CN103630729A - One-step wiring device and method for testing 1000kV lightning arrester reference voltage and leakage current - Google Patents
One-step wiring device and method for testing 1000kV lightning arrester reference voltage and leakage current Download PDFInfo
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Abstract
The invention discloses a one-step wiring device and a one-step wiring method for testing 1000kV lightning arrester reference voltage and leakage current. The device comprises an industrial personal computer, a communication module, a direct-current high-voltage generator, a positive and negative adjustable direct-current power supply, an ampere meter A1, an ampere meter A2 and a relay adapter board, wherein the industrial personal computer is connected with the direct-current high-voltage generator and the positive and negative adjustable direct-current power supply through the communication module to realize data communication, the direct-current high-voltage generator and the positive and negative adjustable direct-current power supply are respectively and serially connected with the ampere meters and then are connected with relays on the relay adapter board, and the relay adapter board is connected with a tested lightning arrester through a testing line. The method provided by the invention has the advantages that the wiring is convenient to perform, the testing items of all lightning arrester units can be completed through one-step wiring, the repetitive replacement of wires is avoided, the time of power outage is shortened, the time and the labor are saved and the application prospect is good.
Description
Technical field
The invention belongs to electric integrated field of measuring technique, be specifically related to the primary connection device and method of a kind of 1000kV of test lightning arrester reference voltage and leakage current.
Background technology
220kV and above lightning arrester normally consist of single-phase multi-section serial, and the higher joint number of electric pressure is more, and 1000kV lightning arrester consists of 5 joint units in series conventionally.In electric integrated measuring technique, the method for testing of traditional D.C. reference voltage of arrester, the test of leakage DC current is carried out section by section.When measuring the lightning arrester of more piece units in series formation, need to measure section by section, caused repetition wiring.And while saving lightning arrester unit on measuring, need to remove once lead-in wire, thereby cause setting up time long, labour intensity is large, and there is higher potential safety hazard in inefficiency.
Summary of the invention
In order to overcome the problems of the prior art, the invention provides the primary connection device and method of a kind of 1000kV of test lightning arrester reference voltage and leakage current, primary connection can complete the DC reference voltage of all lightning arresters unit and leak DC current test, and effectively the problems such as line workload is large are repeated to disconnect in solution scene.
In order to achieve the above object, the technical solution adopted in the present invention is:
The primary connection device of test 1000kV lightning arrester reference voltage and leakage current, comprise industrial computer, communication module, high voltage direct current generator, positive and negative adjustable DC power supply, reometer A1, reometer A2 and relay card extender, described industrial computer is connected with positive and negative adjustable DC power supply with high voltage direct current generator respectively by communication module, carries out data communication; After being in series by cable with reometer A1, described high voltage direct current generator is connected with the relay K a on relay card extender; After being in series by cable with reometer A2, described positive and negative adjustable DC power supply is connected with the relay K b on relay card extender; Described relay card extender also comprises relay K c in order to ground connection; Described relay card extender is provided with 6 output interfaces and is connected with tested lightning arrester by p-wire.
Aforesaid communication module carries out data communication by photoelectric isolation module and industrial computer, reometer A1, reometer A2, high voltage direct current generator, positive and negative adjustable DC power supply; Described photoelectric isolation module is for converting the electrical signal to light signal and convert light signal to electric signal at data communication process, and opposing electromagnetic interference (EMI); Described communication module is for carrying out filtering and AD/DA conversion to electric signal.
Aforesaid relay card extender according to testing requirement by relay K a, thereby relay K b and relay K c join and are communicated with corresponding p-wire from different output interface.
The method of utilizing the primary connection device of above-mentioned test 1000kV lightning arrester reference voltage and leakage current to test, comprises the following steps:
1): 1000kV lightning arrester consists of 5 joint units in series conventionally, first every joint of tested lightning arrester is connected with corresponding p-wire, and p-wire is connected to the output port of relay card extender;
2): test minute following three kinds of situations:
2a) the situation of test cell 1 and unit 2,
If DC reference voltage and the leakage current of test lightning arrester unit 1 and unit 2, relay K a is placed in to the output port 1 of relay card extender, relay K b is placed in the output port 2 of relay card extender, relay K c is placed in the output port 6 of relay card extender, regulate the output valve of high voltage direct current generator and positive and negative adjustable DC power supply, measure DC reference voltage and the leakage current of lightning arrester unit 1 and unit 2;
2b) the situation of measuring unit 2 and unit 3, unit 3 and unit 4,
Test lightning arrester unit i(i=2,3) and DC reference voltage and the leakage current of unit i+1 if, relay K a is placed in to the output port i of relay card extender, relay K b is placed in the output port i+1 of relay card extender, relay K c is placed in the output port i-1 of relay card extender, regulate the output valve of high voltage direct current generator and positive and negative adjustable DC power supply, measure DC reference voltage and the leakage current of lightning arrester unit i and unit i+1;
2c) the situation of measuring unit 4 and unit 5,
If DC reference voltage and the leakage current of test lightning arrester unit 4 and unit 5, relay K a is placed in to the output port 4 of relay card extender, relay K b is placed in the output port 3 of relay card extender, relay K c is placed in the output port 5 of relay card extender, regulate the output valve of high voltage direct current generator and positive and negative adjustable DC power supply, measure DC reference voltage and the leakage current of lightning arrester unit 4 and unit 5.
Aforesaid method of testing, is characterized in that, described situation 2a) and situation 2b), after wiring completes, measure lightning arrester unit i(i=1,2,3) and the DC reference voltage of unit i+1 and the method for leakage current comprise the following steps:
1, by industrial computer, regulate high voltage direct current generator and positive and negative adjustable DC power supply, the current value that makes reometer A1 is 16mA, simultaneously the current value of reometer A2 is 8mA, and now the voltage of high voltage direct current generator is lightning arrester unit i(i=1,2,3) DC reference voltage when reference current is 8mA; The voltage that the voltage of high voltage direct current generator deducts positive and negative adjustable DC power supply is the DC reference voltage of lightning arrester unit i+1 when reference current is 8mA;
2, by industrial computer, regulating the output valve of positive and negative adjustable DC power supply is zero, and then by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit i+1
8mA, now the reading of reometer A2 is the 0.75U of unit i+1
8mAunder leakage current; The output valve that keeps positive and negative adjustable DC power supply is zero, and by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit i
8mA, now the current value of reometer A1 deducts the current value of reometer A2, is the 0.75U of unit i
8mAunder leakage current;
The data of described reometer A1 and reometer A2 can read by communication module and photoelectric isolation module.
Aforesaid method of testing, described situation 2c), after wiring completes, measure lightning arrester unit 4 and the DC reference voltage of unit 5 and the method for leakage current and comprise the following steps:
1, by industrial computer, regulate high voltage direct current generator and positive and negative adjustable DC power supply, the current value that makes reometer A1 is 16mA, the current value of reometer A2 is 8mA simultaneously, and now the voltage of high voltage direct current generator is the DC reference voltage of lightning arrester unit 5 when reference current is 8mA; The voltage that the voltage of high voltage direct current generator deducts positive and negative adjustable DC power supply is the DC reference voltage of lightning arrester unit 4 when reference current is 8mA;
2, by industrial computer, regulating the output valve of positive and negative adjustable DC power supply is zero, and then by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 4
8mA, now the reading of reometer A2 is the 0.75U of unit 4
8mAunder leakage current; The output valve that keeps positive and negative adjustable DC power supply is zero, and by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 5
8mA, now the current value of reometer A1 deducts the current value of reometer A2, is the 0.75U of unit 5
8mAunder leakage current;
The data of described reometer A1 and reometer A2 can read by communication module and photoelectric isolation module.
The invention has the beneficial effects as follows: primary connection device of the present invention and method of testing, easy-to-connect, primary connection can complete the DC reference voltage of all lightning arresters unit and leak DC current test, do not need to change test connection, do not need once lead-in wire and the process of the test of removing joint lightning arrester unit automatically to carry out, avoid repeatedly changing wiring, effectively the problems such as line workload is large are repeated to disconnect in solution scene, reduce experiment work amount, shorten the time that needs power failure, time saving and energy saving, there is good application and promotion prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of testing the primary connection device of lightning arrester reference voltage and leakage current in embodiments of the invention;
Fig. 2 is the communication mode schematic diagram of communication module of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
The DC voltage value of the lightning arrester of measuring when the DC reference voltage of lightning arrester refers to lightning arrester by direct-current reference current, the direct-current reference current of lightning arrester is got 8mA, 0.75U conventionally
1mArefer to 0.75 times of 8mA DC reference voltage.What the leakage current under the DC reference voltage of 8mA and 0.75 times of this voltage reflected in fact is the position of lightning arrester U-I knee of characteristic, be two important parameters determining lightning arrester characteristic, by these two parameters, can directly reflect that lightning arrester is whether in aging and make moist.
As shown in Figure 1, in embodiments of the invention, in order to test DC reference voltage and the leakage current of the lightning arrester of 1000kV, 1000kV lightning arrester consists of 5 joint units in series conventionally, this primary connection device, comprises industrial computer, communication module, high voltage direct current generator, positive and negative adjustable DC power supply, reometer A1, reometer A2 and relay card extender.Wherein, industrial computer is connected with high voltage direct current generator, positive and negative adjustable DC power supply respectively by communication module, the row data communication of going forward side by side; After being in series by cable with reometer A1, high voltage direct current generator is connected with the relay K a on relay card extender; After positive and negative adjustable DC power supply is in series by cable with reometer A2, be connected with the relay K b on relay card extender, relay card extender also comprises relay K c in order to ground connection; Relay card extender is provided with 6 output interfaces and is connected with tested lightning arrester by p-wire, and can be according to user's testing requirement, by relay K a, thereby relay K b and relay K c join and are communicated with corresponding p-wire from different output interface.
Communication module carries out data communication by photoelectric isolation module and industrial computer, reometer A1, reometer A2, high voltage direct current generator and positive and negative adjustable DC power supply as shown in Figure 2.Wherein photoelectric isolation module can convert the electrical signal to optical signal transmission, and then converts light signal to electric signal, can effectively resist various electromagnetic interference (EMI), improves transmission speed and equipment dependability simultaneously, guarantees the accuracy of signal transmission; Communication module can carry out to electric signal the processing such as filtering, AD/DA conversion.
The method of testing of the primary connection device based on above-mentioned test 1000kV lightning arrester reference voltage and leakage current, its step is as follows:
Step 1: first every joint of tested lightning arrester is connected with corresponding p-wire, and p-wire is connected to the output port of relay card extender;
Step 2: test minute following several situations:
2a) the situation of test cell 1 and unit 2,
If DC reference voltage and the leakage current of test lightning arrester unit 1 and unit 2, relay K a is placed in to the output port 1 of relay card extender, relay K b is placed in the output port 2 of relay card extender, relay K c is placed in the output port 6 of relay card extender, by industrial computer, regulate high voltage direct current generator and positive and negative adjustable DC power supply, the current value that makes reometer A1 is 16mA, the current value of reometer A2 is 8mA simultaneously, conventionally the voltage of high voltage direct current generator is much larger than the voltage of positive and negative adjustable DC power supply, can ignore the leakage current in unit 3, the voltage of high voltage direct current generator now, be the DC reference voltage of lightning arrester unit 1 when reference current is 8mA, the voltage that the voltage of high voltage direct current generator deducts positive and negative adjustable DC power supply is the DC reference voltage of lightning arrester unit 2 when reference current is 8mA, by industrial computer, regulating the output valve of positive and negative adjustable DC power supply is zero, and then by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 2
8mA, now the reading of reometer A2 is the 0.75U of unit 2
8mAunder leakage current, the output valve that keeps positive and negative adjustable DC power supply is zero, and by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 1
8mA, now the current value of reometer A1 deducts the current value of reometer A2, is the 0.75U of unit 1
8mAunder leakage current.Wherein, the data of reometer A1 and reometer A2 can read by communication module and photoelectric isolation module;
2b) the situation of measuring unit 2 and unit 3, unit 3 and unit 4,
If test lightning arrester unit i(i=2, 3) and the DC reference voltage of unit i+1 and leakage current, relay K a is placed in to the output port i of relay card extender, relay K b is placed in the output port i+1 of relay card extender, relay K c is placed in the output port i-1 of relay card extender, by industrial computer, regulate high voltage direct current generator and positive and negative adjustable DC power supply, the current value that makes reometer A1 is 16mA, the current value of reometer A2 is 8mA simultaneously, conventionally the voltage of high voltage direct current generator is much larger than the voltage of positive and negative adjustable DC power supply, can ignore the leakage current in unit i+2, the voltage of high voltage direct current generator now, be lightning arrester unit i(i=2, 3) DC reference voltage when reference current is 8mA, the voltage that the voltage of high voltage direct current generator deducts positive and negative adjustable DC power supply is the DC reference voltage of lightning arrester unit i+1 when reference current is 8mA, by industrial computer, regulating the output valve of positive and negative adjustable DC power supply is zero, and then by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit i+1
8mA, now the reading of reometer A2 is the 0.75U of unit i+1
8mAunder leakage current, the output valve that keeps positive and negative adjustable DC power supply is zero, and by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit i
8mA, now the current value of reometer A1 deducts the current value of reometer A2, is the 0.75U of unit i
8mAunder leakage current.Wherein, the data of reometer A1 and reometer A2 can read by communication module and photoelectric isolation module;
2c) the situation of measuring unit 4 and unit 5,
If DC reference voltage and the leakage current of test lightning arrester unit 4 and unit 5, relay K a is placed in to the output port 4 of relay card extender, relay K b is placed in the output port 3 of relay card extender, relay K c is placed in the output port 5 of relay card extender, by industrial computer, regulate high voltage direct current generator and positive and negative adjustable DC power supply, the current value that makes reometer A1 is 16mA, the current value of reometer A2 is 8mA simultaneously, conventionally the voltage of high voltage direct current generator is much larger than the voltage of positive and negative adjustable DC power supply, can ignore the leakage current in unit 3, the voltage of high voltage direct current generator now, be the DC reference voltage of lightning arrester unit 5 when reference current is 8mA, the voltage that the voltage of high voltage direct current generator deducts positive and negative adjustable DC power supply is the DC reference voltage of lightning arrester unit 4 when reference current is 8mA, by industrial computer, regulating the output valve of positive and negative adjustable DC power supply is zero, and then by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 5
8mA, now the reading of reometer A2 is the 0.75U of unit 5
8mAunder leakage current, the output valve that keeps positive and negative adjustable DC power supply is zero, and by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 4
8mA, now the current value of reometer A1 deducts the current value of reometer A2, is the 0.75U of unit 4
8mAunder leakage current.Wherein, the data of reometer A1 and reometer A2 can read by communication module and photoelectric isolation module.
In sum, primary connection device and the method for testing of D.C. reference voltage of arrester of the present invention, the test of leakage DC current, easy-to-connect, primary connection can complete all pilot projects, avoid repeatedly changing instrument, change wiring, shorten the time that needs power failure, time saving and energy saving, have a good application prospect.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. test the primary connection device of 1000kV lightning arrester reference voltage and leakage current, it is characterized in that: comprise industrial computer, communication module, high voltage direct current generator, positive and negative adjustable DC power supply, reometer A1, reometer A2 and relay card extender, described industrial computer is connected with positive and negative adjustable DC power supply with high voltage direct current generator respectively by communication module, carries out data communication; After being in series by cable with reometer A1, described high voltage direct current generator is connected with the relay K a on relay card extender; After being in series by cable with reometer A2, described positive and negative adjustable DC power supply is connected with the relay K b on relay card extender; Described relay card extender also comprises relay K c in order to ground connection; Described relay card extender is provided with 6 output interfaces and is connected with tested lightning arrester by p-wire.
2. the primary connection device of test 1000kV lightning arrester reference voltage according to claim 1 and leakage current, is characterized in that: described communication module carries out data communication by photoelectric isolation module and industrial computer, reometer A1, reometer A2, high voltage direct current generator, positive and negative adjustable DC power supply; Described photoelectric isolation module is for converting the electrical signal to light signal and convert light signal to electric signal at data communication process, and opposing electromagnetic interference (EMI); Described communication module is for carrying out filtering and AD/DA conversion to electric signal.
3. the primary connection device of test according to claim 1 1000kV lightning arrester reference voltage and leakage current, it is characterized in that: described relay card extender according to testing requirement by relay K a, thereby relay K b and relay K c join and are communicated with corresponding p-wire from different output interface.
4. the method for utilizing the primary connection device of test 1000kV lightning arrester reference voltage described in claim 1 and leakage current to test, is characterized in that, comprises the following steps:
1): 1000kV lightning arrester consists of 5 joint units in series conventionally, first every joint of tested lightning arrester is connected with corresponding p-wire, and p-wire is connected to the output port of relay card extender;
2): test minute following three kinds of situations:
2a) the situation of test cell 1 and unit 2,
If DC reference voltage and the leakage current of test lightning arrester unit 1 and unit 2, relay K a is placed in to the output port 1 of relay card extender, relay K b is placed in the output port 2 of relay card extender, relay K c is placed in the output port 6 of relay card extender, regulate the output valve of high voltage direct current generator and positive and negative adjustable DC power supply, measure DC reference voltage and the leakage current of lightning arrester unit 1 and unit 2;
2b) the situation of measuring unit 2 and unit 3, unit 3 and unit 4,
Test lightning arrester unit i(i=2,3) and DC reference voltage and the leakage current of unit i+1 if, relay K a is placed in to the output port i of relay card extender, relay K b is placed in the output port i+1 of relay card extender, relay K c is placed in the output port i-1 of relay card extender, regulate the output valve of high voltage direct current generator and positive and negative adjustable DC power supply, measure DC reference voltage and the leakage current of lightning arrester unit i and unit i+1;
2c) the situation of measuring unit 4 and unit 5,
If DC reference voltage and the leakage current of test lightning arrester unit 4 and unit 5, relay K a is placed in to the output port 4 of relay card extender, relay K b is placed in the output port 3 of relay card extender, relay K c is placed in the output port 5 of relay card extender, regulate the output valve of high voltage direct current generator and positive and negative adjustable DC power supply, measure DC reference voltage and the leakage current of lightning arrester unit 4 and unit 5.
5. method of testing according to claim 4, is characterized in that, described situation 2a) and situation 2b), after wiring completes, measure lightning arrester unit i(i=1,2,3) and the DC reference voltage of unit i+1 and the method for leakage current comprise the following steps:
5-1) by industrial computer, regulate high voltage direct current generator and positive and negative adjustable DC power supply, the current value that makes reometer A1 is 16mA, simultaneously the current value of reometer A2 is 8mA, and now the voltage of high voltage direct current generator is lightning arrester unit i(i=1,2,3) DC reference voltage when reference current is 8mA; The voltage that the voltage of high voltage direct current generator deducts positive and negative adjustable DC power supply is the DC reference voltage of lightning arrester unit i+1 when reference current is 8mA;
5-2) by industrial computer, regulating the output valve of positive and negative adjustable DC power supply is zero, and then by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit i+1
8mA, now the reading of reometer A2 is the 0.75U of unit i+1
8mAunder leakage current; The output valve that keeps positive and negative adjustable DC power supply is zero, and by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit i
8mA, now the current value of reometer A1 deducts the current value of reometer A2, is the 0.75U of unit i
8mAunder leakage current;
The data of described reometer A1 and reometer A2 can read by communication module and photoelectric isolation module.
6. method of testing according to claim 4, is characterized in that, described situation 2c) after wiring completes, measure lightning arrester unit 4 and the DC reference voltage of unit 5 and the method for leakage current and comprise the following steps:
6-1) by industrial computer, regulate high voltage direct current generator and positive and negative adjustable DC power supply, the current value that makes reometer A1 is 16mA, the current value of reometer A2 is 8mA simultaneously, and now the voltage of high voltage direct current generator is the DC reference voltage of lightning arrester unit 5 when reference current is 8mA; The voltage that the voltage of high voltage direct current generator deducts positive and negative adjustable DC power supply is the DC reference voltage of lightning arrester unit 4 when reference current is 8mA;
6-2) by industrial computer, regulating the output valve of positive and negative adjustable DC power supply is zero, and then by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 4
8mA, now the reading of reometer A2 is the 0.75U of unit 4
8mAunder leakage current; The output valve that keeps positive and negative adjustable DC power supply is zero, and by industrial computer, regulating the output voltage of high voltage direct current generator is the 0.75U of unit 5
8mA, now the current value of reometer A1 deducts the current value of reometer A2, is the 0.75U of unit 5
8mAunder leakage current;
The data of described reometer A1 and reometer A2 can read by communication module and photoelectric isolation module.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105259445A (en) * | 2015-11-02 | 2016-01-20 | 国网山东省电力公司聊城供电公司 | Automatic test device of zinc oxide arrester with voltage of 35kV and less than 35kV and operation method thereof |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417480Y (en) * | 2000-01-14 | 2001-01-31 | 宜兴市供电局 | On-line testing arrangement for lightning protector |
| CN1971293A (en) * | 2006-11-29 | 2007-05-30 | 李景禄 | Method for measuring heavy current portable grounding resistance and its device |
| CN102193040A (en) * | 2010-12-17 | 2011-09-21 | 青海电力科学试验研究院 | Method for performing insulation preventive test on zinc oxide lightning arrester without dismantling lead wire |
| CN102323558A (en) * | 2011-05-30 | 2012-01-18 | 中国西电电气股份有限公司 | Device and method for calibrating valve direct current residual voltage parameter tester of zinc oxide arrester |
| CN103033652A (en) * | 2012-12-27 | 2013-04-10 | 江苏省电力公司电力科学研究院 | Tester wiring concentration conversion device for vehicle |
| CN103124063A (en) * | 2012-07-13 | 2013-05-29 | 中电普瑞科技有限公司 | Arrester overvoltage protection device with variable voltage ratio and implementation method |
| CN202956399U (en) * | 2012-11-02 | 2013-05-29 | 重庆市电力公司璧山供电局 | Test stand for 10kV lightning arresters |
| CN103197169A (en) * | 2013-02-25 | 2013-07-10 | 河海大学常州校区 | Lightning arrester comprehensive performance detection circuit |
| CN103293409A (en) * | 2013-04-22 | 2013-09-11 | 国家电网公司 | Lightning conductor direct current test method and test platform based on voltage compensation |
| CN203551643U (en) * | 2013-11-13 | 2014-04-16 | 国家电网公司 | One-time wiring apparatus for testing reference voltage and leakage current of 1000-kV lightning arrester |
-
2013
- 2013-11-13 CN CN201310571668.7A patent/CN103630729B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417480Y (en) * | 2000-01-14 | 2001-01-31 | 宜兴市供电局 | On-line testing arrangement for lightning protector |
| CN1971293A (en) * | 2006-11-29 | 2007-05-30 | 李景禄 | Method for measuring heavy current portable grounding resistance and its device |
| CN102193040A (en) * | 2010-12-17 | 2011-09-21 | 青海电力科学试验研究院 | Method for performing insulation preventive test on zinc oxide lightning arrester without dismantling lead wire |
| CN102323558A (en) * | 2011-05-30 | 2012-01-18 | 中国西电电气股份有限公司 | Device and method for calibrating valve direct current residual voltage parameter tester of zinc oxide arrester |
| CN103124063A (en) * | 2012-07-13 | 2013-05-29 | 中电普瑞科技有限公司 | Arrester overvoltage protection device with variable voltage ratio and implementation method |
| CN202956399U (en) * | 2012-11-02 | 2013-05-29 | 重庆市电力公司璧山供电局 | Test stand for 10kV lightning arresters |
| CN103033652A (en) * | 2012-12-27 | 2013-04-10 | 江苏省电力公司电力科学研究院 | Tester wiring concentration conversion device for vehicle |
| CN103197169A (en) * | 2013-02-25 | 2013-07-10 | 河海大学常州校区 | Lightning arrester comprehensive performance detection circuit |
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