CN106932699A - A kind of GIS oscillatory surges pressure test signal detection system - Google Patents
A kind of GIS oscillatory surges pressure test signal detection system Download PDFInfo
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- CN106932699A CN106932699A CN201710283647.3A CN201710283647A CN106932699A CN 106932699 A CN106932699 A CN 106932699A CN 201710283647 A CN201710283647 A CN 201710283647A CN 106932699 A CN106932699 A CN 106932699A
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- gis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A kind of GIS oscillatory surges pressure test signal detection system, comprising the oscillatory surge high voltage power supply for being electrically connected with GIS test products, it is electrically connected with the impulse high voltage control unit of oscillatory surge high voltage power supply, it is electrically connected with the capacitive divider of oscillatory surge high voltage power supply and GIS test products, it is electrically connected with the signal detection module of GIS test products, it is electrically connected with the acquisition and storage device of capacitive divider and signal detection module, and the master control display device for being electrically connected with impulse high voltage control unit and acquisition and storage device.The present invention realizes the complete detection collection to the Partial Discharge Data under oscillatory surge voltage, and dependable with function is all very high.
Description
Technical field
The present invention relates to a kind of GIS oscillatory surges pressure test signal detection system.
Background technology
Gas-insulated metal totally enclosed type device for switching(GIS)Increasingly it is widely applied in power network, with electricity
The Large scale construction of net, because of GIS insulation faults and caused by power outage it is more and more, in order to improve GIS reliabilities of operation,
Relevant criterion recommends to carry out GIS device live surge voltage resistance test.IEC60060-3 recommends to use efficient vibration
Type surge voltage is used as On-Site Testing voltage waveform.Measurement of partial discharge is carried out while impulse withstand voltage is tested, can be obtained
GIS device integral insulation intensity and local state of insulation are obtained, so as to comprehensively be evaluated apparatus insulated.At present, for shaking
Partial Discharge Detection is few with the research that insulation is evaluated under swinging surge voltage.
The content of the invention
The present invention provides a kind of GIS oscillatory surges pressure test signal detection system, realizes under oscillatory surge voltage
Partial Discharge Data complete detection collection, dependable with function is all very high.
In order to achieve the above object, the present invention provides a kind of GIS oscillatory surges pressure test signal detection system, bag
Contain:
The oscillatory surge high voltage power supply of GIS test products is electrically connected with, for producing oscillatory surge voltage waveform;
The impulse high voltage control unit of oscillatory surge high voltage power supply is electrically connected with, for controlling oscillatory surge high voltage power supply;
The capacitive divider of oscillatory surge high voltage power supply and GIS test products is electrically connected with, for collection voltages waveform signal;
The signal detection module of GIS test products is electrically connected with, for gathering the Partial Discharge Data in addition to voltage;
The acquisition and storage device of capacitive divider and signal detection module is electrically connected with, for obtaining and the part for collecting is stored
Discharge data;
And, the master control display device of impulse high voltage control unit and acquisition and storage device is electrically connected with, for shelf depreciation
Data are processed.
One end of described capacitive divider is electrically connected with GIS test products, and other end ground connection, the capacitive divider includes series connection
The first electric capacity and the second electric capacity, partial pressure is carried out to amplitude oscillatory surge voltage.
The responsive bandwidth of the capacitive divider of the first described electric capacity and the second electric capacity composition reaches ns grades.
Described signal detection module is included:Current detection module and/or extra-high video sensor;
One end of described current detection module is electrically connected with GIS test products and acquisition and storage device, other end ground connection, for gathering
The pulse current of PD signal that GIS test products are produced under oscillatory surge voltage;
Described extra-high video sensor is electrically connected with GIS test products and acquisition and storage device, the part for gathering the generation of GIS test products
Electric discharge electromagnetic wave signal.
Described current detection module using detection impedance Z m, or High Frequency Current Sensor, or GIS capacitor dielectric window.
The responsive bandwidth of described detection impedance Z m reaches ns grades.
The analog bandwidth of described extra-high video sensor is 300MHz ~ 1500MHz.
Described acquisition and storage device uses high-speed oscilloscope or high speed acquisition device.
The sample rate of described acquisition and storage device meets:Pulse current of PD signal 100MS/s and more than, mould
Intend bandwidth 50M and more than, partial-discharge ultrahigh-frequency signal 3GS/s and more than, analog bandwidth 1500M and more than, oscillatory surge
Voltage waveform signal 100MS/s and more than, analog bandwidth 50M and more than.
The present invention realizes the complete detection collection to the Partial Discharge Data under oscillatory surge voltage, dependable with function
It is all very high.
Brief description of the drawings
Fig. 1 is a kind of circuit block diagram of GIS oscillatory surges pressure test signal detection system that the present invention is provided.
Specific embodiment
Presently preferred embodiments of the present invention is illustrated below according to Fig. 1.
As shown in figure 1, the present invention provides a kind of GIS oscillatory surges pressure test signal detection system, comprising:
It is electrically connected with the oscillatory surge high voltage power supply 3 of GIS test products 7;
It is electrically connected with the impulse high voltage control unit 2 of oscillatory surge high voltage power supply 3;
It is electrically connected with the capacitive divider 4 of oscillatory surge high voltage power supply 3 and GIS test products 7;
It is electrically connected with the current detection module 6 of GIS test products 7;
It is electrically connected with the extra-high video sensor 8 of GIS test products 7;
It is electrically connected with the acquisition and storage device 5 of capacitive divider 4, current detection module 6 and extra-high video sensor 8;
It is electrically connected with the master control display device 1 of impulse high voltage control unit 2 and acquisition and storage device 5.
One end of described capacitive divider 4 is electrically connected with GIS test products 7, and other end ground connection, the capacitive divider 4 is included
First electric capacity C of series connection1With the second electric capacity C2, the first electric capacity C1With the second electric capacity C2The responsive bandwidth of the capacitive divider of composition
Ns grades need to be reached, so that the time domain waveform of the oscillatory surge voltage that will not distort.
One end of described current detection module 6 is electrically connected with GIS test products 7, other end ground connection, the current detection module 6
Can be using detection impedance Zm, detect impedance ZmResponsive bandwidth need to reach ns grades so that the pulse current of PD that will not distort
Time domain waveform, the current detection module 6 can also use High Frequency Current Sensor, or GIS the sensing coupling such as capacitor dielectric window
Attach together and put.
The analog bandwidth of described extra-high video sensor 8 is 300MHz ~ 1500MHz.
Described acquisition and storage device 5 can use high-speed oscilloscope or high speed acquisition device, the acquisition and storage device 5
Sample rate:Pulse current of PD signal 100MS/s and more than, analog bandwidth 50M and more than, partial-discharge ultrahigh-frequency
Signal 3GS/s and more than, analog bandwidth 1500M and more than, oscillatory surge voltage waveform signal 100MS/s and more than, mould
Intend bandwidth 50M and more than.
Master control display device 1 sends instructions to impulse high voltage control unit 2, and control oscillatory surge high voltage power supply 3 produces symbol
The oscillatory surge voltage waveform of standardization IEC60060-3 or GB/T16927.3, acts on defective GIS test products 7, the first electricity
Hold C1With the second electric capacity C2The capacitive divider 4 of composition carries out partial pressure to amplitude oscillatory surge voltage, by low-voltage arm voltage waveform
Signal is sent to acquisition and storage device 5, and current detection module 6 obtains the shelf depreciation of GIS test products generation under oscillatory surge voltage
Pulsed current signal, is sent to acquisition and storage device 5, the shelf depreciation electromagnetism that the collection GIS of extra-high video sensor 8 test products 7 are produced
Ripple signal, is sent to acquisition and storage device 5, so as to complete the Partial Discharge Data detection under oscillatory surge voltage, collection storage
The data that device 5 will be detected are sent to master control display device 1, and master control display device 1 carries out data processing.
The present invention realizes the complete detection collection to the Partial Discharge Data under oscillatory surge voltage, dependable with function
It is all very high.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for of the invention
Various modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of GIS oscillatory surges pressure test signal detection system, it is characterised in that include:
It is electrically connected with GIS test products(7)Oscillatory surge high voltage power supply(3), for producing oscillatory surge voltage waveform;
It is electrically connected with oscillatory surge high voltage power supply(3)Impulse high voltage control unit(2), for controlling oscillatory surge high voltage power supply
(3);
It is electrically connected with oscillatory surge high voltage power supply(3)With GIS test products(7)Capacitive divider(4), for collection voltages waveform letter
Number;
It is electrically connected with GIS test products(7)Signal detection module, for gathering the Partial Discharge Data in addition to voltage;
It is electrically connected with capacitive divider(4)With the acquisition and storage device of signal detection module(5), collected for obtaining and storing
Partial Discharge Data;
And, it is electrically connected with impulse high voltage control unit(2)And acquisition and storage device(5)Master control display device(1), for right
Partial Discharge Data is processed.
2. GIS oscillatory surges pressure test signal detection system as claimed in claim 1, it is characterised in that described electricity
Hold divider(4)One end be electrically connected with GIS test products(7), other end ground connection, the capacitive divider(4)Comprising series connection first
Electric capacity(C1)With the second electric capacity(C2), partial pressure is carried out to amplitude oscillatory surge voltage.
3. GIS oscillatory surges pressure test signal detection system as claimed in claim 2, it is characterised in that described
One electric capacity(C1)With the second electric capacity(C2)The responsive bandwidth of the capacitive divider of composition reaches ns grades.
4. GIS oscillatory surges pressure test signal detection system as claimed in claim 1, it is characterised in that described letter
Number detection module include:Current detection module(6)And/or extra-high video sensor(8);
Described current detection module(6)One end be electrically connected with GIS test products(7)And acquisition and storage device(5), another termination
Ground, for gathering the pulse current of PD signal that GIS test products are produced under oscillatory surge voltage;
Described extra-high video sensor(8)It is electrically connected with GIS test products(7)And acquisition and storage device(5), for gathering GIS test products
(7)The shelf depreciation electromagnetic wave signal of generation.
5. GIS oscillatory surges pressure test signal detection system as claimed in claim 4, it is characterised in that described electricity
Stream detection module(6)Using detection impedance Z m, the capacitor dielectric window of or High Frequency Current Sensor, or GIS.
6. GIS oscillatory surges pressure test signal detection system as claimed in claim 5, it is characterised in that described inspection
The responsive bandwidth for surveying impedance Z m reaches ns grades.
7. GIS oscillatory surges pressure test signal detection system as claimed in claim 4, it is characterised in that described spy
High frequency sensors(8)Analog bandwidth be 300MHz ~ 1500MHz.
8. GIS oscillatory surges pressure test signal detection system as claimed in claim 1, it is characterised in that described adopts
Collection storage device(5)Using high-speed oscilloscope or high speed acquisition device.
9. GIS oscillatory surges pressure test signal detection system as claimed in claim 8, it is characterised in that described adopts
Collection storage device(5)Sample rate meet:Pulse current of PD signal 100MS/s and more than, analog bandwidth 50M and with
On, partial-discharge ultrahigh-frequency signal 3GS/s and more than, analog bandwidth 1500M and more than, oscillatory surge voltage waveform signal exists
100MS/s and more than, analog bandwidth 50M and more than.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109375078A (en) * | 2018-11-30 | 2019-02-22 | 中国电力科学研究院有限公司 | It is a kind of for detecting the system and method for dry-type reactor interturn insulation |
CN110501619A (en) * | 2019-08-30 | 2019-11-26 | 国网山西省电力公司电力科学研究院 | A kind of high frequency response partial pressure measuring apparatus |
CN110907768A (en) * | 2019-11-08 | 2020-03-24 | 国网宁夏电力有限公司电力科学研究院 | Breakdown positioning method and system for GIS equipment impact voltage withstand test |
CN111948719A (en) * | 2020-08-24 | 2020-11-17 | 国网宁夏电力有限公司电力科学研究院 | GIS internal foreign matter diagnosis device and diagnosis method |
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CN103605053A (en) * | 2013-11-19 | 2014-02-26 | 国家电网公司 | Device and method for partial discharge test of gas insulated combined electric appliance under impact voltage |
CN103954896A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Oiled paper insulation partial discharge inception voltage test system |
CN103954895A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Oiled paper compound insulation electrical ageing test system |
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KR20100125811A (en) * | 2009-05-21 | 2010-12-01 | 엘에스산전 주식회사 | Apparatus for wireless detecting partial dischage of high voltage power system devices |
CN202676858U (en) * | 2012-06-20 | 2013-01-16 | 宁夏电力公司电力科学研究院 | Partial discharge test system under impulse voltage |
CN103605053A (en) * | 2013-11-19 | 2014-02-26 | 国家电网公司 | Device and method for partial discharge test of gas insulated combined electric appliance under impact voltage |
CN103954896A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Oiled paper insulation partial discharge inception voltage test system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109375078A (en) * | 2018-11-30 | 2019-02-22 | 中国电力科学研究院有限公司 | It is a kind of for detecting the system and method for dry-type reactor interturn insulation |
CN110501619A (en) * | 2019-08-30 | 2019-11-26 | 国网山西省电力公司电力科学研究院 | A kind of high frequency response partial pressure measuring apparatus |
CN110907768A (en) * | 2019-11-08 | 2020-03-24 | 国网宁夏电力有限公司电力科学研究院 | Breakdown positioning method and system for GIS equipment impact voltage withstand test |
CN111948719A (en) * | 2020-08-24 | 2020-11-17 | 国网宁夏电力有限公司电力科学研究院 | GIS internal foreign matter diagnosis device and diagnosis method |
CN111948719B (en) * | 2020-08-24 | 2024-06-04 | 国网宁夏电力有限公司电力科学研究院 | GIS internal foreign matter diagnosis device and diagnosis method |
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