CN101093251A - Real time online method and device for monitoring and measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage - Google Patents

Real time online method and device for monitoring and measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage Download PDF

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Publication number
CN101093251A
CN101093251A CN 200710130161 CN200710130161A CN101093251A CN 101093251 A CN101093251 A CN 101093251A CN 200710130161 CN200710130161 CN 200710130161 CN 200710130161 A CN200710130161 A CN 200710130161A CN 101093251 A CN101093251 A CN 101093251A
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electric energy
circuit
energy metrical
metrical information
error
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曹锐
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Youteaoke Electronics TECH Co Ltd Taiyuan City
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Youteaoke Electronics TECH Co Ltd Taiyuan City
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Abstract

A method for on-line detecting electric energy metering error caused by voltage-drop at high voltage mutual secondary loop includes applying electric energy (EE) metering instrument to on-line simultaneously detect voltage of starting up end on said secondary loop and voltage of user EE meter as well as EE amount in real time, utilizing cable transmission mode to collect detected EE metering information to two EE metering instruments, metering difference of two electric energies and using said difference as EE metering error caused by voltage-drop of said secondary loop. The device used for realizing said method is also disclosed.

Description

Measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and device thereof
One. technical field
Measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method disclosed by the invention and device thereof belong to the electric energy metrical technical field of high pressure (more than 10KV), forceful electric power (big electric current), and what be specifically related to is long-term monitoring method and the monitoring device thereof of electric energy metering error real-time online that is caused at high-tension line mesohigh voltage transformer secondary loop pressure drop.
Two. background technology
In electric system was produced, electric energy is its final products, and was very important to the metering of electric energy.Electric power meter is the instrument of necessity that electric energy is measured, is to be used for the effective means for the electricity consumption trade settlement for, electricity consumption both sides.Electric power meter accurately whether, be directly connected to confession, electricity consumption both sides' economic interests.Therefore, the relevant electric energy metrical rules and regulations of country must regularly be carried out field test to the error of electric power meter.
Electric power meter is made up of voltage transformer (VT) (PT), current transformer (CT) and electric energy meter usually.Thereby the error of electric power meter is made up of the error of PT error, CT error, error that the PT secondary voltage drop is caused and electric energy meter.Wherein, PT error, CT error are called electric energy metrical primary circuit error, and the error of the error that the PT secondary voltage drop is caused, electric energy meter is called the electric energy metering secondary error.
Up to the present, the electric energy metering error measuring method that the voltage transformer secondary loop pressure drop is caused is, use PT secondary voltage drop tester, measure the PT secondary voltage drop, the measured value by the PT secondary voltage drop calculates the caused measuring error of PT secondary voltage drop by computing formula then.Owing in the computing formula of the error that the PT secondary voltage drop is caused, contain a parameter that is called average power factor, and a mean value of (some months) in this parametric representation a period of time, and be difficult for estimating its exact value, therefore, method drew is not the electric energy metering error that real voltage transformer secondary loop pressure drop of a certain moment is caused with present, but an estimated value.Thereby the method for testing of studying a kind of electric energy metering error that can real-time online measuring voltage transformer secondary loop pressure drop be caused is demanded urgently and is looked forward to.We study the electric energy metering error method of testing that successful this method provides a kind of brand-new voltage transformer secondary loop pressure drop to be caused, the electric energy metering error online in real time that the voltage transformer secondary loop pressure drop that can't finish of can finishing is over caused is measured, and this method is simple, exactly the electric energy metering error that caused of measuring voltage transformer secondary circuit pressure drop.The proving installation of Development and design success according to the method, solved the difficult problem of the electric energy metering error that the electric energy detection field for a long time can't measuring voltage transformer secondary circuit pressure drop be caused, the electric energy detection that yet is through with field does not have the history that the electric energy metering error proving installation that the voltage transformer secondary loop pressure drop caused is arranged always, and this is innovative thinking and creative invention.We have applied for that (application number is Chinese patent " electric energy metering secondary coop composition error detection method and pick-up unit ": 200610048384.X) this new detection method and pick-up unit, " electric energy metering secondary coop composition error pick-up unit " (application number is: 200620127817.6), the technical characterstic of " measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and device thereof " of the present invention is: it makes above-mentioned this new detection method be extended to high pressure (more than 10KV) electric energy metrical technical field, high pressure, the electric energy metrical of forceful electric power can propose comprehensively the electric energy metrical technology undoubtedly, more stern challenge needs the electric energy metrical versatility to rise to high pressure, the level that forceful electric power standard and safety etc. require." measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and device thereof " of the present invention be real-time online (for a long time), the direct accurate electric energy metering error that the high voltage potential transformer secondary circuit voltage drop is caused of measuring all the time; can protect economic interests better, also make new contribution for the scientific-technical progress of electric utility for the electricity consumption both sides.
Three. summary of the invention
The objective of the invention is: disclose the electric energy metering error realtime on-line monitoring method that this high voltage potential transformer secondary circuit voltage drop caused and the technology of device thereof to society, for accurate means that the electric energy metering error that a kind of brand-new detection high voltage potential transformer secondary circuit voltage drop caused is provided for electricity consumption both sides and proving installation conveniently, also do some work for the scientific-technical progress of electric utility.
The content of technical scheme of the present invention comprises two parts: the technology contents of the electric energy metering error realtime on-line monitoring method that first high voltage potential transformer secondary circuit voltage drop is caused, it two is technology contents of the electric energy metering error real time on-line monitoring device that caused of high voltage potential transformer secondary circuit voltage drop.
Described in " background technology ", generally include two parts: the error that this secondary circuit voltage drop of the first causes about electric energy metering secondary coop composition error; It two is errors that electric energy meter metering causes.What technical scheme of the present invention related to is the electric energy metering error that secondary circuit voltage drop causes.About this measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, it is the method that real-time online, true and accurate are measured the electric energy metering error that the high voltage potential transformer secondary circuit voltage drop caused for a long time, the technical characterstic of this method is: the monitoring that the first is implemented under high pressure, forceful electric power situation, it two is monitorings that real-time online is implemented under high pressure, forceful electric power situation for a long time.The monitoring method of described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage is: with the online in real time metering simultaneously of electric energy gauging instrument or detect the section start end of tested high voltage potential transformer secondary circuit and the voltage of user's electric energy meter and the electric flux of same time period of current input terminal place (in the voltage and the detection of current input terminal place of user's electric energy meter, mean the electric energy metering error that metering user electric energy meter is not caused), with the mode of sampling and wire transmission or wireless transmission/reception the electric energy metrical information aggregating of the metering of two places or same time period of detecting to the electric energy metrical instrument at arbitrary place at two places or two places, measuring the poor of two electric energy, promptly is the electric energy metering error that the high voltage potential transformer secondary circuit voltage drop is caused; Wherein, the method for the current sample of the section start end of metering high voltage potential transformer secondary circuit is: arbitrary place its electric current of sampling before user's electric energy meter of the high-tension current inductor secondary circuit of this same high-tension circuit.
According to above-described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, technical characterstic has: the monitoring method of described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage is chosen as: with the online in real time metering simultaneously or detect the section start end of tested high voltage potential transformer secondary circuit and the voltage and the electric flux of same time period of current input terminal place of user's electric energy meter respectively of electric energy gauging instrument and its detection accessory (as the extension set of electric energy metrical instrument), this electric energy metrical instrument is real-time by its detection accessory, error free or error can ignore with the mode of wire transmission or wireless transmission/reception sampling or the electric energy metrical information aggregating that detects to this electric energy metrical instrument, the electric energy metering error that is caused with metering high voltage potential transformer secondary circuit voltage drop.
According to above-described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, technical characterstic also has: described real-time, error free or error can have to the method on its electric energy metrical instrument with the mode handle sampling of wire transmission or wireless transmission/reception or the electric energy metrical information aggregating that detects with ignoring: a. is described in real time, error free or error can ignore with wire transmission mode to the method on its electric energy metrical instrument be sampling or the electric energy metrical information aggregating that detects: the detection accessory of this electric energy metrical instrument of use and cable thereof have fixing known detection error amount and with its deduction, in metering, become error free or error little of can ignoring, this just require its detection accessory be fix and fixing known detection error amount arranged.Perhaps, b. described real-time, error free or error can ignore in the mode of wire transmission or wireless transmission/reception to the method on its electric energy metrical instrument be sampling or the electric energy metrical information aggregating that detects: make this electric energy metrical instrument detection accessory sampling or the electric energy metrical information that detects through error free after the digitized processing or error can ignore be pooled on this electric energy metrical instrument advantage and benefit that digitizing that Here it is is transmitted with the method for wire transmission or wireless transmission/receptions.
According to above-described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, technical characterstic also has: the selection scheme of the electric energy metrical instrument that electric energy metering error adopted that described monitoring high voltage potential transformer secondary circuit voltage drop is caused is: adopt this high voltage potential transformer secondary circuit realtime on-line monitoring method design, produce measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device, this device main body partly includes the mechanism and the structure of electric energy metrical or detection, mechanism and structure about electric energy metrical or detection, there is all available existing public technology contents of which mechanism and structure to solve and design, electric power meter in-situs tester that is ZL200420016518.6 as the patent No. etc. be exactly the first-selection of the total errors of electric energy countings pick-up unit that caused of this high voltage potential transformer secondary circuit voltage drop with reference to model, needn't state more.Be characterized in: described this device must have at least one or more than one (as two or three etc.) can be real-time, error free or error can detect the detection accessory of electric energy metrical information with ignoring, described detection accessory be the test side or/and extension set: this device of a. is or/and have the test side and the cable thereof of at least one detection electric energy metrical information.Or/and, b. this device is or/and have at least one wire transmission or/and the mechanism of the electric energy metrical information that wireless transmission detected, this mechanism forms by electronic mechanism, this mechanism is and this device main body part having that cable wire connects or get in touch by wireless transmission/reception by transmission, these mechanisms are arranged on the branch body portion outside this apparatus main body part, constitute the extension set of this device, this extension set is made up of housing and interior electronic mechanism thereof.Described electronic mechanism is made of assemblings such as multiple electronic component, device, assembly, parts, integrated circuit block, electronic circuit and software programs in this way.
According to above-described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, the detailed technology characteristics have: described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device: described this device of a. is or/and at least one of band detects the structure of the test side of electric energy metrical information is: detect the cable that input end connects and the electric energy metrical sample detecting end of end thereof with this device, the union end of the direct in this way and voltage three-phase secondary cable of its sample detecting end.B. described this device is or/and the split of the electric energy metrical information that at least one wire transmission of band detects or branch machine mechanism, the detailed structure of the electric energy metrical information institution that wire transmission detects between its extension set and this device is: the sample circuit of electric energy metrical information, and----the input circuit function connects composition to the mould/number conversion circuit of controller control for transmission circuit and transmission yarn--interface circuit and connector--, the sample unit of its sample circuit can be arranged on the section start end of tested secondary circuit, it is the voltage measurement intelligence sample position at PT place, its sample unit in this way directly and the union end of voltage three-phase secondary cable, to the moving connector of interface circuit, constitute the wire transmission extension set of this device, mechanism's union end is gone in the output that its moving connector is this wire transmission extension set, and it decides the input circuit that connector constitutes this device electric energy metrical information.C. described this device is or/and the split of the electric energy metrical information that at least one wireless transmission of band detects or branch machine mechanism, the detailed structure of the electric energy metrical information institution that the wireless transmission between its extension set and this device/reception detects is: the sample circuit of electric energy metrical information, mould/number conversion the circuit of controller control, transtation mission circuit and transmitting antenna function thereof connect the extension set of the electric energy metrical information of forming the wireless transmission detection, the sample unit of its sample circuit can be arranged on the section start end of tested secondary circuit, be the voltage measurement intelligence sample position at PT place, its sample unit in this way directly and the union end of voltage three-phase secondary cable; This device also must corresponding be provided with the mechanism of the electric energy metrical information of wireless receiving detection, the mechanism of the electric energy metrical information that described wireless receiving detects is arranged on this apparatus main body part, connected and formed by the receiving circuit of electric energy metrical information and receiving antenna thereof, amplifying circuit, input circuit function, its input circuit promptly is the input circuit of the electric energy metrical information of this device.The extension set of not getting rid of extension set that this device has the test side of detecting electric energy metrical information, electric energy metrical information that wire transmission detects simultaneously, electric energy metrical information that wireless transmission detects is the structure of several (as three kinds each) altogether.
According to above-described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, the detailed technology characteristics also have: described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device: 1). and described this device is or/and at least one of band detects the detailed structure of the test side of electric energy metrical information is: the detection cable and the sample detecting end of this test side have fixing structure, if any fixing build-out and test side of fixing and fixing electrical structure parameter etc., like this detection error that when detecting electric energy metrical information, causes of this test side be fix with known, can be with its deduction in detection, in metering, become error free or error little of ignoring.2). described this device is or/and the electric energy metrical information extension set that at least one wire transmission of band detects, and the detailed structure of the electric energy metrical information institution that wire transmission detects between its extension set and this device is: mould/number conversion circuit, photoelectric isolating circuit, differential output circuit, transmission circuit, difference input circuit, photoelectric isolating circuit, input circuit that the structure of the electric energy metrical information institution of the described wire transmission detection of a. is controlled by sample circuit, controller connect one by one and form.Perhaps, the structure of the electric energy metrical information institution of the described wire transmission detection of b. is connected one by one and is formed by mould/number conversion circuit, electrical-optical conversion interface circuit, Transmission Fibers, opto-electronic conversion interface circuit, amplifying circuit, the input circuit of sample circuit, controller control.2 described structures of above a, b all have digitized processing mechanism, and error free then or error little of installing the electric energy metrical information aggregating that detects to this with wire transmission with ignoring.Perhaps, the structure of the electric energy metrical information institution of the described wire transmission detection of c. is connected one by one and is formed by digital sample circuit, digital amplifying circuit, transmission circuit, interface circuit, digital input circuit.Perhaps,--wire transmission cable--digital input end constitutes the structure of the electric energy metrical information institution of the described wire transmission detection of d. by digital output end.2 described digital transmission structures of above c, d directly error free or error little of being pooled to the electric energy metrical information that detects on this device with wire transmission with ignoring.3). described this device is or/and the extension set of the electric energy metrical information that at least one wireless transmission of band detects, and the detailed structure of the electric energy metrical information institution of wireless transmission/receptions detection is between its extension set and this device: mould/number conversion circuit, digital signal processing module, wireless data sending communication module and transmitting antenna function thereof that the structure of the electric energy metrical information extension set of the described wireless transmission detection of a. is controlled by sample circuit, controller connect to be formed; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by wireless data sending communication module and receiving antenna thereof, digital signal processing module, input circuit function.Perhaps, the structure of the electric energy metrical information extension set of the described wireless transmission detection of b. is made up of mould/number conversion circuit, digital modulation circuit, frequency conversion transtation mission circuit and the connection of transmitting antenna function thereof of sample circuit, controller control.This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by reception and frequency changer circuit and receiving antenna thereof, digital demodulating circuit, input circuit function.2 described structures of above a, b all have digitized processing mechanism, and error free then or error little of installing the electric energy metrical information aggregating that detects to this with wireless transmission with ignoring.Perhaps, the structure of the electric energy metrical information extension set of the described wireless transmission detection of c. is made up of digital sample circuit, digital amplifying circuit and the connection of transmitting antenna function thereof; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by digital received amplifying circuit and receiving antenna thereof, digital input circuit function.The described digitizing structure of c point directly error free or error little of being pooled to the electric energy metrical information that detects on this device with wireless transmission/receive mode with ignoring.
About this measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device, this device main body partly includes the mechanism and the structure of electric energy metrical or detection, mechanism and structure about electric energy metrical or detection, there is all available existing public technology contents of which mechanism and structure to solve and design, electric power meter in-situs tester that is ZL200420016518.6 as the patent No. etc. be exactly the first-selection of this measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device with reference to model, needn't state more.This apparatus features is: the monitoring that the first is implemented under high pressure (more than 10KV), forceful electric power situation, it two is monitorings that real-time online is implemented under high pressure, forceful electric power situation for a long time.Described this device must have at least one or more than one (as two or three etc.) can be real-time, error free or error can detect the detection accessory of electric energy metrical information with ignoring, described detection accessory be the test side or/and extension set: this device of a. is or/and have the test side and the cable thereof of at least one detection electric energy metrical information.In metering, become error free or error little of can ignoring, this just requires test side and cable thereof that fixing structure and fixing known detection error amount must be arranged and with its deduction, become error free or error little of ignoring.Or/and, b. this device is or/and have at least one wire transmission or/and the mechanism of the electric energy metrical information that wireless transmission detected, this mechanism forms by electronic mechanism, this mechanism is and this device main body part having that cable wire connects or get in touch by wireless transmission/reception by transmission, these mechanisms are arranged on the branch body portion outside this apparatus main body part, constitute the extension set of this device, this extension set is made up of housing and interior electronic mechanism thereof.Described electronic mechanism is made of assemblings such as multiple electronic component, device, assembly, parts, integrated circuit block, electronic circuit and software programs in this way.Described real-time, error free or error can ignore ground wire transmission or wireless transmission is meant: the wire transmission of this device or wireless transmission extension set sampling or the electric energy metrical information that detects through error free after the digitized processing or error little of being pooled on this device with ignoring.
According to above-described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device, technical characterstic also has: described this device of a. is or/and at least one of band detects the structure of the test side of electric energy metrical information is: the cable that connects with this device detection input end and the electric energy metrical sample detecting end of end thereof, its sample detecting end in this way directly and the union end of voltage three-phase secondary cable, it is higher to carry out sampling precision like this.B. described this device is or/and the split of the electric energy metrical information that at least one wire transmission of band detects or branch machine mechanism, the detailed structure of the electric energy metrical information institution that wire transmission detects between its extension set and this device is: the sample circuit of electric energy metrical information, and----the input circuit function connects composition to the mould/number conversion circuit of controller control for transmission circuit and transmission yarn--interface circuit and connector--, the sample unit of its sample circuit can be arranged on the section start end of tested secondary circuit, be the voltage measurement intelligence sample position at PT place, its sample unit in this way directly and the union end of voltage three-phase secondary cable.To the moving connector of interface circuit, constitute the wire transmission extension set of this device, mechanism's union end is gone in the output that its moving connector is this wire transmission extension set, and it decides the input circuit that connector constitutes this device electric energy metrical information.C. described this device is or/and the split of the electric energy metrical information that at least one wireless transmission of band detects or divide machine mechanism, and its extension set with the detailed structure of the electric energy metrical information institution that wireless transmission/receptions between this device detects is: mould/number conversion circuit, transtation mission circuit and the transmitting antenna function thereof that the sample circuit of electric energy metrical information, controller are controlled connects the extension set of the electric energy metrical information of composition wireless transmission detection.The sample unit of sample circuit can be arranged on the section start end of tested secondary circuit, i.e. the voltage measurement intelligence sample position at PT place, and its sample unit is in this way directly and the union end of voltage three-phase secondary cable.Device also must corresponding be provided with the mechanism of the electric energy metrical information of wireless receiving detection, the mechanism of the electric energy metrical information that described wireless receiving detects is arranged on this apparatus main body part, connected and formed by the receiving circuit of electric energy metrical information and receiving antenna thereof, amplifying circuit, input circuit function, its input circuit promptly is the input circuit of the electric energy metrical information of this device.The extension set of not getting rid of extension set that this device has the test side of detecting electric energy metrical information, electric energy metrical information that wire transmission detects simultaneously, electric energy metrical information that wireless transmission detects is the structure of several (as three kinds each) altogether.
According to above-described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device, technical characterstic also has: 1). and described this device is or/and at least one of band detects the detailed structure of the test side of electric energy metrical information is: the detection cable and the sample detecting end of this test side have fixing structure, if any fixing build-out and test side of fixing and fixing electrical structure parameter etc., like this detection error that when detecting electric energy metrical information, causes of this test side be fix with known, can be with its deduction in detection, in metering, become error free or error little of ignoring.2). described this device is or/and the electric energy metrical information extension set that at least one wire transmission of band detects, and the detailed structure of the electric energy metrical information institution that wire transmission detects between its extension set and this device is: mould/number conversion circuit, photoelectric isolating circuit, differential output circuit, transmission circuit, difference input circuit, photoelectric isolating circuit, input circuit that the structure of the electric energy metrical information institution of the described wire transmission detection of a. is controlled by sample circuit, controller connect one by one and form.Perhaps, the structure of the electric energy metrical information institution of the described wire transmission detection of b. is connected one by one and is formed by mould/number conversion circuit, electrical-optical conversion interface circuit, Transmission Fibers, opto-electronic conversion interface circuit, amplifying circuit, the input circuit of sample circuit, controller control.2 described structures of above a, b all have digitized processing mechanism, and error free then or error little of installing the electric energy metrical information aggregating that detects to this with wire transmission with ignoring.Perhaps, the structure of the electric energy metrical information institution of the described wire transmission detection of c. is connected one by one and is formed by digital sample circuit, digital amplifying circuit, transmission circuit, interface circuit, digital input circuit.Perhaps,--wire transmission cable--digital input end constitutes the structure of the electric energy metrical information institution of the described wire transmission detection of d. by digital output end.2 described digital transmission structures of above c, d directly error free or error little of being pooled to the electric energy metrical information that detects on this device with wire transmission with ignoring.The electronic circuit spare design that each circuit described in above a, b, c, the d all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.3). described this device is or/and the extension set of the electric energy metrical information that at least one wireless transmission of band detects, and the detailed structure of the electric energy metrical information institution of wireless transmission/receptions detection is between its extension set and this device: mould/number conversion circuit, digital signal processing module, wireless data sending communication module and transmitting antenna function thereof that the structure of the electric energy metrical information extension set of the described wireless transmission detection of a. is controlled by sample circuit, controller connect to be formed; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by wireless data sending communication module and receiving antenna thereof, digital signal processing module, input circuit function.Perhaps, the structure of the electric energy metrical information extension set of the described wireless transmission detection of b. is made up of mould/number conversion circuit, digital modulation circuit, frequency conversion transtation mission circuit and the connection of transmitting antenna function thereof of sample circuit, controller control; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by reception and frequency changer circuit and receiving antenna thereof, digital demodulating circuit, input circuit function.2 described structures of above a, b all have digitized processing mechanism, and error free then or error little of installing the electric energy metrical information aggregating that detects to this with wireless transmission with ignoring.Perhaps, the structure of the electric energy metrical information extension set of the described wireless transmission detection of c. is made up of digital sample circuit, digital amplifying circuit and the connection of transmitting antenna function thereof; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by digital received amplifying circuit and receiving antenna thereof, digital input circuit function.The described digitizing structure of c point directly error free or error little of being pooled to the electric energy metrical information that detects on this device with wireless transmission/receive mode with ignoring.The electronic circuit spare design that each circuit described in above a, b, the c all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.
The advantage of measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method of the present invention and monitoring device is a lot: one, the characteristics of this measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method are: 1. this method is at high pressure (more than 10KV), the monitoring of implementing under forceful electric power (big electric current) situation, it makes this new detection method be extended to the high-voltage electric energy measurement technical field, high pressure, the electric energy metrical of forceful electric power proposes comprehensively the electric energy metrical technology beyond doubt, more stern challenge needs the electric energy metrical versatility to rise to high pressure, the level that forceful electric power standard and safety etc. require; 2. this method is the monitoring that real-time online is implemented under high pressure, forceful electric power situation for a long time, the monitoring method under high pressure, forceful electric power situation, implemented of real-time online chronically, can be described as electric energy metrical technology the highest requirement and level, also is the most difficult requirement and level of electric energy metrical technology; 3. this real-time online long term monitoring methods of implementing under high pressure, forceful electric power situation is autonomous innovation and the technology leap of electric energy metrical technology in high pressure (more than 10KV), forceful electric power situation, and it has made contribution for the electric energy metrical level and the raising of China.They are two years old, this measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device, it is except that having above-mentioned advantage equally, also, also contribute for the scientific-technical progress of electric utility for the accurate means and the convenient and swift proving installation that can use for a long time again of the electric energy metering error that a kind of brand-new detection high voltage potential transformer secondary circuit voltage drop caused are provided for the electricity consumption both sides.Be worth promoting the use of in electric system and electric industry detection range.
Four. description of drawings
Figure of description of the present invention has 7 width of cloth:
Fig. 1 is the electric energy metering error realtime on-line monitoring method synoptic diagram of high voltage potential transformer secondary circuit voltage drop (cause);
Fig. 2 is the wire transmission mechanism of the error free test side of employing and the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device synoptic diagram of structure;
Fig. 3 is for adopting the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device synoptic diagram of free from error wire transmission extension set and structure;
Fig. 4 is a kind of error free wire transmission electric energy metrical information extension set of Fig. 3 measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device and structure principle chart;
Fig. 5 is for adopting the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device synoptic diagram of free from error wireless transmission/reception extension set and structure;
Fig. 6 is a kind of error free wireless transmission/reception electric energy metrical information extension set and the structure principle chart of Fig. 5 measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device;
Fig. 7 is the another kind of error free wireless transmission/reception electric energy metrical information extension set and the structure principle chart of Fig. 5 measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device;
Adopted unified label in each figure, promptly same object is used same label in each figure.In each figure: 1. voltage transformer (VT) (PT); 2. current transformer (CT); 3. voltage three-phase secondary line input end; 4. electric current three-phase secondary line input end; 5. electric current three-phase secondary cable; 6. voltage three-phase secondary cable; 7. voltage three-phase secondary line section start (end) sampling end; 8. voltage three-phase secondary line user electric energy meter place (input end) sampling end; 9. electric current three-phase secondary line user electric energy meter place (input end) sampling end; 10. user's electric energy meter; 11. electric energy metrical instrument (or measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device); 12. the detection accessory of sampling and wire transmission or wireless transmission information of voltage (test side 12 ' or/and extension set); 13. signal wire transmission secondary circuit voltage drop electric energy metering error information; 14. signal wireless transmission secondary circuit voltage drop electric energy metering error information; 15. the outdoor on-the-spot and user pulpit boundary of signal; 16. the secondary circuit voltage drop electric energy metering error information of signal sampling; 17. controller, microprocessor or single-chip microcomputer etc. in this way; 18. mould/number conversion circuit; 19. photoelectric isolating circuit (going out); 20. difference amplification output circuit; 21. difference is amplified input circuit; 22. photoelectric isolating circuit (going into); 23. digital signal processing module (a); 24. interface circuit (a); 25. wireless data sending communication module (a); 26. wireless data sending communication module (b); 27. interface circuit (b); 28. digital signal processing module (b); 29. digital modulation circuit; 30. frequency changer circuit; 31. amplification transtation mission circuit; 32. receive and frequency changer circuit; 33. digital demodulating circuit.
Five. specific embodiments
Non-limiting examples of the present invention is as follows:
Embodiment one. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
The content of this embodiment comprises two parts, and the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method
Generally include two parts about electric energy metering secondary coop composition error: the error that this secondary circuit voltage drop of the first causes; It two is errors that electric energy meter metering causes.The electric energy metering error realtime on-line monitoring method that this routine high voltage potential transformer secondary circuit voltage drop is caused only relates to the error that this secondary circuit voltage drop causes.About this measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, it is the method for the electric energy metering error that caused of real-time online, true and accurate, long term monitoring high voltage potential transformer secondary circuit voltage drop, the technical characterstic of this method is: the monitoring that the first is implemented under high pressure, forceful electric power situation, it two is monitorings that real-time online is implemented under high pressure, forceful electric power situation for a long time.The monitoring method of described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage, concrete condition is shown in Figure of description 1.As shown in Figure 1: with electric energy gauging instrument 11 and 12 online in real time metering simultaneously or detect the section start end 7 of tested high voltage potential transformer 1 secondary circuit and the voltage of user's electric energy meter 10 and current input terminal 8 and the electric flux of same time period of 9 places (in the voltage and the detection of current input terminal place of user's electric energy meter, mean the electric energy metering error that metering user electric energy meter is not caused), with the mode of sampling and wire transmission or wireless transmission/reception the electric energy metrical information aggregating (on instrument 11) to the electric energy metrical instrument 11 and 12 at arbitrary place at two places or two places of the metering of two places or same time period of detecting, measuring the poor of two electric energy, promptly is the electric energy metering error that the high voltage potential transformer secondary circuit voltage drop is caused.Wherein, the method for the current sample of the section start end of metering high voltage potential transformer secondary circuit is: arbitrary place its electric current of sampling before user's electric energy meter of high-tension current inductor 2 secondary circuits of this same high-tension circuit.If electric energy metrical instrument 12 is extension sets of electric energy metrical instrument 11, that is exactly a kind of system of selection of the monitoring method of measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage: available electrical energy gauging instrument 11 and its detection accessory 12 (are the extension set of electric energy metrical instrument 11, in this way test side 12 ' or extension set 12) online in real time metering simultaneously or detect the section start end of tested high voltage potential transformer secondary circuit and the voltage and the electric flux of same time period of current input terminal place of user's electric energy meter respectively, this electric energy metrical instrument 11 is real-time by its detection accessory 12, error free or error can ignore with the mode of wire transmission or wireless transmission/reception sampling or the electric energy metrical information aggregating that detects to this electric energy metrical instrument 11, the electric energy metering error that is caused with metering high voltage potential transformer secondary circuit voltage drop.The electric energy metrical instrument that described electric energy metrical instrument 11 is public in this way, or measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device of the present invention, require its precision height just can use the accuracy height of the high metering of its precision a bit.Described real-time, error free or error can ignore with wire transmission or/and the mode of wireless transmission/reception sampling or the electric energy metrical information aggregating that detects are had to the method on its electric energy metrical instrument 11: what a. used is test side 12 ' and the cable of this electric energy metrical instrument 11, it has fixing known detection error amount and with its deduction, become error free in metering or error can be ignored, this just requires its test side 12 ' fixing electrical structure must be arranged and fixing known detection error amount is arranged.Perhaps, b. the electric energy metrical information that makes detection accessory 12 samplings of this electric energy metrical instrument 11 or detect is earlier after digitized processing, error free or error can ignore be pooled on this electric energy metrical instrument 11 digitizing that Here it is transmission or the benefit that sends with the method for wire transmission or wireless transmission/reception.About sampling and metering or detect two tested places in the same time period method of magnitude of voltage and current value belong to known technology, three-phase secondary cable connection as direct and voltage, electric current is sampled, sampling precision is higher, perhaps current sample also can adopt split core type current transformer etc. to carry out, no longer stating more.In Fig. 1, illustrate: 13 signal wire transmission electric energy metrical information, 14 signal wireless transmission electric energy metrical information, outdoor scene of 15 signals and the boundary of user pulpit.
(2). the concrete structure of the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device that measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device should example is united with Fig. 4, Fig. 5 and Fig. 6 by Fig. 2, Fig. 3 and is illustrated.This routine device main body part (11 among each figure) includes the mechanism and the structure of high-voltage electric energy measurement or detection, includes as it: Instrument shell, panel with and the interior electric energy metrical or the electronic circuit of detection etc.Which all available existing public technology contents mechanism and structure about high-voltage electric energy measurement or detection have solve and design, electric power meter in-situs tester that is ZL200420016518.6 as the patent No. etc. be exactly the first-selection of this measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device with reference to model, needn't state more.This apparatus features is: the monitoring that the first is implemented under high pressure (more than 10KV), forceful electric power situation, it two is monitorings that real-time online is implemented under high pressure, forceful electric power situation for a long time.Described this device 11 must have at least one or more than one (as two or three etc.) can be real-time, error free or error can detect the detection accessory 12 of electric energy metrical information with ignoring, described detection accessory is that test side 12 is ' or/and this device of extension set 12:a. is or/and have test side 12 ' and the cable of at least one detection electric energy metrical information.In metering, become error free or error little of can ignoring, this just require test side 12 ' and cable must have fixing structure and fixing known detection error amount and with its deduction, become error free or error little of ignoring.B. device 11 that should example has the mechanism 12 that at least one real-time, error free or error can be ignored the ground electric energy metrical information that wire transmission detected.C. device 11 that should example has the mechanism 12 that at least one real-time, error free or error can be ignored the ground electric energy metrical information that wireless transmission detected.Mechanism among above b, the c forms by electronic mechanism, this mechanism is and this device main body part having that cable wire connects or get in touch by wireless transmission/reception by transmission, these mechanisms are arranged on the branch body portion outside this apparatus main body part, constitute the extension set 12 of this device, this extension set is made up of housing and interior electronic mechanism thereof.Described electronic mechanism is made of assemblings such as multiple electronic component, device, assembly, parts, integrated circuit block, electronic circuit and software programs in this way.Described real-time, error free or error can ignore ground wire transmission or wireless transmission is meant: the wire transmission of this device or wireless transmission extension set 12 sampling or the electric energy metrical information that detect through error free after the digitized processing or error little of being pooled on this device 11 with ignoring.Also to point out: the device 11 of this example be have simultaneously the test side 12 of detecting electric energy metrical information ', the structure of the extension set 12 each (totally three) of the extension set 12 of the electric energy metrical information that detects of wire transmission, electric energy metrical information that wireless transmission detects.As shown in Figure 2: the device 11 of this example or/and at least one of band detect electric energy metrical information test side 12 ' structure be: detect the cable that input ends connect and the sample detecting end of end thereof with this example device 11, its sample detecting end in this way directly and the union end of voltage, electric current three-phase secondary cable, it is higher to carry out sampling precision like this.Detection cable and sample detecting end that the device 11 of this example has at least one test side 12 of detecting electric energy metrical information ' detailed structure be: this test side 12 ' have fixing structure, if any fixing build-out and detection termination of fixing and electric parameter structure etc., like this this test side 12 ' the detection error that when detecting electric energy metrical information, causes be fix with known, can be with its deduction in detection, in metering, become error free or error little of ignoring.As shown in Fig. 3, Fig. 4: the device 11 of this example has the split of the electric energy metrical information that at least one wire transmission detects or divides machine mechanism 12, and the structure of the electric energy metrical information institution that 11 wire transmission of its extension set 12 and this example device detect is: the sample circuit of electric energy metrical information--controller 17 control mould/the input circuit function connects composition for number conversion circuit 18--transmission circuit and transmission yarn--interface circuit and connector--.The sample unit of its sample circuit can be arranged on the section start end (7 sampling end) of tested secondary circuit, it is the secondary electric energy metrical intelligence sample position at PT place, its sample unit in this way directly and the union end of voltage, electric current three-phase secondary cable, the 16 signals electric energy metrical information of sampling among the figure.To the moving connector of interface circuit, constitute the wire transmission extension set 12 of this example device 11, mechanism's union end is gone in the output that its moving connector is this wire transmission extension set 12, and it decides the electric energy metrical input circuit that connector constitutes this example device 11.The detailed structure that the device 11 of this example has the electric energy metrical information extension set 12 of at least one wire transmission detection has: the structure of the electric energy metrical information institution that this routine wire transmission detects is connected one by one and is formed by mould/number conversion circuit 18, photoelectric isolating circuit (going out) 19, differential output circuit 20, transmission circuit, difference input circuit 21, photoelectric isolating circuit (going into) 22, the input circuit of sample circuit, controller 17 controls.The electric energy metrical information institution that this example wire transmission detects all has the mould/number conversion circuit 18 of digitized processing mechanism controls device 17 controls, error free then or error little to can be with ignoring with wire transmission the electric energy metrical information aggregating that detects to this example device 11.The electronic circuit spare design that each circuit of the electric energy metrical information institution that this example wire transmission detects all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.As Fig. 5, shown in Fig. 6: the device 11 of this example has the split or the branch machine mechanism 12 of the electric energy metrical information of at least one wireless transmission detection, the structure of the electric energy metrical information institution that the wireless transmission that its extension set 12 and this example device are 11/reception detects is: the sample circuit of electric energy metrical information, mould/number conversion the circuit 18 of controller 17 controls, transtation mission circuit and transmitting antenna function thereof connect the extension set of the electric energy metrical information of forming the wireless transmission detection, the sample unit of its sample circuit can be arranged on the section start end of tested secondary circuit, it is the voltage measurement at PT place, the electric current metering intelligence sample position at CT place, the direct in this way and voltage of its sample unit, the union end of electric current three-phase secondary cable, 16 meaning sampling electric energy metrical information among the figure; This example device 11 also must corresponding be provided with the mechanism of the electric energy metrical information of wireless receiving detection, the mechanism of the electric energy metrical information that this routine wireless receiving detects is arranged on these example device 11 main parts, connected and formed by the receiving circuit of electric energy metrical information and receiving antenna thereof, amplifying circuit, input circuit function, its input circuit promptly is the input circuit of the electric energy metrical information of this device.The detailed structure that the device 11 of this example has the extension set 12 of the electric energy metrical information that at least one wireless transmission detects is: the structure of the electric energy metrical information extension set that this routine wireless transmission detects is connected by mould/number conversion circuit 18, digital signal processing module (a) 23, interface circuit (a) 24, wireless data sending communication module (a) 25 and the transmitting antenna function thereof of sample circuit, controller 17 controls and forms; The structure that this corresponding example device 11 must have the mechanism of the electric energy metrical information that wireless receiving detects is: connected and formed by wireless data sending communication module (b) 26 and receiving antenna thereof, interface circuit (b) 27, digital signal processing module (b) 28, input circuit function.The structure of the electric energy metrical information institution of this example wireless transmission detection all has the mould/number conversion circuit 18 of digitized processing mechanism controls device 17 controls, and error free then or error little of installing the electric energy metrical information aggregating that detects on 11 to this with wireless transmission with ignoring.The electronic circuit spare design that each circuit of the electric energy metrical information institution that this example wireless transmission detects all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.The detection accessory of this device 11 has: test side 12 ', the extension set 12 of the extension set 12 of the electric energy metrical information that detects of wire transmission, electric energy metrical information that wireless transmission detects.
The operating process of the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring of the device 11 of this example is as follows: by the electric energy information (8 of metering of measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device or detection user electric energy meter input end, 9 sampling ends), placing the detection accessory of this example device 11 of section start end 7 sampling ends of high voltage potential transformer 1 secondary circuit (is the extension set 12 of electric energy metrical instrument 11, or the information of voltage of the PT section start end (7 sampling end) of the secondary circuit of section is at one time measured or detected in test side 12 ') simultaneously, and it is real-time by its detection accessory 12, error free or error can ignore with the mode of wire transmission or wireless transmission/reception sampling or the electric energy metrical information aggregating that detects to this example device 11, differences of this example device 11 and its extension set 12 common metering electric energy promptly are the composition errors of this secondary circuit electric energy metrical.The course of work is intact.
Embodiment two. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
The content of this embodiment comprises two parts, and the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, concrete condition is shown in Figure of description 1.Measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method as shown in Figure 1 one of them be: electric energy metrical instrument 11 measures or detects this electric energy information (8 from the input end of user's electric energy meter 10,9 sampling ends), wherein information of voltage detects from 8 sampling ends, current information detects from 9 sampling ends, place the detection accessory 12 of this routine electric energy metrical instrument 11 of high voltage potential transformer secondary circuit (root) section start to measure or detect the information of voltage of PT section start end (7 sampling end) of the tested secondary circuit of same time period simultaneously, real-time by its detection accessory 12, error free or error little to can ignore with the mode of wire transmission sampling or the electric energy metrical information aggregating that detects to this electric energy metrical instrument 11, the difference of measuring two place's electric energy promptly is the composition error of this secondary circuit electric energy metrical.The described method characteristics of present embodiment are: the monitoring that the first is implemented under high pressure (more than 10KV), forceful electric power situation; It two is monitorings that real-time online is implemented under high pressure, forceful electric power situation for a long time; Its three, this routine electric energy metrical instrument 11 is to be that the electric power meter in-situs tester of ZL200420016518.6 is a model electric energy metrical instrument 11 that make, that relate to high pressure range with the patent No.; They are four years old, the detection accessory 12 of the electric energy metrical instrument 11 that this is routine is test side 12 ' and cables that one or two real-time, error free or error can detect electric energy metrical information with ignoring, these test sides and cable thereof all have fixing electrical structure parameter and fixing known detection error amount and with its deduction, in metering, become error free or error little of ignoring.What all the other were not stated is same as described in embodiment one .1. entirely, no longer repeats.
(2). measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device
This routine measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device concrete structure is illustrated by Fig. 2.This device main body part (among Fig. 2 11) includes the mechanism and the structure of high-voltage electric energy measurement or detection, has which all available existing public technology contents to solve and design about the mechanism and the structure of high-voltage electric energy measurement or detection, needn't state more.The characteristics of this example device 11 are: the monitoring that the first is implemented under high pressure (more than 10KV), forceful electric power situation, it two is monitorings that real-time online is implemented under high pressure, forceful electric power situation for a long time.The device 11 of this example can have the test side 12 that one or two real-time, error free or error can detect electric energy metrical information with ignoring, and ' and cable, one of them can make spare part.The test side 12 of the detection electric energy metrical information of this example ' structure be: have with this example device 11 and detect the cable that input ends connect and the sample detecting end of end thereof, its sample detecting end in this way directly and the union end of voltage three-phase secondary cable, joint Terminal all is a known technology, and it is higher to carry out sampling precision like this.The detection cable and the sample detecting end of this routine test side 12 ' detailed structure be: this test side 12 ' have fixing structure, if any fixing build-out and fixing detection termination and the electrical structure parameter of fixing etc., like this this test side 12 ' the detection error that when detecting electric energy metrical information, causes be fix with known, can be with its deduction in detection, in metering, become error free or error little of ignoring.What all the other were not stated is same as described in embodiment one .2. entirely, no longer repeats.
Embodiment three. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
Have two parts in this embodiment, the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method
The measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method that this is routine, be the method for the electric energy metering error that caused of real-time online, true and accurate, long term monitoring high voltage potential transformer secondary circuit voltage drop, its concrete condition is shown in Figure of description 1.Measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method as shown in Figure 1 one of them be: electric energy metrical instrument 11 measures or detects this electric energy information (8 from the input end of user's electric energy meter 10,9 sampling ends), wherein information of voltage detects from 8 sampling ends, current information detects from 9 sampling ends, place the detection accessory 12 of this routine electric energy metrical instrument 11 of high voltage potential transformer secondary circuit (root) section start to measure or detect the information of voltage of PT section start end (7 sampling end) of the tested secondary circuit of same time period simultaneously, real-time by its detection accessory 12, error free or error little to can ignore with the mode of wire transmission sampling or the electric energy metrical information aggregating that detects to this electric energy metrical instrument 11, the difference of measuring two place's electric energy promptly is the composition error of this secondary circuit electric energy metrical.The characteristics of this routine device 11 are: one, this routine electric energy metrical instrument 11 promptly is according to measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method of the present invention, the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device that manufactures and designs; They are two years old, the detection accessory 12 of the electric energy metrical instrument 11 that this is routine is extension sets 12 that one or two real-time, error free or error can be ignored the ground electric energy metrical information that wire transmission detected, this extension set 12 connects by the cable wire of transmitting that has with the main part of the device 11 of this example, this routine extension set is formed by electronic mechanism, described electronic mechanism is made of assemblings such as multiple electronic component, device, assembly, parts, integrated circuit block, electronic circuit and software programs in this way; They are three years old, the extension set 12 of the electric energy metrical information that wire transmission detected that this is routine has digitized processing mechanism, and extension set 12 is error free or error is little is pooled on the device 11 of this example to ignoring ground wire transmission after sampling or the electric energy metrical information via digitized processing that detect.All the other are not stated is same as among embodiment one .1. entirely, described in embodiment two .1, no longer repeat.
(2). measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device
This routine measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device concrete structure is illustrated by Fig. 3.This device main body part (among the figure 11) includes the mechanism and the structure of high-voltage electric energy measurement or detection, has which all available existing public technology contents to solve and design about the mechanism and the structure of high-voltage electric energy measurement or detection, needn't state more.The characteristics of this example device 11 are: the device 11 of this example can have the wire transmission extension set 12 that one or two real-time, error free or error can detect electric energy metrical information with ignoring, and the structure of the wire transmission extension set 12 of the detection electric energy metrical information of this example is connected one by one and formed by mould/number conversion circuit 18, electrical-optical conversion interface circuit, Transmission Fibers, opto-electronic conversion interface circuit, amplifying circuit, the input circuit of sample circuit, controller 17 controls.This routine wire transmission extension set 12 all has the mould/number conversion circuit 18 of digitized processing mechanism controls device 17 control, can be error free or error little to can be with ignoring with wire transmission the electric energy metrical information aggregating that detects to this example device 11.The electronic circuit spare design that each circuit of the wire transmission extension set 12 that this is routine all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.All the other are not stated is same as among embodiment one .2 entirely, described in embodiment two .2, no longer repeat.
Embodiment four. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
Have two parts in this embodiment, the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method
The measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method that this is routine, its concrete condition is shown in Figure of description 1.Measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method as shown in Figure 1 one of them be: electric energy metrical instrument 11 measures or detects this electric energy information (8 from the input end of user's electric energy meter 10,9 sampling ends), wherein information of voltage detects from 8 sampling ends, current information detects from 9 sampling ends, place the detection accessory 12 of this routine electric energy metrical instrument 11 of high voltage potential transformer secondary circuit (root) section start to measure or detect the information of voltage of PT section start end (7 sampling end) of the tested secondary circuit of same time period simultaneously, real-time by its detection accessory 12, error free or error little to can ignore with the mode of wireless transmission/reception sampling or the electric energy metrical information aggregating that detects to this electric energy metrical instrument 11, the difference of measuring two place's electric energy promptly is the composition error of this secondary circuit electric energy metrical.The characteristics of this routine device 11 are: one, this routine electric energy metrical instrument 11 promptly are measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring devices of the present invention; They are two years old, the detection accessory 12 of the electric energy metrical instrument 11 that this is routine is extension sets 12 that one or two real-time, error free or error can be ignored the ground electric energy metrical information that wireless transmission detected, this extension set 12 is got in touch by wireless transmission/reception with the main part of the device 11 of this example, this routine extension set is formed by electronic mechanism, described electronic mechanism is made of assemblings such as multiple electronic component, device, assembly, parts, integrated circuit block, electronic circuit and software programs in this way; They are three years old, the extension set 12 of the electric energy metrical information that wireless transmission detected that this is routine has digitized processing mechanism, and extension set 12 is error free or error little of being pooled on the device 11 of this example in the wireless transmission mode with ignoring after sampling or the electric energy metrical information via digitized processing that detect.All the other are not stated is same as among embodiment one .1 entirely～described in embodiment three .1, no longer repeat.
(2). measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device
This routine measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device concrete structure is united by Fig. 5, Fig. 7 and is illustrated.This device main body part (among two figure 11) includes the mechanism and the structure of high-voltage electric energy measurement or detection, mechanism and structure about high-voltage electric energy measurement or detection, there is all available existing public technology contents of which mechanism and structure to solve and design, needn't states more.The characteristics of this example device 11 are: the device 11 of this example can have the wireless transmission extension set 12 that one or two real-time, error free or error can detect electric energy metrical information with ignoring, the detection electric energy metrical information wireless of this example send the structure of extension set 12 by mould/number conversion circuit 18, digital modulation circuit 29, the frequency changer circuit 30 of sample circuit, controller 17 controls, amplify transtation mission circuit 31 and transmitting antenna function thereof and connect and forms; This corresponding example device 11 must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and connect and form by receiving with frequency changer circuit 32 and receiving antenna thereof, digital demodulating circuit 33, input circuit function.This routine wireless transmission extension set 12 all has the mould/number conversion circuit 18 of digitized processing mechanism controls device 17 control, can be error free or error little to can ignore with the wireless transmission mode the electric energy metrical information aggregating that detects to this example device 11.The electronic circuit spare design that each circuit of the wireless transmission extension set 12 that this is routine all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.All the other are not stated is same as among embodiment one .2 entirely～described in embodiment three .2, no longer repeat.
Embodiment five. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
The content of this embodiment is two parts, and the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method,
The measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method that this is routine is that its concrete condition is shown in Figure of description 1.High voltage potential transformer secondary circuit voltage drop as shown in Figure 1 causes electric energy metering error realtime on-line monitoring method characteristics to be: one, this routine electric energy metrical instrument 11 promptly are measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring devices of the present invention; They are two years old, the detection accessory 12 of the electric energy metrical instrument 11 that this is routine has two, one is real-time, error free or error can detect the test side 12 of electric energy metrical information with ignoring ' and cable, one is real-time, error free or error can be ignored the extension set 12 of the ground electric energy metrical information that wire transmission detected.All the other are not stated is same as among embodiment one .1 entirely～described in embodiment four .1, no longer repeat.
(2). measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device
The concrete structure of the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device that this is routine is united by Fig. 2 and Fig. 3 and is illustrated.This device main body part (among two figure 11) has the mechanism and the structure of high-voltage electric energy measurement or detection, the characteristics of this example device 11 are: one, this routine electric energy metrical instrument 11 are to be that the electric power meter in-situs tester of ZL200420016518.6 is a model electric energy metrical instrument 11 that make, that relate to high pressure range with the patent No.; Its two, it is real-time, error free that the device 11 of this example can have 12, one of two detection accessory or the error detection cable and the sample detecting end that can detect the test side 12 ' and cable, this test side 12 ' of electric energy metrical information has fixing structure with ignoring.One be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wire transmission detected.The structure of the electric energy metrical information extension set 12 that this wire transmission detects is connected one by one and is formed by digital sample circuit, digital amplifying circuit, transmission circuit, interface circuit, digital input circuit, and the digital transmission circuit of the electric energy metrical information extension set 12 that this wire transmission detects directly error free or error little of being pooled to the electric energy metrical information that detects on this device 11 with wire transmission with ignoring.All the other are not stated is same as among embodiment one .2 entirely～described in embodiment four .2, no longer repeat.
Embodiment six. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
Have two parts in this embodiment, the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method
The measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method that this is routine, its concrete condition is shown in Figure of description 1.The detection method characteristics of electric energy metering secondary coop composition error as shown in Figure 1 are: one, this routine electric energy metrical instrument 11 are to be that the electric power meter in-situs tester of ZL200420016518.6 is a model electric energy metrical instrument 11 that make, that relate to high pressure range with the patent No.; They are two years old, the detection accessory 12 of the electric energy metrical instrument 11 that this is routine has two, one is real-time, error free or ' and cable, one is real-time, error free or error can be ignored the extension set 12 of the ground electric energy metrical information that wireless transmission detected the test side 12 of the error electric energy metrical information that can detect with ignoring.This corresponding example device 11 also has mechanism and the structure that wireless receiving detects electric energy metrical information.All the other are not stated is same as among embodiment one .1. entirely～described in embodiment five .1., no longer repeat.
(2). measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device
The concrete structure of the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device that this is routine is united by Fig. 2 and Fig. 5 and is illustrated.This device main body part (among two figure 11) includes the mechanism and the structure of high-voltage electric energy measurement or detection, the characteristics of this example device 11 are: it is real-time, error free that the device 11 of this example can have 12: one of two detection accessory or the error detection cable and the sample detecting end that can detect the test side 12 ' and cable, this test side 12 ' of electric energy metrical information has fixing structure with ignoring.One be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wireless transmission detected.The structure of the electric energy metrical information extension set 12 that this wireless transmission detects is connected by digital sample circuit, digital amplifying circuit and transmitting antenna function thereof and forms.This corresponding device 11 also has the mechanism and the structure of the electric energy metrical information of wireless receiving detection: digital received amplifying circuit and receiving antenna thereof, digital input circuit function connect to be formed.They are not shown specifically with figure.The digital circuit structure of the extension set 12 of the electric energy metrical information that this wireless transmission detects directly error free or error little of being pooled to the electric energy metrical information that detects on this device 11 with wireless transmission/receive mode with ignoring.All the other are not stated is same as among embodiment one .2. entirely～described in embodiment five .2., no longer repeat.
Embodiment seven. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
Have two parts in this embodiment, the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method
The measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method that this is routine, its concrete condition is shown in Figure of description 1.The method characteristics are as shown in Figure 1: the detection accessory 12 of the electric energy metrical instrument 11 that this is routine has two: one be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wire transmission detected.One be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wireless transmission detected.This corresponding example device 11 also has the mechanism and the structure of the electric energy metrical information of wireless receiving detection.All the other are not stated is same as among embodiment one .1. entirely～described in embodiment six .1., no longer repeat.
(2). measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device
The concrete structure of the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device that this is routine is united by Fig. 3 and Fig. 5 and is illustrated.The characteristics of this example device 11 are: the device 11 of this example can have 12: one of two detection accessory be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wire transmission detected, the structure of the electric energy metrical information institution that this routine wire transmission detects is by digital output end--wire transmission cable--digital input end constitutes.One be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wireless transmission detected.This corresponding example device 11 also has the mechanism and the structure of the electric energy metrical information of wireless receiving detection.The electric energy metrical information extension set 12 that electric energy metrical information extension set 12 that this routine wire transmission detects and wireless transmission detect all has digital circuit structure, and directly error free or error little of being pooled to the electric energy metrical information that detects on this device with wire transmission, wireless transmission with ignoring.The electronic circuit spare design that each circuit of the electric energy metrical information extension set 12 that electric energy metrical information extension set 12 that this routine wire transmission detects and wireless transmission detect all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.All the other are not stated is same as among embodiment one .2. entirely～described in embodiment six .2., no longer repeat.
Embodiment eight. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method and monitoring device
Have two parts in this embodiment, the first is about the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, and it two is about measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device.
(1). the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method
This its concrete condition of routine method is shown in Figure of description 1.Measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method characteristics as shown in Figure 1 are: the detection accessory 12 of the electric energy metrical instrument 11 that this is routine has three (even a plurality of): one is real-time, error free or error can detect test side 12 ' and the cable of electric energy metrical information with ignoring.One be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wire transmission detected.One be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wireless transmission detected.This corresponding example device 11 also has the mechanism and the structure of the electric energy metrical information of wireless receiving detection.All the other are not stated is same as among embodiment one .1. entirely～described in embodiment seven .1., no longer repeat.
(2). the concrete structure of the measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device that measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device should example is united by Fig. 2～Fig. 7 and is illustrated.The characteristics of this example device 11 are: the device 11 of this example can have three kinds of detection accessory 12: a kind of is real-time, error free or error can detect test side 12 ' and the cable of electric energy metrical information with ignoring, ' there are fixing build-out and fixing detection termination and the electrical structure parameter of fixing etc. in this routine test side 12, the detection error that when detecting electric energy metrical information, causes be fix with known, can be with its deduction in detection, in metering, become error free or error little of ignoring.A kind of be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wire transmission detected.A kind of be real-time, error free or error can ignore the extension set 12 of the ground electric energy metrical information that wireless transmission detected.This corresponding example device 11 also has electric energy metrical information institution and the structure that wireless receiving detects.The electric energy metrical information extension set 12 that electric energy metrical information extension set 12 that this routine wire transmission detects and wireless transmission detect all has digital circuit structure, and directly error free or error little of being pooled to the electric energy metrical information that detects on this device 11 with wire transmission, wireless transmission/receive mode with ignoring.Structure described in above in this way each embodiment of the various structures that the device 11 of this example can have three kinds of detection accessory 12 is described in detail in each embodiment, no longer repeats.The electronic circuit spare design that each circuit of the electric energy metrical information extension set 12 that electric energy metrical information extension set 12 that this routine wire transmission detects and wireless transmission detect all can be sold with existing public technology contents and public merchant and making is as long as they can finish or realize all can using or adopt of each circuit function.All the other are not stated is same as among embodiment one .2. entirely～described in embodiment seven .2., no longer repeat.

Claims (9)

1. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method, it is real-time online, the method of the electric energy metering error that long term monitoring high voltage potential transformer secondary circuit voltage drop is caused, be characterised in that: the monitoring method of described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage is: measure or detect the section start end of tested high voltage potential transformer secondary circuit and the voltage and the electric flux of same time period of current input terminal place of user's electric energy meter with electric energy gauging instrument while online in real time, with the mode of sampling and wire transmission or wireless transmission/reception the electric energy metrical information aggregating of the metering of two places or same time period of detecting to the electric energy metrical instrument at arbitrary place at two places or two places, measuring the poor of two electric energy, promptly is the electric energy metering error that the high voltage potential transformer secondary circuit voltage drop is caused; Wherein, the method for the current sample of the section start end of metering high voltage potential transformer secondary circuit is: its electric current of sampling of the arbitrary place before the high-tension current inductor secondary circuit load of this same high-tension circuit.
2. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method according to claim 1, be characterised in that: the monitoring method of described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage is chosen as: with the online in real time metering simultaneously or detect the section start end of tested high voltage potential transformer secondary circuit and the voltage and the electric flux of same time period of current input terminal place of user's electric energy meter respectively of electric energy gauging instrument and its detection accessory, this electric energy metrical instrument is real-time by its detection accessory, error free or error can ignore with the mode of wire transmission or wireless transmission/reception sampling or the electric energy metrical information aggregating that detects to this electric energy metrical instrument, the electric energy metering error that is caused with metering high voltage potential transformer secondary circuit voltage drop.
3. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method according to claim 1 is characterised in that: described real-time, error free or error can ignore have sampling or the electric energy metrical information aggregating that detects to the method on its electric energy metrical instrument in the mode of wire transmission or wireless transmission/reception:
A. described real-time, error free or error can ignore with wire transmission mode to the method on its electric energy metrical instrument be sampling or the electric energy metrical information aggregating that detects: the detection accessory of this electric energy metrical instrument of use and cable thereof have fixing known detection error amount and with its deduction, become error free in metering; Perhaps,
B. described real-time, error free or error can ignore in the mode of wire transmission or wireless transmission/reception to the method on its electric energy metrical instrument be sampling or the electric energy metrical information aggregating that detects: make this electric energy metrical instrument detection accessory sampling or the electric energy metrical information that detects through error free after the digitized processing or error can ignore be pooled on this electric energy metrical instrument with the method for wire transmission or wireless transmission/reception.
4. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method according to claim 1, be characterised in that: the selection scheme of the electric energy metrical instrument that electric energy metering error adopted that described monitoring high voltage potential transformer secondary circuit voltage drop is caused is: adopt this high voltage potential transformer secondary circuit realtime on-line monitoring method design, produce measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device, this device main body partly includes the mechanism and the structure of electric energy metrical or detection, be characterized in: described this device must comprise or have that at least one is real-time, error free or error can detect the detection accessory of electric energy metrical information with ignoring, described detection accessory be the test side or/and extension set:
A. this device is or/and have test side and the cable thereof that at least one detects electric energy metrical information; Or/and,
B. this device is or/and have at least one wire transmission or/and the mechanism of the electric energy metrical information that wireless transmission detected, this mechanism forms by electronic mechanism, this mechanism is and this device main body part having that cable wire connects or get in touch by wireless transmission/reception by transmission, these mechanisms are arranged on the branch body portion outside this apparatus main body part, constitute the extension set of this device, this extension set is made up of housing and interior electronic mechanism thereof.
5. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method according to claim 4 is characterised in that: described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device:
A. described this device is or/and have at least one structure that detects the test side of electric energy metrical information and be: the cable that connects with this device detection input end and the electric energy metrical sample detecting end of end thereof;
B. described this device is or/and have the split or the branch machine mechanism of the electric energy metrical information of at least one wire transmission detection, the detailed structure of the electric energy metrical information institution that wire transmission detects between its extension set and this device is:--the input circuit function connects composition to the mould/number conversion circuit of the sample circuit of electric energy metrical information-controller control for transmission circuit and transmission yarn--interface circuit and connector--, to the moving connector of interface circuit, constitute the wire transmission extension set of this device, mechanism's union end is gone in the output that its moving connector is this wire transmission extension set, and it decides the input circuit that connector constitutes this device electric energy metrical information;
C. described this device is or/and have the split of the electric energy metrical information that at least one wireless transmission detects or divide machine mechanism, and its extension set with the detailed structure of the electric energy metrical information institution that wireless transmission/receptions between this device detects is: mould/number conversion circuit, transtation mission circuit and the transmitting antenna function thereof that the sample circuit of electric energy metrical information, controller are controlled connects the extension set of the electric energy metrical information of composition wireless transmission detection; This device also must corresponding be provided with the mechanism of the electric energy metrical information of wireless receiving detection, the electric energy metrical information institution that described wireless receiving detects is arranged on this apparatus main body part, connected and formed by the receiving circuit of electric energy metrical information and receiving antenna thereof, amplifying circuit, input circuit function, its input circuit promptly is the input circuit of the electric energy metrical information of this device.
6. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage realtime on-line monitoring method according to claim 5 is characterised in that: described measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device:
1). described this device is or/and have at least one detailed structure that detects the test side of electric energy metrical information and be: the detection cable and the sample detecting end of this test side have fixing structure;
2). described this device is or/and have the electric energy metrical information extension set that at least one wire transmission detects, and the detailed structure of the electric energy metrical information institution of wire transmission detection is between its extension set and this device:
The structure of the electric energy metrical information institution that a. described wire transmission detects is connected one by one and is formed by mould/number conversion circuit, photoelectric isolating circuit, differential output circuit, transmission circuit, difference input circuit, photoelectric isolating circuit, the input circuit of sample circuit, controller control; Perhaps,
The structure of the electric energy metrical information institution that b. described wire transmission detects is connected one by one and is formed by mould/number conversion circuit, electrical-optical conversion interface circuit, Transmission Fibers, opto-electronic conversion interface circuit, amplifying circuit, the input circuit of sample circuit, controller control; Perhaps,
The structure of the electric energy metrical information institution that c. described wire transmission detects is connected one by one and is formed by digital sample circuit, digital amplifying circuit, transmission circuit, interface circuit, digital input circuit; Perhaps,
The structure of the electric energy metrical information institution that d. described wire transmission detects is by digital output end--and wire transmission cable-digital input end constitutes;
3). described this device is or/and have the extension set of the electric energy metrical information that at least one wireless transmission detects, and the detailed structure of the electric energy metrical information institution of wireless transmission between its extension set and this device/reception detection is:
The structure of the electric energy metrical information extension set that a. described wireless transmission detects is made up of mould/number conversion circuit, digital signal processing module, wireless data sending communication module and the connection of transmitting antenna function thereof of sample circuit, controller control; This corresponding device must have electric energy metrical information institution that wireless receiving detects and structure and be connected and formed by wireless data sending communication module and receiving antenna thereof, digital signal processing module, input circuit function; Perhaps,
The structure of the electric energy metrical information extension set that b. described wireless transmission detects is made up of mould/number conversion circuit, digital modulation circuit, frequency conversion transtation mission circuit and the connection of transmitting antenna function thereof of sample circuit, controller control; This corresponding device must have electric energy metrical information institution that wireless receiving detects and structure and be connected and formed by reception and frequency changer circuit and receiving antenna thereof, digital demodulating circuit, input circuit function; Perhaps,
The structure of the electric energy metrical information extension set that c. described wireless transmission detects is connected by digital sample circuit, digital amplifying circuit and transmitting antenna function thereof and forms; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by digital received amplifying circuit and receiving antenna thereof, digital input circuit function.
7. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device, this device main body partly includes the mechanism and the structure of high-voltage electric energy measurement or detection, be characterised in that: described this device must comprise or have the detection accessory that at least one real-time, error free or error can detect electric energy metrical information with ignoring, described detection accessory be the test side or/and extension set:
A. this device is or/and have test side and the cable thereof that at least one detects electric energy metrical information; Or/and,
B. this device is or/and have at least one wire transmission or/and the mechanism of the electric energy metrical information that wireless transmission detected, this mechanism forms by electronic mechanism, this mechanism is and this device main body part having that cable wire connects or get in touch by wireless transmission/reception by transmission, these mechanisms are arranged on the branch body portion outside this apparatus main body part, constitute the extension set of this device, this extension set is made up of housing and interior electronic mechanism thereof.
8. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device according to claim 7 is characterised in that:
A. described this device is or/and have at least one structure that detects the test side of electric energy metrical information and be: the cable that connects with this device detection input end and the electric energy metrical sample detecting end of end thereof;
B. described this device is or/and have the split or the branch machine mechanism of the electric energy metrical information of at least one wire transmission detection, the detailed structure of the electric energy metrical information institution that wire transmission detects between its extension set and this device is:--the input circuit function connects composition to the mould/number conversion circuit of the sample circuit of electric energy metrical information-controller control for transmission circuit and transmission yarn--interface circuit and connector--, to the moving connector of interface circuit, constitute the wire transmission extension set of this device, mechanism's union end is gone in the output that its moving connector is this wire transmission extension set, and it decides the input circuit that connector constitutes this device electric energy metrical information;
C. described this device is or/and have the split of the electric energy metrical information that at least one wireless transmission detects or divide machine mechanism, and its extension set with the detailed structure of the electric energy metrical information institution that wireless transmission/receptions between this device detects is: mould/number conversion circuit, transtation mission circuit and the transmitting antenna function thereof that the sample circuit of electric energy metrical information, controller are controlled connects the extension set of the electric energy metrical information of composition wireless transmission detection; This device also must corresponding be provided with the mechanism of the electric energy metrical information of wireless receiving detection, the mechanism of the electric energy metrical information that described wireless receiving detects is arranged on this apparatus main body part, connected and formed by the receiving circuit of electric energy metrical information and receiving antenna thereof, amplifying circuit, input circuit function, its input circuit promptly is the input circuit of the electric energy metrical information of this device.
9. measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage real time on-line monitoring device according to claim 7 is characterised in that:
1). described this device is or/and have at least one detailed structure that detects the test side of electric energy metrical information and be: the detection cable and the sample detecting end of this test side have fixing structure;
2). described this device is or/and have the electric energy metrical information extension set that at least one wire transmission detects, and the detailed structure of the electric energy metrical information institution of wire transmission detection is between its extension set and this device:
The structure of the electric energy metrical information institution that a. described wire transmission detects is connected one by one and is formed by mould/number conversion circuit, photoelectric isolating circuit, differential output circuit, transmission circuit, difference input circuit, photoelectric isolating circuit, the input circuit of sample circuit, controller control; Perhaps,
The structure of the electric energy metrical information institution that b. described wire transmission detects is connected one by one and is formed by mould/number conversion circuit, electrical-optical conversion interface circuit, Transmission Fibers, opto-electronic conversion interface circuit, amplifying circuit, the input circuit of sample circuit, controller control; Perhaps,
The structure of the electric energy metrical information institution that c. described wire transmission detects is connected one by one and is formed by digital sample circuit, digital amplifying circuit, transmission circuit, interface circuit, digital input circuit; Perhaps,
The structure of the electric energy metrical information institution that d. described wire transmission detects is by digital output end--and wire transmission cable-digital input end constitutes;
3). described this device is or/and have the extension set of the electric energy metrical information that at least one wireless transmission detects, and the detailed structure of the electric energy metrical information institution of wireless transmission between its extension set and this device/reception detection is:
The structure of the electric energy metrical information extension set that a. described wireless transmission detects is made up of mould/number conversion circuit, digital signal processing module, wireless data sending communication module and the connection of transmitting antenna function thereof of sample circuit, controller control; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by wireless data sending communication module and receiving antenna thereof, digital signal processing module, input circuit function; Perhaps,
The structure of the electric energy metrical information extension set that b. described wireless transmission detects is made up of mould/number conversion circuit, digital modulation circuit, frequency conversion transtation mission circuit and the connection of transmitting antenna function thereof of sample circuit, controller control; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by reception and frequency changer circuit and receiving antenna thereof, digital demodulating circuit, input circuit function; Perhaps,
The structure of the electric energy metrical information extension set that c. described wireless transmission detects is connected by digital sample circuit, digital amplifying circuit and transmitting antenna function thereof and forms; This corresponding device must have the mechanism of the electric energy metrical information that wireless receiving detects and structure and be connected and formed by digital received amplifying circuit and receiving antenna thereof, digital input circuit function.
CN 200710130161 2007-07-20 2007-07-20 Real time online method and device for monitoring and measuring error of voltage drop electric energy at secondary loop of voltage transformer in high voltage Pending CN101093251A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104678344A (en) * 2015-03-04 2015-06-03 太原市优特奥科电子科技有限公司 Novel method and instrument for testing secondary voltage drop of voltage transformer
CN106226727A (en) * 2016-09-19 2016-12-14 国网天津市电力公司 User's electric energy metering error on-line checking analyzes system and method
CN111983542A (en) * 2020-08-04 2020-11-24 太原市优特奥科电子科技有限公司 Online detection system and method for measurement error of metering transformer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104678344A (en) * 2015-03-04 2015-06-03 太原市优特奥科电子科技有限公司 Novel method and instrument for testing secondary voltage drop of voltage transformer
CN106226727A (en) * 2016-09-19 2016-12-14 国网天津市电力公司 User's electric energy metering error on-line checking analyzes system and method
CN111983542A (en) * 2020-08-04 2020-11-24 太原市优特奥科电子科技有限公司 Online detection system and method for measurement error of metering transformer

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