CN102621457A - On-line detection method of metal oxide arrester insulating property influencing factor - Google Patents
On-line detection method of metal oxide arrester insulating property influencing factor Download PDFInfo
- Publication number
- CN102621457A CN102621457A CN2012100661999A CN201210066199A CN102621457A CN 102621457 A CN102621457 A CN 102621457A CN 2012100661999 A CN2012100661999 A CN 2012100661999A CN 201210066199 A CN201210066199 A CN 201210066199A CN 102621457 A CN102621457 A CN 102621457A
- Authority
- CN
- China
- Prior art keywords
- metal oxide
- threshold values
- oxide arrester
- current
- insulating property
- 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.)
- Granted
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
本发明公开了一种金属氧化物避雷器绝缘性能影响因素的在线检测方法，首先从金属氧化物避雷器接地引下线中获取泄漏电流的全电流ix(t)，从全电流中分离出阻性电流ir(t)；计算泄漏电流的全电流幅值Ix、阻性电流幅值Ir、阻性电流中的基波电流幅值Ir1和阻性电流中的三次谐波电流幅值Ir3。进一步计算金属氧化物避雷器老化系数β。若满足Ix大于设定值或Ir大于设定值，则判断为金属氧化物避雷器的绝缘性能变差，然后再根据Ir、Ir1、Ir3和β构成判据。该方法能准确判别引起金属氧化物避雷器绝缘性能变差的影响因素，有利于缩短金属氧化物避雷器的停电检修时间，延长金属氧化物使用寿命，对于减少停电损失、保证电力系统安全经济运行具有十分重要的意义。
The invention discloses an online detection method for factors affecting the insulation performance of a metal oxide arrester. First, the full current ix (t) of the leakage current is obtained from the grounding down conductor of the metal oxide arrester, and the resistive property is separated from the full current. Current i r (t); calculate the full current amplitude I x of the leakage current, the resistive current amplitude I r , the fundamental current amplitude I r1 in the resistive current, and the third harmonic current amplitude in the resistive current I r3 . Further calculate the aging coefficient β of the metal oxide arrester. If it is satisfied that I x is greater than the set value or I r is greater than the set value, it is judged that the insulation performance of the metal oxide arrester has deteriorated, and then the criterion is formed according to I r , I r1 , I r3 and β. This method can accurately identify the influencing factors that cause the deterioration of the insulation performance of the metal oxide arrester, which is conducive to shortening the power outage maintenance time of the metal oxide arrester, prolonging the service life of the metal oxide, and is very important for reducing power loss and ensuring the safe and economical operation of the power system. Significance.
Description
Technical field
The present invention relates to the protection field of power equipment, specifically relate to a kind of online test method of metal oxide arrester insulating property influence factor.
Background technology
Metal oxide arrester has good nonlinear characteristic and through-current capability, can protect high voltage electric equipment to avoid superpotential infringement, and wherein, superpotential comprises two types of switching overvoltage and Lightning Over-voltage.Therefore, metal oxide arrester has at home and abroad obtained to use widely in the electrical network as the protection equipment of high voltage electric equipment.
Metal oxide arrester is connected between high-tension line and the earth mat, and the quality of self insulating property directly affects by the safety of protection high voltage electric equipment, thereby influences power system security.At present, the quality of the application of on-line monitoring ability real time reaction metal oxide arrester insulating property can be the state of insulation that electric administrative department provides metal oxide arrester in service in real time, has crucial meaning to guaranteeing power system security.
On-line monitoring technique in using at present is a quality of judging the metal oxide arrester insulating property through the situation of change of the total current of monitoring metal oxide arrester leakage current and current in resistance property.When monitoring metal oxide arrester insulating property variation; Electric administrative department needs this metal oxide arrester interruption maintenance, finds out the factor that causes metal oxide arrester insulating property variation by electric power overhaul department through various electrical test investigations.This way needs the power off time and the repair time of labor, not only wastes a large amount of repair times, shortens metal oxide serviceable life, social economy's loss that also can cause bigger direct loss of outage and cause because of power failure.Therefore; Study a kind of to causing the online test method of metal oxide arrester insulating property variation influence factor; Electric administrative department and the maintenance department formulation metal oxide arrester maintenance scheme that can be provides reliable basis; Thereby help shortening the interruption maintenance time of metal oxide arrester, for reducing loss of outage, guaranteeing that the power system security economical operation has crucial meaning.
Summary of the invention
In order to realize the invention provides a kind of online test method of metal oxide arrester insulating property influence factor to causing the online detection of metal oxide arrester insulating property variation influence factor.
The objective of the invention is to realize through following approach:
The online test method of metal oxide arrester insulating property influence factor, its main points are, comprise following sequential steps:
(1) electric quantity collector and the calculation processing apparatus that is attached thereto are provided, electric quantity collector obtains the total current i of leakage current from the metal oxide arrester down conductor
x(t), and send calculation processing apparatus to, calculation processing apparatus utilizes Fourier algorithm to calculate total current i
x(t) amplitude I
x
(2) simultaneously, calculation processing apparatus is from leakage current total current i
x(t) extract current in resistance property i in
r(t), utilize Fourier algorithm to calculate current in resistance property i
r(t) amplitude I
r, the first-harmonic current in resistance property amplitude I
R1Amplitude I with the third harmonic current in resistance property
R3
(3) further, calculation processing apparatus is according to the amplitude I of first-harmonic current in resistance property
R1Amplitude I with the third harmonic current in resistance property
R3Calculate metal oxide arrester aging coefficient β value;
(4) the data analysis judgment means that is connected with calculation processing apparatus is provided, this data analysis judgment means is connected with standard apparatus, and this standard apparatus internal memory contains each current threshold of setting, comprises the total current threshold values I of leakage current
Xset, current in resistance property threshold values I
Rset, first-harmonic current in resistance property threshold values I
R1setWith third harmonic current in resistance property I
R3set, the data analysis judgment means is judged according to the current threshold that is provided with in the standard apparatus: I
xWhether greater than threshold values I
XsetOr I
rWhether greater than threshold values I
Rset, if then get into step (5) and do further judgement; Otherwise, then return step (1);
(5) data analysis judgment means is connected with storer and output display device respectively; Store all kinds of analysis results in the storer to judge; Behind the discriminatory analysis of data analysis judgment means; To from storer, extract corresponding analysis data and be sent to output display device, the further analysis of data analysis judgment means is following: if I
xGreater than threshold values I
Xset, the insulating property that then are judged as metal oxide arrester are variation seriously, need not the factor that causes metal oxide arrester insulating property variation is differentiated the metal oxide arrester that directly more renews; If I
rLess than threshold values I
Xset, then utilize I
r, I
R1, I
R3Differentiate causing metal oxide arrester insulating property variation influence factor with β, concrete criterion is following:
A) if I
rGreater than threshold values I
RsetAnd change lessly in time, then be judged as by internal wetted and cause metal oxide arrester insulating property variation;
B) if I
rOnly in setting-up time greater than threshold values I
Rset, then be judged as by filth and cause metal oxide arrester insulating property variation;
C) if I
rTransient state is greater than threshold values I
Rset, then be judged as by interim rising of voltage dependent resistor (VDR) actuator temperature and cause the metal oxide arrester decreasing insulating;
D) if I
rSpike occurs, then be judged as by shelf depreciation takes place between resistor disc and the insulator and cause metal oxide arrester insulating property variation;
E) if I
rGreater than threshold values I
Rset, I
R1Greater than threshold values I
R1set, I
R3Greater than threshold values I
R3setWith aging coefficient β greater than threshold values β
Set, then be judged as the insulating property deficiency that causes metal oxide arrester by the metal oxide quality problems;
F) if I
rGreater than threshold values I
Rset, I
R1Greater than threshold values I
R1set, I
R3Greater than threshold values I
R3setWith aging coefficient β less than threshold values β
Set, then be judged as inner serious aging and cause that the insulating property of metal oxide arrester are not enough;
G) if I
rLess than threshold values I
Rset, I
R1Less than threshold values I
R1setAnd I
R3Greater than threshold values I
R3setAnd aging coefficient β is less than threshold values β
Set, then be judged as inner premature ageing and cause that the insulating property of metal oxide arrester are not enough.
Technique scheme has following beneficial effect:
The harmonic information of comprehensive utilization metal oxide arrester leakage current (comprising fundamental current and the triple harmonic current in the current in resistance property in leakage current total current, current in resistance property, the current in resistance property); And combination metal oxide arrester aging coefficient; Influence factor to causing metal oxide arrester insulating property variation is accurately differentiated; For formulating metal oxide arrester maintenance scheme reliable basis is provided; Thereby help shortening the interruption maintenance time of metal oxide arrester, prolong metal oxide serviceable life, for reducing loss of outage, guaranteeing that the power system security economical operation has crucial meaning.
Description of drawings
Fig. 1 is the process flow diagram of the online test method of a kind of metal oxide arrester insulating property influence factor of providing of the embodiment of the invention.
Shown in Figure 2 is the framed structure synoptic diagram of on-line measuring device in the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, embodiment of the present invention is done detailed description further below in conjunction with accompanying drawing.
In the online test method of metal oxide arrester insulating property influence factor according to the invention a kind of on-line measuring device is provided; This pick-up unit includes electric quantity collector, calculation processing apparatus, data analysis judgment means and the output display device that connects in regular turn, and wherein data analysis judgment means also connects standard apparatus that stores the setting current threshold and the storer that stores all kinds of analysis and judgement structures respectively.At first electric quantity collector is through obtaining the total current i of leakage current from the metal oxide arrester down conductor
x(t), calculation processing apparatus is according to total current i
x(t) reach the current in resistance property i that extracts from wherein
r(t), utilize Fourier algorithm to calculate the total current amplitude I of leakage current
x, current in resistance property amplitude I
r, the fundamental current amplitude I in the current in resistance property
R1With the triple harmonic current amplitude I in the current in resistance property
R3, and further utilize the fundamental current amplitude I in the current in resistance property
R1With the triple harmonic current amplitude I in the current in resistance property
R3Calculate metal oxide arrester aging coefficient β.If satisfy I
xGreater than threshold values I
XsetOr I
rGreater than threshold values I
Rset, then be judged as the insulating property variation of metal oxide arrester, and then utilize current in resistance property amplitude I
r, the fundamental current amplitude I in the current in resistance property
R1, the triple harmonic current amplitude I in the current in resistance property
R3Constitute criterion with metal oxide arrester insulation ag(e)ing factor beta; Accurately differentiate the influence factor that causes metal oxide arrester insulating property variation; The data analysis judgment means will be extracted corresponding analysis data and be sent to output display device behind discriminatory analysis from storer.
Referring to Fig. 1, below specify the job step of calculation processing apparatus and data analysis judgment means:
1, from the metal oxide arrester down conductor, obtains the total current i of leakage current
x(t), utilize Fourier algorithm to calculate total current i
x(t) amplitude I
x
2, from leakage current total current i
x(t) isolate current in resistance property i in
r(t), utilize Fourier algorithm to calculate current in resistance property i
r(t) amplitude I
rWherein, from leakage current total current i
x(t) isolate current in resistance property i in
r(t) calculating formula is suc as formula (1).
Wherein, I
XmBe i
x(t) first maximal value after the waveform zero passage; T is any time; T is i
x(t) constant cycle length; t
0Be i
x(t) the pairing time of first maximal value after the waveform zero passage.
3, utilize Fourier algorithm to calculate current in resistance property i
r(t) the first-harmonic current in resistance property i in
R1(t) amplitude I
R1i
r(t) be made up of with each odd harmonic electric current the first-harmonic of current in resistance property, the expansion of its Fourier series is suc as formula (2).
Utilize Fourier algorithm to calculate current in resistance property i
r(t) the first-harmonic current in resistance property i in
R1(t) amplitude I
R1Suc as formula (3).
Utilize Fourier algorithm to calculate current in resistance property i
r(t) the third harmonic current in resistance property i in
R3(t) amplitude I
R3Suc as formula (4).
4, utilize I
R1And I
R3Calculate metal oxide arrester aging coefficient β value, the calculating formula of β is suc as formula (5).
5, if I
xGreater than threshold values I
XsetOr I
rGreater than threshold values I
Rset, then be judged as metal oxide arrester insulating property variation, get into step 6; Otherwise, then return step 1;
7, if I
xGreater than threshold values I
Xset, the insulating property that then are judged as metal oxide arrester are variation seriously, need not the factor that causes metal oxide arrester insulating property variation is differentiated the metal oxide arrester that directly more renews; Otherwise, utilize I
r, I
R1, I
R3Differentiate causing metal oxide arrester insulating property variation influence factor with β, concrete criterion is following:
A) if I
rGreater than threshold values I
RsetAnd change less (calculating I in time
rThe linear angle of change curve), then be judged as by internal wetted and cause metal oxide arrester insulating property variation;
B) if I
rOnly in setting-up time greater than threshold values I
Rset, then be judged as by filth and cause metal oxide arrester insulating property variation;
C) if I
rTransient state is greater than threshold values I
RsetWhether (calculate its greater than the number of times of threshold values or its time that is in threshold values less than setting-up time) then is judged as by interim rising of voltage dependent resistor (VDR) actuator temperature and causes the metal oxide arrester decreasing insulating;
D) if I
rSpike occurs and (analyze I
rWhether surpass the pulse value of setting, and the time that this value occurs), then be judged as by shelf depreciation takes place between resistor disc and the insulator and cause metal oxide arrester insulating property variation;
E) if I
rGreater than threshold values I
Rset, I
R1Greater than threshold values I
R1set, I
R3Greater than threshold values I
R3setWith aging coefficient β greater than threshold values β
Set, then be judged as the insulating property deficiency that causes metal oxide arrester by the metal oxide quality problems;
F) if I
rGreater than threshold values I
Rset, I
R1Greater than threshold values I
R1set, I
R3Greater than threshold values I
R3setWith aging coefficient β less than threshold values β
Set, then be judged as inner serious aging and cause that the insulating property of metal oxide arrester are not enough;
G) if I
rLess than threshold values I
Rset, I
R1Less than threshold values I
R1setAnd I
R3Greater than threshold values I
R3setAnd aging coefficient β is less than threshold values β
Set, then be judged as inner premature ageing and cause that the insulating property of metal oxide arrester are not enough.
The harmonic information of the inventive method comprehensive utilization metal oxide arrester leakage current (comprising fundamental current and the triple harmonic current in the current in resistance property in leakage current total current, current in resistance property, the current in resistance property); And combination metal oxide arrester aging coefficient; Influence factor to causing metal oxide arrester insulating property variation is accurately differentiated; For formulating metal oxide arrester maintenance scheme reliable basis is provided; Thereby help shortening the interruption maintenance time of metal oxide arrester, prolong metal oxide serviceable life, for reducing loss of outage, guaranteeing that the power system security economical operation has crucial meaning.
The above is merely preferred embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any technician who is familiar with the present technique field is in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (2)
1. the online test method of a metal oxide arrester insulating property influence factor is characterized in that, comprises following sequential steps:
(1) electric quantity collector and the calculation processing apparatus that is attached thereto are provided, electric quantity collector obtains the total current i of leakage current from the metal oxide arrester down conductor
x(t), and send calculation processing apparatus to, calculation processing apparatus utilizes Fourier algorithm to calculate total current i
x(t) amplitude I
x
(2) simultaneously, calculation processing apparatus is from leakage current total current i
x(t) extract current in resistance property i in
r(t), utilize Fourier algorithm to calculate current in resistance property i
r(t) amplitude I
r, the first-harmonic current in resistance property amplitude I
R1Amplitude I with the third harmonic current in resistance property
R3
(3) further, calculation processing apparatus is according to the amplitude I of first-harmonic current in resistance property
R1Amplitude I with the third harmonic current in resistance property
R3Calculate metal oxide arrester aging coefficient β value;
(4) the data analysis judgment means that is connected with calculation processing apparatus is provided, this data analysis judgment means is connected with standard apparatus, and this standard apparatus internal memory contains each current threshold of setting, comprises the total current threshold values I of leakage current
Xset, current in resistance property threshold values I
Rset, first-harmonic current in resistance property threshold values I
R1setWith third harmonic current in resistance property I
R3set, the data analysis judgment means is judged according to the current threshold that is provided with in the standard apparatus: I
xWhether greater than threshold values I
XsetOr I
rWhether greater than threshold values I
Rset, if then get into step (5) and do further judgement; Otherwise, then return step (1);
(5) data analysis judgment means is connected with storer and output display device respectively; Store all kinds of analysis results in the storer to judge; Behind the discriminatory analysis of data analysis judgment means; To from storer, extract corresponding analysis data and be sent to output display device, the further analysis of data analysis judgment means is following: if I
xGreater than threshold values I
Xset, the insulating property that then are judged as metal oxide arrester are variation seriously, need not the factor that causes metal oxide arrester insulating property variation is differentiated the metal oxide arrester that directly more renews; If I
rLess than threshold values I
Xset, then utilize I
r, I
R1, I
R3Differentiate causing metal oxide arrester insulating property variation influence factor with β, the concrete analysis criterion is following:
A) if I
rGreater than threshold values I
RsetAnd change lessly in time, then be judged as by internal wetted and cause metal oxide arrester insulating property variation;
B) if I
rOnly in setting-up time greater than threshold values, then be judged as by filth and cause metal oxide arrester insulating property variation;
C) if I
rTransient state is greater than threshold values I
Rset, then be judged as by interim rising of voltage dependent resistor (VDR) actuator temperature and cause the metal oxide arrester decreasing insulating;
D) if I
rSpike occurs, then be judged as by shelf depreciation takes place between resistor disc and the insulator and cause metal oxide arrester insulating property variation;
E) if I
rGreater than threshold values I
Rset, I
R1Greater than threshold values I
R1set, I
R3Greater than threshold values I
R3setWith aging coefficient β greater than threshold values β
Set, then be judged as the insulating property deficiency that causes metal oxide arrester by the metal oxide quality problems;
F) if I
rGreater than threshold values I
Rset, I
R1Greater than threshold values I
R1set, I
R3Greater than threshold values I
R3setWith aging coefficient β less than threshold values β
Set, then be judged as inner serious aging and cause that the insulating property of metal oxide arrester are not enough;
G) if I
rLess than threshold values I
Rset, I
R1Less than threshold values I
R1setAnd I
R3Greater than threshold values I
R3setAnd aging coefficient β is less than threshold values β
Set, then be judged as inner premature ageing and cause that the insulating property of metal oxide arrester are not enough.
2. the online test method of a kind of metal oxide arrester insulating property influence factor according to claim 1 is characterized in that, utilizes I in the step (5)
R1And I
R3The calculating formula of calculating metal oxide arrester aging coefficient β value does
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210066199 CN102621457B (en) | 2012-03-13 | 2012-03-13 | On-line detection method of metal oxide arrester insulating property influencing factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210066199 CN102621457B (en) | 2012-03-13 | 2012-03-13 | On-line detection method of metal oxide arrester insulating property influencing factor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102621457A true CN102621457A (en) | 2012-08-01 |
| CN102621457B CN102621457B (en) | 2013-12-25 |
Family
ID=46561488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210066199 Active CN102621457B (en) | 2012-03-13 | 2012-03-13 | On-line detection method of metal oxide arrester insulating property influencing factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102621457B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777102A (en) * | 2014-02-18 | 2014-05-07 | 国家电网公司 | Detection method for insulation performance of arrester considering tertiary voltage harmonic influence |
| CN104698311A (en) * | 2015-02-25 | 2015-06-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | System and method for electrically detecting DC arrester of DC circuit |
| CN104698278A (en) * | 2015-02-25 | 2015-06-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Alternating current line alternating current lightning arrester live detection system and method |
| CN105319451A (en) * | 2014-06-25 | 2016-02-10 | 国家电网公司 | Running state detecting method and apparatus of zinc oxide arrester |
| CN106018998A (en) * | 2016-05-12 | 2016-10-12 | 广东电网有限责任公司电力科学研究院 | Lightning arrester test method and lightning arrester test system |
| CN106066437A (en) * | 2016-07-08 | 2016-11-02 | 南京信息工程大学 | A kind of on-line monitoring device of metallic oxide arrester and monitoring method thereof |
| CN107367673A (en) * | 2017-08-16 | 2017-11-21 | 上海电力学院 | A kind of arrester valve piece resistance running status diagnostic method |
| CN107860986A (en) * | 2017-09-21 | 2018-03-30 | 天津市电力科技发展有限公司 | A kind of Zinc-Oxide Arrester aging assessment |
| CN108459228A (en) * | 2018-01-11 | 2018-08-28 | 东南大学 | A kind of 10KV metal oxide arresters line detection system for failure and method |
| CN108989908A (en) * | 2018-05-18 | 2018-12-11 | 云南电网有限责任公司电力科学研究院 | A kind of Surge Protector replacing options and device for communication base station |
| CN110011271A (en) * | 2017-12-01 | 2019-07-12 | Ls产电株式会社 | Earth leakage breaker |
| CN111308296A (en) * | 2020-04-16 | 2020-06-19 | 国网山西省电力公司电力科学研究院 | A method for evaluating the state of arrester valve slices |
| CN111505420A (en) * | 2020-04-29 | 2020-08-07 | 国网陕西省电力公司电力科学研究院 | A method and system for online monitoring and diagnosis of line arrester status |
| CN112066516A (en) * | 2020-08-03 | 2020-12-11 | 珠海格力电器股份有限公司 | Air conditioner, fault self-diagnosis method, external unit positioning fault method and remote controller |
| CN112731041A (en) * | 2021-01-11 | 2021-04-30 | 西南交通大学 | Lightning arrester safety risk assessment method considering pollution accumulation factor of porcelain jacket |
| CN112946525A (en) * | 2021-04-02 | 2021-06-11 | 国家电网有限公司 | Metal oxide arrester surface pollution online detection method |
| CN116430157A (en) * | 2023-05-18 | 2023-07-14 | 广东电网有限责任公司 | Method, device, equipment and storage medium for online determination of aging state of arrester |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7167007B2 (en) * | 2004-04-07 | 2007-01-23 | Georgia Tech Research Corporation | Apparatus and method for field testing MOV arresters |
| CN101359016A (en) * | 2007-07-31 | 2009-02-04 | 上海电气自动化设计研究所有限公司 | Method for detecting resistance leakage current of lightning arrester without voltage reference |
| CN101403777A (en) * | 2008-11-05 | 2009-04-08 | 四川电力试验研究院 | Resistive current tester for great current zinc oxide lightning arrester |
| JP4255105B2 (en) * | 2002-09-24 | 2009-04-15 | 東光電気株式会社 | Electricity detection and deterioration diagnosis device |
| CN101430349A (en) * | 2008-12-09 | 2009-05-13 | 东北电力科学研究院有限公司 | Novel method for measuring resistive current of gapless metal-oxide lighting arrester |
| CN101533041A (en) * | 2009-04-10 | 2009-09-16 | 李新育 | Method for online separately detecting resistive leakage current of non-voltage reference source |
| CN101986164A (en) * | 2010-09-20 | 2011-03-16 | 华北电力大学（保定） | Method for extracting resistive current of metal oxide arrester (MOA) |
| CN102043084A (en) * | 2010-12-06 | 2011-05-04 | 上海思盛信息科技事务所 | Method for detecting resistive current of lightning arrester |
| CN102156241A (en) * | 2011-05-31 | 2011-08-17 | 江苏省电力公司连云港供电公司 | On-line monitoring unit for leakage current of zinc oxide arrester |
-
2012
- 2012-03-13 CN CN 201210066199 patent/CN102621457B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4255105B2 (en) * | 2002-09-24 | 2009-04-15 | 東光電気株式会社 | Electricity detection and deterioration diagnosis device |
| US7167007B2 (en) * | 2004-04-07 | 2007-01-23 | Georgia Tech Research Corporation | Apparatus and method for field testing MOV arresters |
| CN101359016A (en) * | 2007-07-31 | 2009-02-04 | 上海电气自动化设计研究所有限公司 | Method for detecting resistance leakage current of lightning arrester without voltage reference |
| CN101403777A (en) * | 2008-11-05 | 2009-04-08 | 四川电力试验研究院 | Resistive current tester for great current zinc oxide lightning arrester |
| CN101430349A (en) * | 2008-12-09 | 2009-05-13 | 东北电力科学研究院有限公司 | Novel method for measuring resistive current of gapless metal-oxide lighting arrester |
| CN101533041A (en) * | 2009-04-10 | 2009-09-16 | 李新育 | Method for online separately detecting resistive leakage current of non-voltage reference source |
| CN101986164A (en) * | 2010-09-20 | 2011-03-16 | 华北电力大学（保定） | Method for extracting resistive current of metal oxide arrester (MOA) |
| CN102043084A (en) * | 2010-12-06 | 2011-05-04 | 上海思盛信息科技事务所 | Method for detecting resistive current of lightning arrester |
| CN102156241A (en) * | 2011-05-31 | 2011-08-17 | 江苏省电力公司连云港供电公司 | On-line monitoring unit for leakage current of zinc oxide arrester |
Non-Patent Citations (4)
| Title |
|---|
| 叶圣尧: "避雷器在线检测技术研究", 《电气开关》 * |
| 吴红蕾等: "氧化锌避雷器几种检测技术探讨", 《湖州师范学院学报》 * |
| 朱焕杰等: "金属氧化物避雷器的运行故障分析及监测方法", 《绝缘材料》 * |
| 蔡翊涛: "氧化锌避雷器运行电压下测量阻性电流", 《青海电力》 * |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103777102A (en) * | 2014-02-18 | 2014-05-07 | 国家电网公司 | Detection method for insulation performance of arrester considering tertiary voltage harmonic influence |
| CN105319451A (en) * | 2014-06-25 | 2016-02-10 | 国家电网公司 | Running state detecting method and apparatus of zinc oxide arrester |
| CN105319451B (en) * | 2014-06-25 | 2018-06-05 | 国家电网公司 | The detection method and device of Zinc oxide lightning arrester operation state |
| CN104698278B (en) * | 2015-02-25 | 2018-03-09 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of alternating current circuit alternating-current lightning arrestor electrification detection system and method |
| CN104698311A (en) * | 2015-02-25 | 2015-06-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | System and method for electrically detecting DC arrester of DC circuit |
| CN104698278A (en) * | 2015-02-25 | 2015-06-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Alternating current line alternating current lightning arrester live detection system and method |
| CN104698311B (en) * | 2015-02-25 | 2018-05-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC line direct current arrester live detection method |
| CN106018998B (en) * | 2016-05-12 | 2018-12-14 | 广东电网有限责任公司电力科学研究院 | A kind of arrester test method and system |
| CN106018998A (en) * | 2016-05-12 | 2016-10-12 | 广东电网有限责任公司电力科学研究院 | Lightning arrester test method and lightning arrester test system |
| CN106066437A (en) * | 2016-07-08 | 2016-11-02 | 南京信息工程大学 | A kind of on-line monitoring device of metallic oxide arrester and monitoring method thereof |
| CN106066437B (en) * | 2016-07-08 | 2018-11-23 | 南京信息工程大学 | A kind of on-line monitoring device of metallic oxide arrester and its monitoring method |
| CN107367673A (en) * | 2017-08-16 | 2017-11-21 | 上海电力学院 | A kind of arrester valve piece resistance running status diagnostic method |
| CN107367673B (en) * | 2017-08-16 | 2019-06-04 | 上海电力学院 | A method for diagnosing the operating state of arrester valve plate resistance |
| CN107860986A (en) * | 2017-09-21 | 2018-03-30 | 天津市电力科技发展有限公司 | A kind of Zinc-Oxide Arrester aging assessment |
| CN110011271A (en) * | 2017-12-01 | 2019-07-12 | Ls产电株式会社 | Earth leakage breaker |
| CN110011271B (en) * | 2017-12-01 | 2021-06-04 | Ls产电株式会社 | Earth leakage circuit breaker |
| CN108459228A (en) * | 2018-01-11 | 2018-08-28 | 东南大学 | A kind of 10KV metal oxide arresters line detection system for failure and method |
| CN108989908A (en) * | 2018-05-18 | 2018-12-11 | 云南电网有限责任公司电力科学研究院 | A kind of Surge Protector replacing options and device for communication base station |
| CN111308296B (en) * | 2020-04-16 | 2021-05-11 | 国网山西省电力公司电力科学研究院 | A method for evaluating the state of arrester valve slices |
| CN111308296A (en) * | 2020-04-16 | 2020-06-19 | 国网山西省电力公司电力科学研究院 | A method for evaluating the state of arrester valve slices |
| CN111505420A (en) * | 2020-04-29 | 2020-08-07 | 国网陕西省电力公司电力科学研究院 | A method and system for online monitoring and diagnosis of line arrester status |
| CN112066516A (en) * | 2020-08-03 | 2020-12-11 | 珠海格力电器股份有限公司 | Air conditioner, fault self-diagnosis method, external unit positioning fault method and remote controller |
| CN112066516B (en) * | 2020-08-03 | 2021-08-20 | 珠海格力电器股份有限公司 | Air conditioner, fault self-diagnosis method, external unit positioning fault method and remote controller |
| CN112731041A (en) * | 2021-01-11 | 2021-04-30 | 西南交通大学 | Lightning arrester safety risk assessment method considering pollution accumulation factor of porcelain jacket |
| CN112731041B (en) * | 2021-01-11 | 2021-11-26 | 西南交通大学 | Lightning arrester safety risk assessment method considering pollution accumulation factor of porcelain jacket |
| CN112946525A (en) * | 2021-04-02 | 2021-06-11 | 国家电网有限公司 | Metal oxide arrester surface pollution online detection method |
| CN112946525B (en) * | 2021-04-02 | 2022-08-09 | 国家电网有限公司 | Metal oxide arrester surface pollution online detection method |
| CN116430157A (en) * | 2023-05-18 | 2023-07-14 | 广东电网有限责任公司 | Method, device, equipment and storage medium for online determination of aging state of arrester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102621457B (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102621457A (en) | On-line detection method of metal oxide arrester insulating property influencing factor | |
| CN201229389Y (en) | Cable sheath insulation on-line monitoring device | |
| CN105426671B (en) | The reliability evaluating method of overhead distribution under a kind of Thunderstorm Weather | |
| CN102023249A (en) | Method for performing preventive test without detaching high-voltage lead of 220-kV zinc oxide arrestor | |
| CN102721891B (en) | Test device for non-liner resistor type resonance eliminator | |
| CN103728481B (en) | Method and device for detecting metal oxide arrester resistive current | |
| CN103454517A (en) | Method for online monitoring capacitive voltage transformers | |
| CN104407286A (en) | Method for monitoring mechanical states of high-voltage isolating switches and emitting warning | |
| CN102830319A (en) | Device and method for on-line inspection on insulation state of zinc oxide arrester | |
| CN204269746U (en) | A MOA arrester online monitoring device | |
| CN104698311B (en) | A kind of DC line direct current arrester live detection method | |
| CN103323647A (en) | Device and method for monitoring classified insulation electromagnetic type PT primary side current | |
| CN102636768B (en) | A kind of lightning arrester on-line computing model on-line testing method | |
| CN104655969A (en) | Zinc oxide arrester online monitoring system | |
| CN103901309A (en) | Test method for high-voltage lead uncleared test device of 220-kV zinc oxide arrester | |
| CN104049161A (en) | Testing connecting structure and testing method for substation field lightning arrester without demounting primary high-voltage lead | |
| CN103412190B (en) | Switch-class device state evaluation method based on parameter on-line identification | |
| CN202141752U (en) | Online monitoring device for metal zinc oxide lightning arrester | |
| CN109188092B (en) | A test method for soil dynamic resistance characteristics at different temperatures | |
| CN105678440A (en) | Calculation method of power transmission and transformation equipment failure rate based on multi-source information fusion | |
| CN203479976U (en) | Transformer winding discharge test apparatus | |
| CN204101663U (en) | Lightning arrester with electrical testing meter | |
| CN205229328U (en) | Off -line zinc oxide arrester tester | |
| CN204679591U (en) | A kind of leakage conductor state measuring device with electricity based on electric field method | |
| CN103308753A (en) | On-line overvoltage monitoring system based on switching surge current of lightning arrester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN ELECTRIC POWER CO., LTD. FUJIAN ELECTRIC PO Effective date: 20121121 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: FUJIAN ELECTRIC POWER CO., LTD., PUTIAN ELECTRIC BUREAU Effective date: 20121121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 351100 PUTIAN, FUJIAN PROVINCE TO: 100761 DONGCHENG, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20121121 Address after: 100761 West Chang'an Avenue, Beijing, No. 86 Applicant after: State Grid Corporation of China Applicant after: Fujian Electric Power Co., Ltd. Applicant after: Putian Electric Power Bureau, Fujian Electric Power Co. Ltd. Address before: 351100 Putian province Fujian city Chengxiang District Nanyuan Xia Lin Street Road No. 999 Applicant before: Putian Electric Power Bureau, Fujian Electric Power Co. Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |