CN203502580U - Checking system for online insulation monitoring device - Google Patents
Checking system for online insulation monitoring device Download PDFInfo
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- CN203502580U CN203502580U CN201320630666.6U CN201320630666U CN203502580U CN 203502580 U CN203502580 U CN 203502580U CN 201320630666 U CN201320630666 U CN 201320630666U CN 203502580 U CN203502580 U CN 203502580U
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Abstract
The utility model discloses a checking system for an online insulation monitoring device, which comprises a testing transformer, a reference sample simulation capacitor, a tested sample simulation capacitor, and a test control operation table, wherein high-voltage ends of the reference sample simulation capacitor and the tested sample simulation capacitor are both connected with the output end of the testing transformer; the test control operation table comprises a frequency conversion test power supply, a relative dielectric loss and capacitance tester, a dielectric loss and resistive current simulation device, a signal generator, and an industrial control computer, and the industrial control computer is in control connection with the relative dielectric loss and capacitance tester, the dielectric loss and resistive current simulation device and the signal generator; and low voltage ends of the reference sample simulation capacitor and the tested sample simulation capacitor are respectively in signal connection with the relative dielectric loss and capacitance tester and/or the dielectric loss and resistive current simulation device. The checking system for an online insulation monitoring device can not only be used for checking online test devices for dielectric loss factors and capacitance of capacitive equipment and resistive current of a metal oxide surge arrester, but also for checking a monitoring device for transformer iron core grounding current.
Description
Technical field
The utility model relates to a kind of insulation line monitoring device check system.
Background technology
The high voltage electric equipment moving in electrical network, when it is inner while there is the insulation defect that the factors such as bad because manufacturing, aging and outside destroy cause, will cause equipment failure or insulation fault, badly influences the normal operation of electrical network.For preventing the generation of this type of serious accident, the traditional method adopting is at present after putting equipment in service, regularly has a power failure and carries out preventive trial and maintenance, to detect in time the insulation defect of device interior.But the test condition of power failure preventive trial and running status differ larger, Dielectric Loss Test is normally tested under 10kV voltage, can not correctly diagnose out the insulation status of high-tension apparatus under ruuning situation, more be difficult to the defect that discovery develops between twice preventive trial interval, this will directly have influence on the test effect of preventive trial.Along with the development of national economy, the whole society is more and more higher to the requirement of the reliability of electric power supply and minimizing power off time; Developing gradually of electric system scale, traditional regular power failure preventive trial is time-consuming owing to existing, effort and many drawbacks such as test effect is undesirable and more and more can not meet the requirement of power grid security, reliable and efficient operation, therefore to electric equipment operation automatic monitoring and insulation status is online or live monitoring, realize the inevitable development direction that repair based on condition of component has become following high-tension apparatus test.
The work of Current Domestic High-Voltage Insulation charging test mainly concentrates on several aspects such as Zinc-Oxide Arrester, capacitance type equipment (capacitive insulation type current transformer, sleeve pipe, capacitance type potential transformer, coupling condenser), GIS shelf depreciation.Online increasing and measuring device with electricity puts into operation, and whether its duty is normally directly connected to the assessment to network system safety, so extremely urgent to the Check and Inspection work of online (charged) monitoring device of this class.
Utility model content
Technical problem to be solved in the utility model is for shortcomings and deficiencies of the prior art, provides a kind of and can solve the as above insulation line monitoring device check system of problem.
The technical matters that the utility model solves can realize by the following technical solutions:
Insulation line monitoring device check system, is characterized in that, comprising:
One for simulating the testing transformer that produces site test high pressure,
The analog references test product capacitor that one high-pressure side is connected with described testing transformer output terminal,
The simulation product to be tested capacitor that one high-pressure side is connected with described testing transformer output terminal,
One controlling test operator's console;
Described controlling test operator's console comprises:
The one frequency conversion experiment power supply being used in conjunction with described testing transformer,
One for testing relative dielectric loss and the capacitance tester of dielectric loss electric capacity, zinc oxide lightning arrester block property current, Transformer Core Grounding electric current,
One dielectric loss being formed by dielectric loss analogue means, reference voltage analogue means, current in resistance property analogue means and current in resistance property analogue means,
One for simulating the signal generator of dielectric loss and zinc paste current in resistance property,
One industrial computer, described industrial computer and described to dielectric loss and capacitance tester, dielectric loss and current in resistance property analogue means, signal generator control linkage;
The low pressure end of described analog references test product capacitor and simulation product to be tested capacitor is connected with described relative dielectric loss and capacitance tester and/or dielectric loss and current in resistance property analogue means signal respectively.
In a kind of preferred embodiment of the present utility model, described industrial computer also with a printer control linkage.
Owing to having adopted technical scheme as above, the utility model is easy to operate, both can be for dielectric dissipation factor, electric capacity and the metal oxide arrester of verification capacitive apparatus online (or charged) proving installation of resistive (capacitive) electric current, also can be used for verification Transformer Core Grounding current monitoring device.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiment more of the present utility model, 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 principle schematic of the utility model insulation line monitoring device check system.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Shown in Figure 1, insulation line monitoring device check system comprises testing transformer 100, analog references test product capacitor 200, simulation product to be tested capacitor 300 and controlling test operator's console 400, controlling test operator's console 400 comprise frequency conversion experiment power supply 410, relatively dielectric loss and capacitance tester 420, dielectric loss and current in resistance property analogue means 430, signal generator 440, industrial computer 450 and with the laser printer 460 of industrial computer 450 control linkages, laser printer 460 can print the result after test.Industrial computer 450 and relative dielectric loss and capacitance tester 420, dielectric loss and current in resistance property analogue means 430, signal generator 440 control linkages.
The high pressure that testing transformer 100 and frequency conversion experiment power supply 410 need for generation of test, high pressure is applied to the high-pressure side of analog references test product capacitor 200 and simulation product to be tested capacitor 300, frequency conversion experiment power supply 410 is by industrial computer 450 control linkages, can need to regulate trial voltage and test frequency according to different tests, be convenient to all automatic measurement of the system that realizes.
Dielectric loss and capacitance tester 420 are for testing dielectric loss consume and electric capacity, zinc oxide lightning arrester block property current value, Transformer Core Grounding current value relatively, and dielectric loss and capacitance tester 420 are by industrial computer 450 control linkages relatively.
Dielectric loss and current in resistance property analogue means 430 are by dielectric loss analogue means 431, reference voltage analogue means 432, current in resistance property analogue means 433 forms, dielectric loss analogue means 431 is mainly used in connecting from the test specimen of the on-the-spot different electric capacitys of laboratory simulation and dielectric loss, high pressure is added on simulation test product, the current signal obtaining in low-pressure side is input to dielectric loss analogue means 431, first signal is carried out to preliminary filter and amplification, be input to phase-shifting amplitude-modulated unit, phase-shifting amplitude-modulated unit is under the control of single-chip microcomputer, output signal is adjusted to amplitude and the phase place that user sets, the electric capacity of the corresponding test specimen of amplitude, phase place is corresponding to dielectric loss value.Output adopts constant current output, accessible tested capacitive apparatus on-Line Monitor Device.What adopt due to dielectric loss analogue means 431 is that simulation dielectric loss regulates, and just the processing to signal, is not real loss, so the mode of the large power high voltage with standing resistance that do not need to connect is simulated dielectric loss.Can realize large-scale dielectric loss and regulate, be low voltage component due to what adopt, easily realizes high stable highly reliable.The adjusting of dielectric loss, adopts stored program control system to regulate, and can under electriferous state, (apply under high-pressure situations) and carry out gear switch, uses conveniently, has greatly improved the efficiency of verifying work.
The effect of reference voltage analogue means 432 is that the current signal of taking from analog references test product capacitor 200 is converted to the reference voltage signal that meets zinc oxide lightning arrester block property current tester work, object is that analog references test product capacitor 200 is modeled as to a high-precision voltage transformer (VT), high-voltage signal is through analog references test product capacitor 200, by low-pressure side output current signal, be input to analogue means, through preliminary filter and amplification, signal is done to 90 ° of phase shifts (because of 90 ° of capacitance current leading voltage signals), again according to user's set point adjustment amplitude, finally with an isolating transformer constant voltage output, offer zinc oxide lightning arrester block property current tester as with reference to voltage signal.
Current in resistance property analogue means 433 is input to analogue means by the current signal of taking from simulation product to be tested electric capacity 300, first pass through preliminary filter and amplification, be input to phase-shifting amplitude-modulated circuit, according to set point adjustment output, finally adopt constant current output to arrive tested on-line monitoring device of metallic oxide arrester again.
The content of test and determine as required, analog references test product capacitor 200 and the low pressure end of simulating product to be tested capacitor 300 are connected with relative dielectric loss and capacitance tester 420 and/or dielectric loss and current in resistance property analogue means 430 signals respectively.
The utility model can be for dielectric dissipation factor, electric capacity and the metal oxide arrester of verification capacitive apparatus online (or charged) proving installation of resistive (capacitive) electric current, also can be used for verification Transformer Core Grounding current monitoring device.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. insulation line monitoring device check system, is characterized in that, comprising:
One for simulating the testing transformer that produces site test high pressure,
The analog references test product capacitor that one high-pressure side is connected with described testing transformer output terminal,
The simulation product to be tested capacitor that one high-pressure side is connected with described testing transformer output terminal,
One controlling test operator's console;
Described controlling test operator's console comprises:
The one frequency conversion experiment power supply being used in conjunction with described testing transformer,
One for testing relative dielectric loss and the capacitance tester of dielectric loss electric capacity, zinc oxide lightning arrester block property current, Transformer Core Grounding electric current,
One dielectric loss being formed by dielectric loss analogue means, reference voltage analogue means, current in resistance property analogue means and current in resistance property analogue means,
One for simulating the signal generator of dielectric loss and zinc paste current in resistance property,
One industrial computer, described industrial computer and described to dielectric loss and capacitance tester, dielectric loss and current in resistance property analogue means, signal generator control linkage;
The low pressure end of described analog references test product capacitor and simulation product to be tested capacitor is connected with described relative dielectric loss and capacitance tester and/or dielectric loss and current in resistance property analogue means signal respectively.
2. insulation line monitoring device check system as claimed in claim 1, is characterized in that, described industrial computer also with a printer control linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630666.6U CN203502580U (en) | 2013-10-12 | 2013-10-12 | Checking system for online insulation monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630666.6U CN203502580U (en) | 2013-10-12 | 2013-10-12 | Checking system for online insulation monitoring device |
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| Publication Number | Publication Date |
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| CN203502580U true CN203502580U (en) | 2014-03-26 |
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| CN201320630666.6U Expired - Fee Related CN203502580U (en) | 2013-10-12 | 2013-10-12 | Checking system for online insulation monitoring device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166115A (en) * | 2014-08-22 | 2014-11-26 | 广州供电局有限公司 | Signal detection device of capacitive equipment electrified tester |
| CN104360299A (en) * | 2014-11-19 | 2015-02-18 | 云南电网公司电力科学研究院 | On-site wireless inspection device and method for capacitive type device on-line monitoring system |
| CN104793170A (en) * | 2015-05-13 | 2015-07-22 | 国网重庆市电力公司电力科学研究院 | Field measurement standard device and verification mode of insulated online monitoring device |
| CN104849568A (en) * | 2015-05-14 | 2015-08-19 | 广东电网有限责任公司电力科学研究院 | Signal-adjustment-based monitoring apparatus detection platform of transformer casing tube |
| CN105067851A (en) * | 2015-09-07 | 2015-11-18 | 国网宁夏电力公司电力科学研究院 | Signal generating device for power system energized test instrument calibration |
| CN105610164A (en) * | 2016-01-22 | 2016-05-25 | 宁波三星医疗电气股份有限公司 | Three-phase high-frequency harmonic generator |
| CN105807176A (en) * | 2016-03-22 | 2016-07-27 | 国网山东省电力公司东营市东营区供电公司 | Laboratory simulation test device and method of electrical equipment online detection device |
| CN106093823A (en) * | 2016-08-18 | 2016-11-09 | 重庆泊津科技有限公司 | A kind of self checking technology of insulation monitoring and warning device |
| CN106157789A (en) * | 2015-04-17 | 2016-11-23 | 国网技术学院 | Relative dielectric loss and capacitance detection tutoring system |
| CN107643502A (en) * | 2017-09-26 | 2018-01-30 | 广西电网有限责任公司电力科学研究院 | A kind of high-voltage electrical apparatus detecting instrument check device |
| CN110133380A (en) * | 2019-06-28 | 2019-08-16 | 重庆航天职业技术学院 | A kind of dielectric constant contrasting detection device |
| CN113567905A (en) * | 2021-07-06 | 2021-10-29 | 国网辽宁省电力有限公司电力科学研究院 | Synchronous calibration system and method for integrated transformer equipment insulation online monitoring device |
-
2013
- 2013-10-12 CN CN201320630666.6U patent/CN203502580U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166115A (en) * | 2014-08-22 | 2014-11-26 | 广州供电局有限公司 | Signal detection device of capacitive equipment electrified tester |
| CN104166115B (en) * | 2014-08-22 | 2017-03-08 | 广州供电局有限公司 | The signal verification device of capacitive apparatus testing instrument for electrified |
| CN104360299A (en) * | 2014-11-19 | 2015-02-18 | 云南电网公司电力科学研究院 | On-site wireless inspection device and method for capacitive type device on-line monitoring system |
| CN106157789A (en) * | 2015-04-17 | 2016-11-23 | 国网技术学院 | Relative dielectric loss and capacitance detection tutoring system |
| CN104793170A (en) * | 2015-05-13 | 2015-07-22 | 国网重庆市电力公司电力科学研究院 | Field measurement standard device and verification mode of insulated online monitoring device |
| CN104849568A (en) * | 2015-05-14 | 2015-08-19 | 广东电网有限责任公司电力科学研究院 | Signal-adjustment-based monitoring apparatus detection platform of transformer casing tube |
| CN104849568B (en) * | 2015-05-14 | 2016-06-01 | 广东电网有限责任公司电力科学研究院 | Based on the transformer bushing monitoring device detection platform of Signal Regulation |
| CN105067851A (en) * | 2015-09-07 | 2015-11-18 | 国网宁夏电力公司电力科学研究院 | Signal generating device for power system energized test instrument calibration |
| CN105067851B (en) * | 2015-09-07 | 2018-05-08 | 国网宁夏电力公司电力科学研究院 | A kind of signal generation apparatus for electric system live testing instrument verification |
| CN105610164B (en) * | 2016-01-22 | 2018-03-09 | 宁波三星医疗电气股份有限公司 | Three-phase high-frequency harmonic generation device |
| CN105610164A (en) * | 2016-01-22 | 2016-05-25 | 宁波三星医疗电气股份有限公司 | Three-phase high-frequency harmonic generator |
| CN105807176A (en) * | 2016-03-22 | 2016-07-27 | 国网山东省电力公司东营市东营区供电公司 | Laboratory simulation test device and method of electrical equipment online detection device |
| CN106093823A (en) * | 2016-08-18 | 2016-11-09 | 重庆泊津科技有限公司 | A kind of self checking technology of insulation monitoring and warning device |
| CN107643502A (en) * | 2017-09-26 | 2018-01-30 | 广西电网有限责任公司电力科学研究院 | A kind of high-voltage electrical apparatus detecting instrument check device |
| CN110133380A (en) * | 2019-06-28 | 2019-08-16 | 重庆航天职业技术学院 | A kind of dielectric constant contrasting detection device |
| CN113567905A (en) * | 2021-07-06 | 2021-10-29 | 国网辽宁省电力有限公司电力科学研究院 | Synchronous calibration system and method for integrated transformer equipment insulation online monitoring device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20151012 |
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| EXPY | Termination of patent right or utility model |