CN110082703A - A kind of power distribution network metering device second loop return wiring detection method and device - Google Patents
A kind of power distribution network metering device second loop return wiring detection method and device Download PDFInfo
- Publication number
- CN110082703A CN110082703A CN201910429366.3A CN201910429366A CN110082703A CN 110082703 A CN110082703 A CN 110082703A CN 201910429366 A CN201910429366 A CN 201910429366A CN 110082703 A CN110082703 A CN 110082703A
- Authority
- CN
- China
- Prior art keywords
- measurement loop
- ammeter
- wiring
- loop
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Abstract
The invention discloses a kind of power distribution network metering device second loop return wiring detection method and device, are related to technology of instrument and meter field, which comprises the following steps, ammeter and voltage application device are linked into measurement loop；Voltage signal is applied to measurement loop by the voltage application device；After applying voltage signal to measurement loop, the correctness of measurement loop wiring is judged according to the display of the ammeter.The method of the present invention can carry out automatic detection comprehensively to metering device second loop return wiring situation, without contacting mutual inductor primary side, without changing wiring, can quickly, easily complete metering device secondary circuit false wiring detection.
Description
Technical field
The present invention relates to technology of instrument and meter field, especially a kind of power distribution network metering device second loop return wiring detection side
Method and device.
Background technique
In power distribution network, after electric energy metering device examination puts into operation, if wiring error occurs in metering secondary, it will go out
The case where now error of omission, few meter are not remembered even, brings economic dispute and loss to power supply enterprise and power customer.From voltage, electric current
The secondary singal that mutual inductor comes is connected to electric energy meter by wire transmission, during which not only to pass through terminal block, will also be by examination
Terminal box is tested, the false wirings situations such as reversed, the phase sequence mistake of secondary measurement loop polarity easily occurs, metering mistake is caused, influences
Normal metering.
In order to guarantee the accuracy of distribution network electric energy metering, the correctness of metering secondary wiring should ensure that.Therefore it counts
Amount device must carry out quickly and effectively wiring check before putting into operation, to effectively reduce because second loop return wiring mistake causes to measure
The case where mistake.
Summary of the invention
In view of the above drawbacks of the prior art, it is an object of the invention to provide a kind of power distribution network metering device secondary returnings
Road Wiring detection method and device, to realize under the premise of the primary side without contacting mutual inductor, to second loop return wiring
The automatic detection of situation.
An object of the present invention is that technical solution in this way is realized, a kind of power distribution network metering device secondary circuit
Wiring detection method, the detection method comprise the following steps,
Ammeter and voltage application device are linked into measurement loop；
Voltage signal is applied to measurement loop by the voltage application device；
After applying voltage signal to measurement loop, the correct of measurement loop wiring is judged according to the display of the ammeter
Property.
Optionally, the voltage application device is positive surge voltage bringing device.
Optionally, the range of the voltage signal is 0-5V.
Optionally, the mutual inductor secondary side leading-out terminal of measurement loop, the ammeter is arranged in the voltage application device
It is arranged in electric energy meter current end of incoming cables.
Optionally, the correctness for judging measurement loop wiring according to the display of the ammeter includes,
Show that measurement loop transient current is timing in ammeter, wiring is correct；
When ammeter shows that measurement loop transient current is negative, wiring error.
It is realized the second object of the present invention is to technical solution in this way, a kind of power distribution network metering device secondary circuit
Wiring testing device, the device include voltage application device and ammeter；
The voltage application device and ammeter are arranged in measurement loop；
The voltage application device is used to apply voltage signal to the measurement loop；
The ammeter is used for after applying voltage signal to the measurement loop, is judging the measurement loop wiring just
True property.
Optionally, the voltage application device is positive surge voltage bringing device.
Optionally, the range of the voltage signal is 0-5V.
Optionally, the mutual inductor secondary side leading-out terminal of measurement loop, the ammeter is arranged in the voltage application device
It is arranged in electric energy meter current end of incoming cables.
Optionally, the correctness for judging the measurement loop wiring includes,
Show that measurement loop transient current is timing in ammeter, wiring is correct；
When ammeter shows that measurement loop transient current is negative, wiring error.
By adopting the above-described technical solution, the present invention has the advantage that: the present invention program can be to metering device two
Minor loop wiring condition carries out automatic detection comprehensively,, can quickly, just without changing wiring without contacting mutual inductor primary side
Prompt completion metering device secondary circuit false wiring detection.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.
Detailed description of the invention
Detailed description of the invention of the invention is as follows:
Fig. 1 is detection method flow chart；
Fig. 2 is circuit diagram of the embodiment of the present invention；
Fig. 3 is that the embodiment of the present invention judges measurement loop wiring result schematic diagram.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
First embodiment of the invention provides a kind of power distribution network metering device second loop return wiring detection method, as shown in Figure 1,
The detection method comprises the following steps,
Ammeter and voltage application device are linked into measurement loop；
Voltage signal is applied to measurement loop by the voltage application device；
After applying voltage signal to measurement loop, the correct of measurement loop wiring is judged according to the display of the ammeter
Property.
Optionally, the voltage application device is positive surge voltage bringing device.
Optionally, the range of the voltage signal is 0-5V.
Optionally, the mutual inductor secondary side leading-out terminal of measurement loop, the ammeter is arranged in the voltage application device
It is arranged in electric energy meter current end of incoming cables.
Optionally, the correctness for judging measurement loop wiring according to the display of the ammeter includes,
Show that measurement loop transient current is timing in ammeter, wiring is correct；
When ammeter shows that measurement loop transient current is negative, wiring error.
Detection method main thought proposed in first embodiment of the invention is divided into: the correctness inspection of voltage circuit wiring
It looks into, the inspection of the correctness of current circuit connections, the Correctness checking of voltage circuit wiring is to detect each voltage secondary circuit to lead to
Disconnected, phase sequence, polarity, the Correctness checking of current circuit connections are to detect each electric current secondary loop on-off, phase sequence, polarity.
Second embodiment of the invention provides a kind of power distribution network metering device second loop return wiring detection device, which includes
Voltage application device and ammeter；
The voltage application device and ammeter are arranged in measurement loop；
The voltage application device is used to apply voltage signal to the measurement loop；
The ammeter is used for after applying voltage signal to the measurement loop, is judging the measurement loop wiring just
True property.
As shown in Fig. 2, being the detection device connection circuit figure of the embodiment of the present invention, wherein T1, T2 are current transformer,
Turn ratio is 1:100, no-load voltage ratio 100:1.S1, S2 are Current Transformer Secondary output end, and wherein S1 is secondary Same Name of Ends.R11,
R12, R21, R22 are equivalent to impedance loop respectively, and XWM1, XWM2 are expressed as ammeter.
Optionally, the voltage application device is positive surge voltage bringing device.
Optionally, the range of the voltage signal is 0-5V, and in the present embodiment, the voltage application device of selection is V1,
Voltage range is 0-1V.
Optionally, the mutual inductor secondary side leading-out terminal of measurement loop, the ammeter is arranged in the voltage application device
It is arranged in electric energy meter current end of incoming cables.
Optionally, the correctness for judging the measurement loop wiring includes,
Show that measurement loop transient current is timing in ammeter, wiring is correct；
When ammeter shows that measurement loop transient current is negative, wiring error.
As shown in figure 3, being the testing result schematic diagram of the embodiment of the present invention, wherein when ammeter show circuit transient state electricity
Polarization is flowed, wiring is correct, at this time S1Electric energy meter current end of incoming cables is terminated, it is possible thereby to judge that voltage secondary circuit or electric current are secondary
Circuit on-off is correct, phase sequence is correct, polarity is correct.
When ammeter show circuit transient current is partially negative, wiring error, S at this time1Electric energy meter current leading-out terminal is terminated, thus
It may determine that voltage secondary circuit or electric current secondary loop on-off be correct, phase sequence mistake, incorrect polarity；
It is that 0, then voltage secondary circuit or electric current secondary loop fail normally if ammeter does not have any display.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still
It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention
Modification or equivalent replacement, should all cover within the scope of the claims of the present invention.
Claims (10)
1. a kind of power distribution network metering device second loop return wiring detection method, which is characterized in that the detection method includes following step
Suddenly,
Ammeter and voltage application device are linked into measurement loop；
Voltage signal is applied to measurement loop by the voltage application device；
After applying voltage signal to measurement loop, the correctness of measurement loop wiring is judged according to the display of the ammeter.
2. detection method according to claim 1, which is characterized in that the voltage application device is that positive surge voltage is applied
Feeder apparatus.
3. detection method according to claim 2, which is characterized in that the range of the voltage signal is 0-5V.
4. detection method according to claim 2, which is characterized in that measurement loop is arranged in the voltage application device
Mutual inductor secondary side leading-out terminal, the ammeter are arranged in electric energy meter current end of incoming cables.
5. detection method according to claim 2, which is characterized in that judge measurement loop according to the display of the ammeter
The correctness of wiring includes,
Show that measurement loop transient current is timing in ammeter, wiring is correct；
When ammeter shows that measurement loop transient current is negative, wiring error.
6. a kind of power distribution network metering device second loop return wiring detection device, which is characterized in that the device includes that voltage applies dress
It sets and ammeter；
The voltage application device and ammeter are arranged in measurement loop；
The voltage application device is used to apply voltage signal to the measurement loop；
The ammeter is used for after applying voltage signal to the measurement loop, judges the correct of the measurement loop wiring
Property.
7. detection device according to claim 6, which is characterized in that the voltage application device is that positive surge voltage is applied
Feeder apparatus.
8. detection device according to claim 7, which is characterized in that the range of the voltage signal is 0-5V.
9. detection device according to claim 7, which is characterized in that measurement loop is arranged in the voltage application device
Mutual inductor secondary side leading-out terminal, the ammeter are arranged in electric energy meter current end of incoming cables.
10. detection device according to claim 7, which is characterized in that judge the correctness of the measurement loop wiring, wrap
Contain,
Show that measurement loop transient current is timing in ammeter, wiring is correct；
When ammeter shows that measurement loop transient current is negative, wiring error.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429366.3A CN110082703A (en) | 2019-05-22 | 2019-05-22 | A kind of power distribution network metering device second loop return wiring detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429366.3A CN110082703A (en) | 2019-05-22 | 2019-05-22 | A kind of power distribution network metering device second loop return wiring detection method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110082703A true CN110082703A (en) | 2019-08-02 |
Family
ID=67421356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910429366.3A Pending CN110082703A (en) | 2019-05-22 | 2019-05-22 | A kind of power distribution network metering device second loop return wiring detection method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110082703A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650535A (en) * | 2020-05-29 | 2020-09-11 | 深圳供电局有限公司 | Electric energy meter wiring detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438212U (en) * | 2009-07-16 | 2010-04-14 | 华东电力试验研究院有限公司 | Electronic current transformer polarity measurement system |
| CN102540131A (en) * | 2010-12-15 | 2012-07-04 | 河南省电力公司开封供电公司 | Instrument examination method based on electrical energy metering |
| CN102830326A (en) * | 2011-06-16 | 2012-12-19 | 北京市电力公司 | Method and system for wire checking of wireless metering secondary circuit |
| CN108710054A (en) * | 2018-05-25 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | Wiring state detection device, method and the secondary circuit system of secondary circuit |
-
2019
- 2019-05-22 CN CN201910429366.3A patent/CN110082703A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201438212U (en) * | 2009-07-16 | 2010-04-14 | 华东电力试验研究院有限公司 | Electronic current transformer polarity measurement system |
| CN102540131A (en) * | 2010-12-15 | 2012-07-04 | 河南省电力公司开封供电公司 | Instrument examination method based on electrical energy metering |
| CN102830326A (en) * | 2011-06-16 | 2012-12-19 | 北京市电力公司 | Method and system for wire checking of wireless metering secondary circuit |
| CN108710054A (en) * | 2018-05-25 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | Wiring state detection device, method and the secondary circuit system of secondary circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650535A (en) * | 2020-05-29 | 2020-09-11 | 深圳供电局有限公司 | Electric energy meter wiring detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20040227520A1 (en) | Traction motor fault detection system | |
| CN103777131B (en) | Integrated circuit test system and method for testing | |
| CN102565619A (en) | State diagnosis method for small-current ground fault line selection device | |
| CN108804261A (en) | The test method and device of connector | |
| CN106443326A (en) | Test system and method for fault locator of power distribution network | |
| CN104914395B (en) | A kind of detection quality verification method for single-phase intelligent electric energy meter automatic calibration system | |
| CN206584033U (en) | Bulk current injection test system check device | |
| CA2045884C (en) | Fault location in a multi-terminal network | |
| CN103645415A (en) | Practical method of inspecting electric energy metering device wiring in charged mode | |
| CN110082703A (en) | A kind of power distribution network metering device second loop return wiring detection method and device | |
| BR102012030126B1 (en) | method of detecting a bypass between the inputs and outputs of electricity, method of locating fraud, device for detecting a bypass between the inputs and outputs of electricity and electricity consumption meter | |
| CN105548941B (en) | Mutual-inductor tester with calibration function | |
| CN107271854B (en) | Dual-redundancy equipotential cable network mixed wire testing device and testing method | |
| US10393790B2 (en) | Method for testing connectivity | |
| KR100538563B1 (en) | Simulator for power system and method therefor | |
| CN114325484B (en) | Wiring inspection method for secondary circuit of generator voltage transformer | |
| CN108152782B (en) | Method for testing correction coefficient of high-supply high-count electric energy meter | |
| CN105182157A (en) | Neutral point multi-point grounding detection device based on high-accuracy detection current | |
| CN109283396A (en) | Ground resistance measurement method and system, the pincers resistance instrument for quantifying noiseproof feature | |
| CN104914399B (en) | A kind of electric power meter calibration method for single-phase intelligent electric energy meter automatic calibration system | |
| CN112415287A (en) | Method and system for identifying transformation ratio replacement of metering current transformer | |
| KR20160099121A (en) | Test device for wiring electric generator | |
| CN210270870U (en) | Device for starting debug of server | |
| CN113640724B (en) | Three-phase composite error testing method and system with zero sequence current sensor | |
| CN104914400B (en) | A kind of electric power meter calibration method for access type three-phase intelligent electric-energy meter automatic calibration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190802 |