CN101566657A - Method and system for online metering and real-time monitoring of electric transmission line - Google Patents
Method and system for online metering and real-time monitoring of electric transmission line Download PDFInfo
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- CN101566657A CN101566657A CNA2008100669104A CN200810066910A CN101566657A CN 101566657 A CN101566657 A CN 101566657A CN A2008100669104 A CNA2008100669104 A CN A2008100669104A CN 200810066910 A CN200810066910 A CN 200810066910A CN 101566657 A CN101566657 A CN 101566657A
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- 230000005611 electricity Effects 0.000 claims description 99
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Abstract
The invention relates to a method and a system for online metering and real-time monitoring of an electric transmission line. The method comprises the following steps: a measurer (1) of the electric transmission line obtains the data of the electric parameter and the electric quantity parameter of the electric transmission line and/or the physical parameter of the electric transmission line by measuring, sends the parameters to a distant main station (3); a user-end metering module (2) obtains the data of the electric quantity parameter, the required quantity parameter and/or the electric parameter of the user by measuring and sends the data of the parameters to the distant main station; the distant main station (3) carries out data storage, comparison, statistic and/or analysis to the data of every parameter, achieves the purpose of the real-time monitoring of the electric transmission line and judges the abnormal electric utilization of the user; or the measurer (1) of the electric transmission line automatically judges the abnormal electric utilization of the user and sends the information of the abnormal electric utilization to the distant main station. The method for online metering and real-time monitoring of the electric transmission line has the advantages that the running state of the electric transmission line can be monitored in real time during the automatic management of the electric energy metering, such as the illegal electric utilization or the abnormal state of the scene of the electric utilization is alarmed, and the like.
Description
Technical field
The present invention relates to the test of transmission line of electricity multiple physical form, especially electrical property, particularly relate to the digital-telecommunication mode and send data and prevent remote measurement, the remote signalling technology of undesired electricity consumption.
Background technology
In today that the power automation management is constantly promoted, developed, on-line real time monitoring and early warning to the transmission line of electricity system running state are the problems that solution is badly in need of in electric system, and this concerns the raising of electric system power supply quality, the reduction of operation troubles rate and the timely response and the eliminating of fault.The monitoring of current power transmission line system is to be achieved by the measurement to the electrical quantity of transmission pressure in transformer station, this monitoring method can not be carried out on-line real time monitoring to transmission line of electricity, is unfavorable for the raising of power supply quality, the reduction of operation troubles rate and the timely response and the eliminating of fault.
Simultaneously, electric administrative department generally faces the difficult problem of " anti-electricity-theft " at present, and some power consumer is subjected to interests and drives, and adopts various electricity filching means illegally to obtain economic interests.Each electric administrative department has been taked various electricity anti-theft methods, how existing electricity anti-theft method is general carries out various technical finesses on batch meter and gauging table meter, but because diversity, polytrope and the disguise of electricity filching means, many electricity filching behaviors adopt existing monitoring method can not find fully, avoid.Realize anti-electricity-theft detection by measurement, can reduce the possibility of user's stealing greatly, effectively prevent the generation of stealing electricity phenomenon transmission line of electricity.
Summary of the invention
The technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and proposes a kind ofly can carry out on-line real time monitoring to transmission line of electricity operation, can realize the transmission route survey device of anti-electricity-theft detection again.
The present invention solve the technical problem can be by realizing by the following technical solutions:
Propose a kind of transmission line of electricity on-line metering, method of real-time, may further comprise the steps:
1. each sensor assembly of transmission route survey device measures electrical quantity, electrical parameter and/or the transmission line of electricity physical parametric data of transmission line of electricity, and above-mentioned electrical quantity, electrical parameter and transmission line of electricity physical parametric data are sent to distant place main website by telecommunication channel, wherein, described electrical quantity comprises voltage, electric current, active power, reactive power, applied power and power factor (PF)/phase place, electrical parameter comprises meritorious function and idle function, and the power transmission line physical parameter comprises conductive line surfaces temperature and wire tension;
2. the user side metering module is taken a sample to voltage, electric current after changing through metering PT, metering CT by voltage, current sampling circuit, obtain user's electrical parameter, requirement parameter and/or electrical quantity data, and described user's electrical parameter, requirement parameter and/or electrical quantity data are sent to distant place main website by telecommunication channel;
3. each supplemental characteristic that described distant place main website is sent according to described transmission route survey device and described user side metering module, and according to various predetermined threshold value, carrying out data preserves, compares, adds up and/or analyze, realization is reported to the police to the real-time monitoring of transmission line of electricity and to abnormality, described abnormality comprise voltage fluctuation, line broken circuit/short circuit, circuit/user's overload, lead aging/overheated, tower/bar crosses load and/or illegal electricity consumption.
Propose another kind of transmission line of electricity on-line metering, method of real-time, may further comprise the steps:
1. the transmission route survey device is installed in the house lead in side of user side metering module;
2. each sensor assembly of described transmission route survey device measures electrical quantity, electrical parameter and/or the transmission line of electricity physical parametric data of transmission line of electricity, and above-mentioned electrical quantity, electrical parameter and transmission line of electricity physical parametric data are sent to distant place main website by telecommunication channel, each supplemental characteristic that described distant place main website is sent according to described transmission route survey device, and according to various predetermined threshold value, carry out data and preserve, compare, add up and/or analyze, realize real-time monitoring transmission line of electricity;
3. described user side metering module is taken a sample to voltage, electric current after changing through metering PT, metering CT by voltage, current sampling circuit, obtains user's electrical parameter, requirement parameter and/or electrical quantity data;
4. described transmission route survey device is gathered user's electrical parameter, requirement parameter and/or the electrical quantity data of described user side metering module, the electrical quantity of the transmission line of electricity that self measures with the transmission route survey device and/or electrical parameter are relatively, if both differ above predetermined threshold value, described transmission route survey device judges that then user power utilization is unusual, and this multiplexing electric abnormality information is sent to distant place main website.
Design, a kind of transmission line of electricity on-line metering of making, real-time monitoring system, comprise the user side metering module, this user side metering module comprises that again metering PT, metering CT and metering are used for metering with multifunctional electric energy meter and obtain user's electrical parameter, requirement parameter and/or electrical quantity data, and/or user's electrical parameter, requirement parameter and/or electrical quantity data are sent to distant place main website;
The transmission route survey device is installed near user side metering module part, comprises shell, and in the enclosure each sensor assembly, micro treatment module MCU, memory module, remote communication module, local communication module and supply module are set; Described each sensor assembly, memory module, remote communication module and local communication module are electrically connected with micro treatment module MCU respectively, and each sensor assembly, micro treatment module MCU, memory module, remote communication module and local communication module are electrically connected with supply module respectively; The electrical quantity, electrical parameter and/or the transmission line of electricity physical parametric data that are used for the transmission line of electricity that will measure are sent to distant place main website, and/or user's electrical parameter, requirement parameter and/or the electrical quantity data of gathering described user side metering module, the electrical quantity of the transmission line of electricity that self measures with the transmission route survey device and/or electrical parameter are relatively, judge whether user power utilization is unusual, and multiplexing electric abnormality information is sent to distant place main website;
Distant place main website, be used for each supplemental characteristic of being sent according to described transmission route survey device and described user side metering module, and according to various predetermined threshold value, carry out data preserve, relatively, statistics and/or analyze, realize the real-time monitoring of transmission line of electricity and carry out the unusual electricity consumption of user and judge.
Compare with prior art, technique effect of the present invention is: can provide the most accurate, timely and reliable transmission line of electricity data for the electrical management robotization, realize illegal electricity consumption or the on-the-spot abnormality of electricity consumption reported to the police wait electric energy metering automation to manage in, can be to the voltage fluctuation of transmission line of electricity, open circuit/short circuit, circuit/user's overload, lead be aging/overheated or tower/bar crosses running status such as load and monitors in real time, effectively avoided stealing, improve power supply quality and guarantee the transmission line of electricity safe operation.
Description of drawings
Fig. 1 is the synoptic diagram of transmission line of electricity on-line metering of the present invention, method of real-time embodiment one;
Fig. 2 is the synoptic diagram of transmission line of electricity on-line metering of the present invention, method of real-time embodiment two;
Fig. 3 is the structural representation of the transmission route survey device of system of the present invention;
Fig. 4 is the structural representation of the transmission route survey crust of the device of system of the present invention, wherein, and Fig. 4-the 1st, the schematic perspective view of enclosure closed state, Fig. 4-the 2nd, the cut-away illustration of shell; Fig. 4-the 3rd, the synoptic diagram of enclosure closed state; Fig. 4-the 4th, the synoptic diagram of shell open mode.
Embodiment
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
The inventive method embodiment one:
Transmission line of electricity on-line metering of the present invention, method of real-time as shown in Figure 1, may further comprise the steps:
1. transmission route survey device 1 is installed in the electric main road, before the service-wire;
2. each sensor assembly of described transmission route survey device 1 measures electrical quantity, electrical parameter and/or the transmission line of electricity physical parametric data of transmission line of electricity, and above-mentioned electrical quantity, electrical parameter and transmission line of electricity physical parametric data are sent to distant place main website 3 by telecommunication channel, the electrical quantity of described transmission line of electricity comprises voltage, electric current, active power, reactive power, applied power and/or power factor (PF)/phase place etc., and physical parametric data comprises surface temperature and/or Horizontal Tension etc.;
3. described user side metering module 2 is taken a sample to voltage, electric current after changing through metering PT (voltage transformer (VT)), metering CT (current transformer) by voltage, current sampling circuit, obtain user's electrical parameter, requirement parameter and/or electrical quantity data, and described user's electrical parameter, requirement parameter and/or electrical quantity data are sent to distant place main website 3 by telecommunication channel;
4. each supplemental characteristic that described distant place main website 3 is sent according to described transmission route survey device 1 and described user side metering module 2, and according to various predetermined threshold value, carry out data preserve, relatively, statistics and/or analyze, realize the real-time monitoring of transmission line of electricity and carry out the unusual electricity consumption of user and judge.
The main website unusual electricity consumption determination methods of 3 couples of users in a distant place is specific as follows:
Judge according to applied power, suppose:
● the voltage that n node place's transmission route survey device records is V
n, electric current is I
n, applied power is S
n
● the voltage that n node place user side metering module records is V
n', electric current is I
n', applied power is S
n'; Its metering CT is than being K
CT, metering PT is than being K
PT,
● the voltage that n+1 node place's transmission route survey device records is V
N+1, electric current is I
N+1, applied power is S
N+1The voltage that n+1 node place's transmission route survey device records is V
N+1, electric current is I
N+1, applied power is S
N+1
According to law of conservation of energy, following formula should be set up in theory fully:
S
n＝S
n+1+K
CT×K
PT×S
n’
V
n×I
n＝V
n+1×I
n+1+K
CT×K
PT×V
n’×I
n’
But consider that error in dipping, line loss and transformer loss etc. are all multifactor, have certain error, establishing error is Δ, then
● whether judge the error delta value calculate greater than pre-set threshold value, unusual if the error delta value that calculates during greater than pre-set threshold value, then is judged as user power utilization.
The inventive method embodiment two:
The inventive method transmission line of electricity on-line metering, method of real-time as shown in Figure 2, may further comprise the steps:
1. transmission route survey device 1 is installed in the house lead in side of user side metering module 2;
2. each sensor assembly of described transmission route survey device 1 measures electrical quantity, electrical parameter and/or the transmission line of electricity physical parametric data of transmission line of electricity, and above-mentioned electrical quantity, electrical parameter and transmission line of electricity physical parametric data are sent to distant place main website 3 by telecommunication channel, each supplemental characteristic that described distant place main website 3 is sent according to described transmission route survey device 1, and according to various predetermined threshold value, carry out data and preserve, compare, add up and/or analyze, realize real-time monitoring transmission line of electricity; The electrical quantity of described transmission line of electricity comprises voltage, electric current, active power, reactive power, looks merit power and/or power factor (PF)/phase place, and physical parametric data comprises surface temperature and/or Horizontal Tension;
3. described user side metering module 2 is taken a sample to voltage, electric current after changing through metering PT, metering CT by voltage, current sampling circuit, obtains user's electrical parameter, requirement parameter and/or electrical quantity data;
4. described transmission route survey device 1 is gathered user's electrical parameter, requirement parameter and/or the electrical quantity data of described user side metering module 2 by wireless communication module GPRS, cdma mobile communication or short-distance wireless self-organized network communication etc., the electrical quantity of the transmission line of electricity that self measures with transmission route survey device 1 and/or electrical parameter are relatively, if both differ above predetermined threshold value, 1 in described transmission route survey device judges that user power utilization is unusual, and by wireless communication module this multiplexing electric abnormality information is sent to distant place main website.
Transmission line of electricity on-line metering of the present invention, real-time monitoring system as shown in Figure 1 and Figure 2, comprising:
User side metering module 2, comprise metering PT 21, metering CT 22 and metering multifunctional electric energy meter 23, be used for metering and obtain user's electrical parameter, requirement parameter and/or electrical quantity data, and/or user's electrical parameter, requirement parameter and/or electrical quantity data are sent to distant place main website 3;
Transmission route survey device 1, be installed near user side metering module 2 parts, the electrical quantity of the transmission line of electricity that is used to measure, electrical parameter and/or transmission line of electricity physical parametric data are sent to distant place main website 3, and/or user's electrical parameter, requirement parameter and/or the electrical quantity data of gathering described user side metering module 2, the electrical quantity of the transmission line of electricity that self measures with transmission route survey device 1 and/or electrical parameter are relatively, judge whether user power utilization is unusual, and multiplexing electric abnormality information is sent to distant place main website 3;
Distant place main website 3, be used for each supplemental characteristic of being sent according to described transmission route survey device 1 and described user side metering module 2, and according to various predetermined threshold value, carry out data preserve, relatively, statistics and/or analyze, realize the real-time monitoring of transmission line of electricity and carry out the unusual electricity consumption of user and judge.
As shown in Figure 3, described transmission route survey device 1 comprises shell 11, and in the enclosure each sensor assembly 12, micro treatment module MCU 13, memory module 14, remote communication module 15, local communication module 16 and supply module 17 are set; Described each sensor assembly 12, memory module 14, remote communication module 15 and local communication module 16 are electrically connected with micro treatment module MCU13 respectively, and each sensor assembly 12, micro treatment module MCU13, memory module 14, remote communication module 15 and local communication module 16 are electrically connected with supply module 17 respectively.
Described micro treatment module MCU 13, input signal to above-mentioned each sensor assembly carries out computing, obtain the service data information of transmission line of electricity, and described data message is saved to described memory module 14, response is by the communications command of described remote communication module 15 or local communication module 16 simultaneously.Described remote communication module 8, the data that are used for 2 of described micro treatment module MCU5 and distant place main website 3, user side metering modules exchange.Described local communication module 16, be used for produce, qualification process carries out to described micro treatment module MCU13 that transmission line parameter presets and/or the data copy reading.Supply module 16 adopts electromagnetic induction principle to obtain power supply from transmission line of electricity, for above-mentioned each module provides working power; Also can continue charging, when high voltage transmission line is unloaded, provide power supply by rechargeable battery or super storage capacitor to rechargeable battery or super storage capacitor.
Described each sensor assembly 12 comprises again:
The shell 11 of described transmission route survey device 1 is the open-close type annular, directly is socketed on the electric main road before user's the house lead in or is socketed on the transmission line of electricity of user's house lead in side.To building the transmission line of electricity system that finishes, need not to cut off to be serially connected with power transmission line, installs very convenient, and do not influence the transmission line of electricity system normally, safe operation.
To shown in the 4-2, this shell 11 comprises left-half 111, left side rotating shaft 112, right half part 113, the right rotating shaft 114, slide block 115, rotary screw 116, left-half rotating lever 117 and right half part rotating lever 118 to the concrete structure of described shell 11 as Fig. 4-1; Described left side rotating shaft 112 and the right rotating shaft 114 are separately fixed on left-half 111 and the right half part 113, described left-half rotating lever 117 1 ends are connected with slide block 115, the other end is connected with left side rotating shaft 112, right half part rotating lever 118 1 ends are connected with slide block 115, the other end is connected with the right rotating shaft 114, described slide block 115 and rotary screw 116 engagements.
When installation the present invention need open this shell 11, high pressure spacer rod 119 is inserted in the rotary screw 116, rotation high pressure spacer rod 119, driven rotary screw rod 116 rotates together, 117 of slide blocks slide in shell, thereby by left-half rotating lever 117 drive left-half 111 with left side rotating shaft 112 to inner rotary, simultaneously by right half part rotating lever 118 drive respectively right half part 113 with the right rotating shaft 114 to inner rotary, thereby shell is opened.Close this shell, only need 119 reverse rotations of high pressure spacer rod are got final product.
Claims (7)
1. a transmission line of electricity on-line metering, method of real-time is characterized in that: may further comprise the steps:
1. each sensor assembly of transmission route survey device (1) measures electrical quantity, electrical parameter and/or the power transmission line physical parametric data of transmission line of electricity, and above-mentioned electrical quantity, electrical parameter and transmission line of electricity physical parametric data are sent to distant place main website (3) by telecommunication channel, wherein, described electrical quantity comprises voltage, electric current, active power, reactive power, applied power and power factor (PF)/phase place, electrical parameter comprises meritorious function and idle function, and the power transmission line physical parameter comprises conductive line surfaces temperature and wire tension;
2. user side metering module (2) is taken a sample to voltage, electric current after changing through metering PT, metering CT by voltage, current sampling circuit, obtain user's electrical parameter, requirement parameter and/or electrical quantity data, and described user's electrical parameter, requirement parameter and/or electrical quantity data are sent to distant place main website (3) by telecommunication channel;
3. each supplemental characteristic that described distant place main website (3) is sent according to described transmission route survey device (1) and described user side metering module (2), and according to various predetermined threshold value, carrying out data preserves, compares, adds up and/or analyze, realization is to the real-time monitoring of transmission line of electricity, customer charge, and abnormality reported to the police, described abnormality comprise voltage fluctuation, line broken circuit/short circuit, circuit/user's overload, lead aging/overheated, tower/bar crosses load and/or illegal electricity consumption.
2. transmission line of electricity on-line metering as claimed in claim 1, method of real-time is characterized in that: described distant place main website (3) is specific as follows to the unusual electricity consumption determination methods of user:
With the measured applied power/electric current that obtains of n node place user side metering module (2) transmission route survey device before, recording applied power/electric current that applied power/electric current adds that n+1 node place's transmission route survey device records with n node place user side metering module compares, whether the error of judging the two is greater than pre-set threshold value, if it is unusual that the error that calculates during greater than pre-set threshold value, then is judged as user power utilization.
3. a transmission line of electricity on-line metering, method of real-time is characterized in that: may further comprise the steps:
1. transmission route survey device (1) is installed in the house lead in side of user side metering module (2);
2. each sensor assembly of described transmission route survey device (1) measures electrical quantity, electrical parameter and/or the transmission line of electricity physical parametric data of transmission line of electricity, and above-mentioned electrical quantity, electrical parameter and transmission line of electricity physical parametric data are sent to distant place main website (3) by telecommunication channel, wherein, described electrical quantity comprises voltage, electric current, active power, reactive power, applied power and power factor (PF)/phase place, electrical parameter comprises meritorious function and idle function, and the power transmission line physical parameter comprises conductive line surfaces temperature and wire tension; Each supplemental characteristic that described distant place main website (3) is sent according to described transmission route survey device (1), and according to various predetermined threshold value, carrying out data preserves, compares, adds up and/or analyze, realization is to the real-time monitoring of transmission line of electricity and the warning of abnormality, described abnormality comprise voltage fluctuation, line broken circuit/short circuit, circuit/user's overload, lead aging/overheated and/or tower/bar crosses load;
3. described user side metering module (2) is taken a sample to voltage, electric current after changing through metering PT, metering CT by voltage, current sampling circuit, obtains user's electrical parameter, requirement parameter and/or electrical quantity data;
4. described transmission route survey device (1) is gathered user's electrical parameter, requirement parameter and/or the electrical quantity data of described user side metering module (2), the electrical quantity of the transmission line of electricity that self measures with transmission route survey device (1) and/or electrical parameter are relatively, if both differ above predetermined threshold value, described transmission route survey device (1) judges that then user power utilization is unusual, and this multiplexing electric abnormality information is sent to distant place main website.
4. a transmission line of electricity on-line metering, real-time monitoring system is characterized in that: comprise
User side metering module (2), comprise that metering PT (21), metering CT (22) and metering are used for metering with multifunctional electric energy meter (23) and obtain user's electrical parameter, requirement parameter and/or electrical quantity data, and/or user's electrical parameter, requirement parameter and/or electrical quantity data are sent to distant place main website (3);
Transmission route survey device (1), be installed near user side metering module (2) part, comprise shell (11), in the enclosure each sensor assembly (12), micro treatment module MCU (13), memory module (14), remote communication module (15), local communication module (16) and supply module (17) are set; Described each sensor assembly (12), memory module (14), remote communication module (15) and local communication module (16) are electrically connected with micro treatment module MCU (13) respectively, and each sensor assembly (12), micro treatment module MCU (13), memory module (14), remote communication module (15) and local communication module (16) are electrically connected with supply module (17) respectively; The electrical quantity of the transmission line of electricity that is used to measure, electrical parameter and/or transmission line of electricity physical parametric data are sent to distant place main website (3), and/or user's electrical parameter, requirement parameter and/or the electrical quantity data of gathering described user side metering module (2), the electrical quantity of the transmission line of electricity that self measures with transmission route survey device (1) and/or electrical parameter are relatively, judge whether user power utilization is unusual, and multiplexing electric abnormality information is sent to distant place main website (3);
Distant place main website (3), be used for each supplemental characteristic of being sent according to described transmission route survey device (1) and described user side metering module (2), and according to various predetermined threshold value, carry out data preserve, relatively, statistics and/or analyze, realize the real-time monitoring of transmission line of electricity and carry out the unusual electricity consumption of user and judge.
5. transmission line of electricity on-line metering as claimed in claim 4, real-time monitoring system is characterized in that: each sensor assembly (12) comprises
Voltage sensor module (121) adopts non-contacting mode by to the transmission line of electricity measurement of field intensity over the ground, obtains to be proportional to the sampled signal of transmission line of electricity voltage, and this signal is sent into micro treatment module MCU (13);
Current sensor module (122) utilizes electromagnetic induction principle to obtain to be proportional to the sampled signal of transmission line of electricity electric current, and this signal is sent into micro treatment module MCU (13);
Temperature sensor module (123) is used to measure the temperature on power transmission line surface, and the temperature digital signal that it measures inputs to microprocessor MCU (13);
Obliquity sensor module (124), its digital/analog signal that measures angle inputs to micro treatment module MCU (13), described micro treatment module MCU (13) calculates transmission line of electricity tension force in conjunction with the parameter preset of transmission line of electricity and the temperature on the above-mentioned transmission line of electricity surface that measures.
6. transmission line of electricity on-line metering as claimed in claim 4, real-time monitoring system, it is characterized in that: the shell (11) of described transmission route survey device (1) is for the open-close type annular, and directly cover hangs on the electric main road before user's the house lead in or is socketed on the transmission line of electricity of user's house lead in side.
7. transmission line of electricity on-line metering as claimed in claim 6, real-time monitoring system is characterized in that: described shell (11) comprises left-half (111), left side rotating shaft (112), right half part (113), the right rotating shaft (114), slide block (115), rotary screw (116), left-half rotating lever (117) and right half part rotating lever (118); Described left side rotating shaft (112) and the right rotating shaft (114) are separately fixed on left-half (111) and the right half part (113), described left-half rotating lever (117) one ends are connected with slide block (115), the other end is connected with left side rotating shaft (112), right half part rotating lever (118) one ends are connected with slide block (115), the other end is connected with the right rotating shaft (114), described slide block (115) and rotary screw (116) engagement.
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