CN103675745A - Checking system of on-line monitoring device for zinc oxide arrester and capacitive equipment - Google Patents
Checking system of on-line monitoring device for zinc oxide arrester and capacitive equipment Download PDFInfo
- Publication number
- CN103675745A CN103675745A CN201310695852.2A CN201310695852A CN103675745A CN 103675745 A CN103675745 A CN 103675745A CN 201310695852 A CN201310695852 A CN 201310695852A CN 103675745 A CN103675745 A CN 103675745A
- Authority
- CN
- China
- Prior art keywords
- module
- current
- phase
- signal
- monitor device
- 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
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 26
- 238000012806 monitoring device Methods 0.000 title abstract 6
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 229960001296 zinc oxide Drugs 0.000 claims description 24
- 230000003993 interaction Effects 0.000 claims description 8
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000012795 verification Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- DLINORNFHVEIFE-UHFFFAOYSA-N hydrogen peroxide;zinc Chemical compound [Zn].OO DLINORNFHVEIFE-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 229940105296 zinc peroxide Drugs 0.000 description 1
Images
Abstract
The invention discloses a checking system of an on-line monitoring device for a zinc oxide arrester and capacitive equipment. The checking system comprises a genlock module, a control module, a signal generating module and a signal coupling mode, wherein the genlock module generates waveform data according to operating voltage of an electric system, the control module outputs current control commands and phase control commands according to a preset instruction and the waveform data, according to the current control commands and the phase control commands, the signal generating module generates current signals which are synchronous with the frequency of the operating voltage of the electric system and have a certain phase, and the signal coupling module couples the current signals to a current measuring sensor of the on-line monitoring device. In the actual checking process on site, a corresponding parameter value of the on-line monitoring device is firstly read, the checking system then outputs the current signals which are synchronous with the frequency of the operating voltage and have the certain phase and amplitude, at the moment, a displaying value of the on-line monitoring device is read, an error value is obtained through comparison between the corresponding parameter value and the displaying value, and the magnitude of the on-line monitoring device is corrected according to the error value.
Description
Technical field
The application relates to power technology field, more particularly, relates to the check system of the on-Line Monitor Device of a kind of Zinc-Oxide Arrester and capacitive apparatus.
Background technology
Electric system is one and to links such as electricity consumptions, forms bulky systems from generating, transmission of electricity, power transformation, distribution, in each link, between link, the reliability of equipment and operation conditions, by directly affecting the stable and safety of whole system, also affect the quality of power supply and power supply reliability simultaneously.Zinc-Oxide Arrester is because of its superior nonlinear characteristic and through-current capability. is widely used in electric system.Operating lightning arrester is because of internal wetted or bear for a long time the insulation defect such as aging occurring under working voltage and superpotential effect, all can cause the resistive component in lightning arrester ac leakage current to increase, thus accelerated deterioration process.The aging of Zinc-Oxide Arrester is very dangerous in electric system, as found not in time, overhauled or changes, and will lead to serious accident.
In addition, in high voltage device of transformer station, the quantity of capacitive apparatus (as transformer, sleeve pipe, CT, CVT etc.) accounts for 40%～50% of primary equipment, and proportion is larger.Although capacitive apparatus insulated deteriorated be the process of a gradual change, as find and overhaul not in time, just may cause sudden accident, cause huge economic loss.
, must monitor with insulating property capacitive apparatus Zinc-Oxide Arrester for this reason, mainly by on-Line Monitor Device, operating Zinc-Oxide Arrester and capacitive apparatus be obtained at present the basic data of its health status of reflection.Thereby the metering performance of on-Line Monitor Device seem accurately and reliably very important, otherwise the basic data that directly leads to errors is obtained and the formulation of error condition maintenance decision, to system and user, cause heavy economic losses.
After on-Line Monitor Device is installed on scene, for a long time in running status, as shown in Figure 1.C and R connect equivalent Zinc-Oxide Arrester 10 or capacitive apparatus 10.The voltage reference signal of on-Line Monitor Device 20 derives from on-the-spot voltage transformer (VT) 23, current signal derives from the current sensor 21 of monitoring stream zinc peroxide lightning arrester or capacitive apparatus electric current, is connected respectively by wire with voltage input end 24, the current input terminal 22 of on-Line Monitor Device 20.Because its mode of connection does not allow change, how to realize to its detect error carry out online detect using as calibration according to just becoming a difficult problem urgently to be resolved hurrily.
Summary of the invention
In view of this, the application provides the check system of a kind of Zinc-Oxide Arrester and capacitive apparatus on-Line Monitor Device, for realizing at the scene, the value of Zinc-Oxide Arrester and capacitive apparatus on-Line Monitor Device is carried out to measurement and calibration.
To achieve these goals, the existing scheme proposing is as follows:
A check system for the on-Line Monitor Device of Zinc-Oxide Arrester and capacitive apparatus, comprising:
Genlock module, for generating Wave data according to the voltage signal of the working voltage of electric system;
Control module, according to preset instructions and described Wave data output current control command and phase control order;
Signal generating module, for exporting predetermined current signal according to described Current Control order and phase control order, the frequency of described current signal and the Frequency Synchronization of described voltage signal, and there is certain phase differential;
Wire, for producing extra current signal according to described current signal at the current sensor of described on-Line Monitor Device;
First read the parameter value that described on-Line Monitor Device shows, then export described current signal, then read the displayed value of described on-Line Monitor Device, the difference of described parameter value and described parameter value is the measuring error of described on-Line Monitor Device.
Preferably, described genlock module is the phase-locked module of three-phase synchronous, for generating triphasic wave graphic data according to the three-phase voltage signal of the three-phase operation voltage of electric system.
Preferably, described control module is Multichannel controller module.
Preferably, described signal generating module is three-phase signal generation module, for exporting three-phase predetermined current signal according to described preset instructions and described Wave data.
Preferably, also comprise output protection module, for receiving the current signal of described signal generating module output, and described current signal is exported to described signal coupling module.
Preferably, also comprise:
Conventional control module, for exporting conventional control command to described control module;
Described control module is controlled described signal generating module by output protection module output three-phase voltage signal according to described conventional control command, and the three-phase current signal that matches of phase place and described three-phase voltage signal.
Preferably, also comprise human-computer interaction device, for exporting described preset instructions to described control module.
Preferably, described human-computer interaction device comprises:
Display unit, for showing the parameter of described voltage signal, current signal, described parameter comprises voltage, total current, phase place, current in resistance property, capacity current, electric capacity and/or dielectric dissipation factor;
Keyboard, for exporting described preset instructions.
From above-mentioned technical scheme, can find out, the check system of the on-Line Monitor Device of the disclosed Zinc-Oxide Arrester of the application and capacitive apparatus comprises genlock module, control module, signal generating module and signal coupling module, genlock module produces Wave data according to the working voltage of electric system, control module is according to preset instructions and Wave data output current control command and phase control order, signal generating module is according to the working voltage Frequency Synchronization of Current Control order and phase control order generation and electric system and have the current signal of a phase bit, signal coupling module is coupled to current signal in on-Line Monitor Device current metering sensor, in the situation that check system no signal current is exported, read on-Line Monitor Device relevant parameter value, the certain amplitude with working voltage Frequency Synchronization by check system output then, the current signal of phase place, calculate both theoretical vector composite values, now read again on-Line Monitor Device displayed value, by both, relatively draw error amount, reach the value calibration to Zinc-Oxide Arrester and capacitive apparatus on-Line Monitor Device.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the field wiring figure of Zinc-Oxide Arrester and capacitive apparatus on-Line Monitor Device;
Fig. 2 is the structural drawing of the disclosed a kind of Zinc-Oxide Arrester of the embodiment of the present application and capacitive apparatus on-Line Monitor Device check system;
Fig. 3 is the field wiring figure of the disclosed Zinc-Oxide Arrester of the embodiment of the present application and capacitive apparatus on-Line Monitor Device check system;
Fig. 4 is the structural drawing of the disclosed a kind of Zinc-Oxide Arrester of another embodiment of the application and capacitive apparatus on-Line Monitor Device check system;
Fig. 5 is the structural drawing of checking system of the on-Line Monitor Device of the disclosed a kind of Zinc-Oxide Arrester of the another embodiment of the application or capacitive apparatus;
Fig. 6 is the structural drawing of the disclosed a kind of Zinc-Oxide Arrester of the another embodiment of the application and capacitive apparatus on-Line Monitor Device check system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Embodiment mono-
Fig. 2 is the structural drawing of the disclosed a kind of Zinc-Oxide Arrester of the embodiment of the present application and capacitive apparatus on-Line Monitor Device check system.
As shown in Figure 2, the disclosed check system of the present embodiment comprises genlock module 30, control module 40, signal generating module 50 and wire 60, wherein control module 40 is connected with genlock module 30, signal generating module 50 respectively, and signal generating module 50 is also connected with wire 60.
Voltage signal is three-phase voltage signal, and the Wave data that same genlock module generates is triphasic wave graphic data, also for completing the foundation of the incidence relation of phase place, amplitude and the foundation of alternate phase relation between on-the-spot voltage, electric current.
During field-checking, first the in the situation that of signal generating module 50 no signal current output, read on-Line Monitor Device 20 relevant parameter values, when the current signal then producing according to preset instructions when signal generating module 50 flows in wire 60, read the monitoring result of on-Line Monitor Device 20.By comparing both theoretical vector composite values and on-Line Monitor Device 20 measured results, can obtain the margin of error between the two, this margin of error has reflected the detection error of on-Line Monitor Device 20.
As detect error within permissible error scope, and illustrate that on-Line Monitor Device is working properly, as exceed allowed band, need it to keep in repair or change.
From above-mentioned technical scheme, can find out, the check system of the disclosed Zinc-Oxide Arrester of the present embodiment and capacitive apparatus on-Line Monitor Device comprises genlock module, control module, signal generating module and signal coupling module, genlock module produces Wave data according to the working voltage of electric system, control module is according to preset instructions and Wave data output current control command and phase control order, the current signal that signal generating module is synchronizeed with the working voltage signal of electric system according to Current Control order and phase control order generation, signal coupling module is coupled to on-Line Monitor Device current metering sensor by current signal, in the situation that check system no signal current is exported, read on-Line Monitor Device relevant parameter value, then when check system is during according to preset instructions output current signal, read the monitoring result of on-Line Monitor Device.By comparing both theoretical vector composite value and on-Line Monitor Device measured results, can obtain the margin of error between the two, this margin of error has reflected the detection error of on-Line Monitor Device.
Embodiment bis-
Fig. 4 is the structural drawing of the check system of the disclosed a kind of Zinc-Oxide Arrester of another embodiment of the application and capacitive apparatus on-Line Monitor Device.
As shown in Figure 4, the present embodiment is on the basis of a upper embodiment, to have set up output protection module 70, and output protection module 70 is arranged between signal generating module 50 and wire 60, is connected respectively with signal generating module 50, wire 60.
When on-Line Monitor Device being carried out to verification by this check system; electric system likely can may produce surge as thunderbolt or fault etc. because of some reason on lightning arrester; and then to this check system, export surge by wire 60; thereby cause danger may to equipment or personnel; therefore by 70 pairs of surges of output protection module of setting up, completely cut off, with this, system and personnel are carried out to necessary protection.
Embodiment tri-
Fig. 5 is the structural drawing of check system of the on-Line Monitor Device of the disclosed a kind of Zinc-Oxide Arrester of the another embodiment of the application or capacitive apparatus.
As shown in Figure 5, the disclosed check system of the present embodiment is on the basis of a upper embodiment, to have set up conventional control module 80, and conventional control module 80 is connected with control module 40.
Laboratory verifying work pattern is mainly used conventional verification control module, hyperchannel High-Speed Hardware steering logic, multi channel signals generation module and output protection module.
While adopting laboratory verifying work pattern, conventional verification control module is responsible for interpreting the steering order of controlling software, completes A, B, C three-phase voltage and electric current:
1) Wave data is synthetic;
2) range of voltage, electric current necessity switches;
3) voltage and current phase incidence relation are set up;
4) the conventional start and stop instruction of DA and hyperchannel High-Speed Hardware steering logic routine work pattern are controlled;
5) conventional check system linear revise work.
Hyperchannel High-Speed Hardware steering logic mainly completes the realization of DA start and stop instruction by hardware, High-speed Control logic is accepted the instruction of conventional correction verification module simultaneously, run on conventional verification control model, to complete maintaining of precise synchronization between hyperchannel and synchronized relation.
When system is started working, first accept the conventional steering order of system software, concrete is the corresponding load module that A, B, C three-phase voltage current need to show, and the load module showing can be R, C parallel model.
Embodiment five
Fig. 6 is the structural drawing of the disclosed a kind of Zinc-Oxide Arrester of the another embodiment of the application and capacitive apparatus on-Line Monitor Device check system.
As shown in Figure 6, the disclosed check system of the present embodiment is on the basis of a upper embodiment, to have set up human-computer interaction module 90, and human-computer interaction module 90 is connected with control module 40.
Human-computer interaction module 90 comprises display unit 91 and keyboard 92, under conventional correction verification module mode of operation, be laboratory verifying work pattern, display unit 91 can show the voltage of native system output, parameters such as the total current value of current signal, capacity current value, current in resistance property value, phasing degree.
Under genlock module mode of operation, i.e. field-checking mode of operation, display unit 91 can, by keyboard 92 inputs by the initial parameter value of school on-Line Monitor Device, comprise the parameters such as voltage, total current, current in resistance property, capacity current, phase place.Secondly, display unit 91 is by the default output total current of keyboard 92, current in resistance property, capacity current, and with the parameters such as phase place of voltage signal.Again, the parameter that display unit 91 can show also comprises external reference voltage amplitude, aforementioned both vector composite values, i.e. total current, current in resistance property, capacity current, phasing degree, dielectric dissipation factor value etc.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the application.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can be in the situation that do not depart from the application's spirit or scope, realization in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a check system for the on-Line Monitor Device of Zinc-Oxide Arrester and capacitive apparatus, is characterized in that, comprising:
Genlock module, for generating Wave data according to the voltage signal of the working voltage of electric system;
Control module, according to preset instructions and described Wave data output current control command and phase control order;
Signal generating module, for exporting predetermined current signal according to described Current Control order and phase control order, the frequency of described current signal and the Frequency Synchronization of described voltage signal, and there is certain phase differential;
Wire, for producing extra current signal according to described current signal at the current sensor of described on-Line Monitor Device;
First read the parameter value that described on-Line Monitor Device shows, then export described current signal, then read the displayed value of described on-Line Monitor Device, the difference of described parameter value and described parameter value is the measuring error of described on-Line Monitor Device.
2. check system as claimed in claim 1, is characterized in that, described genlock module is the phase-locked module of three-phase synchronous, for generating triphasic wave graphic data according to the three-phase voltage signal of the three-phase operation voltage of electric system.
3. check system as claimed in claim 1, is characterized in that, described control module is Multichannel controller module.
4. check system as claimed in claim 1, is characterized in that, described signal generating module is three-phase signal generation module, for exporting three-phase predetermined current signal according to described preset instructions and described Wave data.
5. the check system as described in claim 1～4 any one, is characterized in that, also comprises output protection module, for receiving the current signal of described signal generating module output, and described current signal is exported to described signal coupling module.
6. check system as claimed in claim 5, is characterized in that, also comprises:
Conventional control module, for exporting conventional control command to described control module;
Described control module is controlled described signal generating module by output protection module output three-phase voltage signal according to described conventional control command, and the three-phase current signal that matches of phase place and described three-phase voltage signal.
7. check system as claimed in claim 6, is characterized in that, also comprises human-computer interaction device, for exporting described preset instructions to described control module.
8. check system as claimed in claim 7, is characterized in that, described human-computer interaction device comprises:
Display unit, for showing the parameter of described voltage signal, current signal, described parameter comprises voltage, total current, phase place, current in resistance property, capacity current, electric capacity and/or dielectric dissipation factor;
Keyboard, for exporting described preset instructions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695852.2A CN103675745B (en) | 2013-12-17 | 2013-12-17 | Checking system of on-line monitoring device for zinc oxide arrester and capacitive equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695852.2A CN103675745B (en) | 2013-12-17 | 2013-12-17 | Checking system of on-line monitoring device for zinc oxide arrester and capacitive equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103675745A true CN103675745A (en) | 2014-03-26 |
| CN103675745B CN103675745B (en) | 2017-01-25 |
Family
ID=50313890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310695852.2A Active CN103675745B (en) | 2013-12-17 | 2013-12-17 | Checking system of on-line monitoring device for zinc oxide arrester and capacitive equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103675745B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062618A (en) * | 2014-07-09 | 2014-09-24 | 国家电网公司 | Verification method for on-line monitoring device of double-signal-source capacitive equipment |
| CN105785300A (en) * | 2016-03-04 | 2016-07-20 | 福建和盛高科技产业有限公司 | Distributed capacitive equipment online monitoring and calibration device and field calibration method based on device |
| CN106443546A (en) * | 2016-10-19 | 2017-02-22 | 中国计量大学 | Wireless calibration method and system for capacitive equipment insulation performance online monitoring device |
| CN106443537A (en) * | 2016-04-26 | 2017-02-22 | 中国电力科学研究院 | Calibration method for online capacitive equipment insulation parameter monitoring device and calibration equipment |
| CN107797007A (en) * | 2017-11-16 | 2018-03-13 | 国家电网公司 | A kind of check system and the method for inspection of live capacitive apparatus on-Line Monitor Device |
| CN110441722A (en) * | 2019-08-22 | 2019-11-12 | 华北电力科学研究院有限责任公司 | Dielectric loss tester method of calibration, apparatus and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE504416C2 (en) * | 1995-10-27 | 1997-02-03 | Sydkraft Ab | Control measurement system for control measurement of energy measurement systems |
| CN101299062A (en) * | 2008-07-01 | 2008-11-05 | 国网武汉高压研究院 | Method and device for checking zinc oxide lightning arrester block property current tester |
| CN201289525Y (en) * | 2008-11-07 | 2009-08-12 | 国网武汉高压研究院 | Checkout device for zinc oxide lightning arrester tester |
| CN102062846A (en) * | 2009-11-14 | 2011-05-18 | 甘肃电力科学研究院 | Method and device for correcting online tester of MOA leakage current |
| CN201876537U (en) * | 2010-11-19 | 2011-06-22 | 山东电力集团公司济宁供电公司 | Detector for online arrester monitoring device |
| US8443647B1 (en) * | 2008-10-09 | 2013-05-21 | Southern Illinois University | Analyte multi-sensor for the detection and identification of analyte and a method of using the same |
-
2013
- 2013-12-17 CN CN201310695852.2A patent/CN103675745B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE504416C2 (en) * | 1995-10-27 | 1997-02-03 | Sydkraft Ab | Control measurement system for control measurement of energy measurement systems |
| CN101299062A (en) * | 2008-07-01 | 2008-11-05 | 国网武汉高压研究院 | Method and device for checking zinc oxide lightning arrester block property current tester |
| US8443647B1 (en) * | 2008-10-09 | 2013-05-21 | Southern Illinois University | Analyte multi-sensor for the detection and identification of analyte and a method of using the same |
| CN201289525Y (en) * | 2008-11-07 | 2009-08-12 | 国网武汉高压研究院 | Checkout device for zinc oxide lightning arrester tester |
| CN102062846A (en) * | 2009-11-14 | 2011-05-18 | 甘肃电力科学研究院 | Method and device for correcting online tester of MOA leakage current |
| CN201876537U (en) * | 2010-11-19 | 2011-06-22 | 山东电力集团公司济宁供电公司 | Detector for online arrester monitoring device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062618A (en) * | 2014-07-09 | 2014-09-24 | 国家电网公司 | Verification method for on-line monitoring device of double-signal-source capacitive equipment |
| CN104062618B (en) * | 2014-07-09 | 2016-08-17 | 国家电网公司 | A kind of capacitive apparatus on-Line Monitor Device method of calibration of dual signal source |
| CN105785300A (en) * | 2016-03-04 | 2016-07-20 | 福建和盛高科技产业有限公司 | Distributed capacitive equipment online monitoring and calibration device and field calibration method based on device |
| CN105785300B (en) * | 2016-03-04 | 2019-03-15 | 福建和盛高科技产业有限公司 | Distributed capacitive apparatus on-line monitoring calibration equipment and the on-site calibrating method based on the device |
| CN106443537A (en) * | 2016-04-26 | 2017-02-22 | 中国电力科学研究院 | Calibration method for online capacitive equipment insulation parameter monitoring device and calibration equipment |
| CN106443546A (en) * | 2016-10-19 | 2017-02-22 | 中国计量大学 | Wireless calibration method and system for capacitive equipment insulation performance online monitoring device |
| CN107797007A (en) * | 2017-11-16 | 2018-03-13 | 国家电网公司 | A kind of check system and the method for inspection of live capacitive apparatus on-Line Monitor Device |
| CN107797007B (en) * | 2017-11-16 | 2023-12-15 | 国家电网公司 | Verification system and verification method for on-site capacitive equipment on-line monitoring device |
| CN110441722A (en) * | 2019-08-22 | 2019-11-12 | 华北电力科学研究院有限责任公司 | Dielectric loss tester method of calibration, apparatus and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103675745B (en) | 2017-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103675745A (en) | Checking system of on-line monitoring device for zinc oxide arrester and capacitive equipment | |
| CN101458277B (en) | Three phase electric energy measurement apparatus | |
| CN103323751B (en) | A kind of high pressure stub cable insulation terminal local discharge test device and using method | |
| Dong et al. | Analysis of cable failure modes and cable joint failure detection via sheath circulating current | |
| CN105425193A (en) | Extra-high-voltage current transformer verification system | |
| CN105548661B (en) | A kind of monitoring method of extra-high voltage DC transmission system DC line voltage distribution fluctuation | |
| CN101424728A (en) | On site precision detecting test line for high-voltage current transformer | |
| CN113219369B (en) | Test method for testing cross-connection performance of cables in laying site | |
| CN104198798A (en) | Method for measuring resonance of fault capacitive current of petersen coil device | |
| CN105093162A (en) | Method and device for calibrating measurement error of electric energy meter under pulse train interference condition | |
| CN109061276A (en) | A kind of isolated neutral system capacitance current test device and its test method | |
| CN106771843B (en) | Fault traveling wave distance measurement method for single-core power cable | |
| CN104678218B (en) | A kind of evaluation method of cable rising test system optimal compensating electric capacity | |
| CN109212325A (en) | A kind of power cable crosstalk couplings test method | |
| CN205720536U (en) | Alternating current filter breaker alternating current-direct current mixes pressure connection circuit | |
| CN206387901U (en) | CVT error in dipping anomaly assessment systems based on capacitive earth current | |
| CN103560484A (en) | Multipoint ground-connection current control device for three current transformers to monitor transformer clamping parts in online mode | |
| CN109283437A (en) | PT broken string and singlephase earth fault simulator and method | |
| CN109286178A (en) | Power distribution network adaptive Current Protection setting method containing inverse distributed power | |
| CN107543574A (en) | Airborne sensor high temperature aging tests automatic tester and operating method | |
| CN103630763A (en) | Alternating-current power supply three-phase unbalanced drop simulator and simulation method | |
| CN204302401U (en) | A kind of three-phase Special Transformer Ratio measurement mechanism | |
| CN105259474A (en) | Online fault range finding method of T-connection cable | |
| CN203630208U (en) | Double-current-transformer online monitoring transformer clamp multipoint grounding current control device | |
| CN103560499B (en) | The control method of the lower multipoint earthing of clamping piece of transformer electric current of three current transformer monitorings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161223 Address after: Hangzhou City, Zhejiang province 310014 City Zhaohui village eight District No. 1, Huadian Applicant after: Technology Service Center of Zhejiang Electric Power Testing & Research Institute Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Power Networks Co Applicant before: Electric Power Research Institute of State Grid Zhejiang Electric Power Company |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |