CN110426616A - A kind of GIS partial discharge detection device and method based on flange plate bolt - Google Patents
A kind of GIS partial discharge detection device and method based on flange plate bolt Download PDFInfo
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- CN110426616A CN110426616A CN201910872790.5A CN201910872790A CN110426616A CN 110426616 A CN110426616 A CN 110426616A CN 201910872790 A CN201910872790 A CN 201910872790A CN 110426616 A CN110426616 A CN 110426616A
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims description 35
- 239000012212 insulator Substances 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 description 11
- 241000237858 Gastropoda Species 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- 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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The GIS partial discharge detection device based on flange plate bolt that the present invention relates to a kind of, including GIS device, with GIS device pulses of current sensor interconnected and with pulses of current sensor measuring appliance interconnected, the GIS device includes multiple GIS shells interconnected, it is set to the ring flange at GIS shell both ends, flange plate bolt, gasket, nut and it is respectively arranged at GIS enclosure interior and disc insulator interconnected and bus guide rod, GIS shell and disc insulator are connected with each other by ring flange and flange plate bolt, gasket and nut are respectively arranged at the both ends of flange plate bolt, pulses of current sensor is installed on the side of ring flange by flange plate bolt, GIS shell, ring flange, nut, gasket, flange plate bolt and pulses of current sensor metal shell shape At pulse current circulation path, the pulse current circulation path passes through pulses of current sensor, and compared with prior art, the present invention has many advantages, such as to be suitable for multipoint earthing GIS device.
Description
Technical field
The present invention relates to GIS equipment partial discharge detection fields, more particularly, to a kind of GIS office based on flange plate bolt
Portion's discharging detection device and method.
Background technique
GIS, i.e. Cubicle Gas-Insulated Switchgear are that operational reliability is high, maintenance workload is small, the time between overhauls(TBO) is long
High voltage electric equipment, be the power equipment largely used in current electric system, therefore the effective maintenance and safety of GIS device
It runs extremely important for electric system.
Include in GIS device bus, breaker, disconnecting switch, earthing switch, current transformer, voltage transformer and
The functional units such as arrester.GIS device uses the SF of high insulation resistance6Gas as dielectric and breaker arc extinguishing medium,
All high voltage devices are sealed in shell, realize the compactedness of GIS device.But due to SF6The leakage of gas, outside
The infiltration of moisture, the presence of conductive impurity, the Ageing of Insulators etc. all may cause the generation of internal flashover failure, reduce GIS and set
Standby insulation performance.
Operating experience shows that insulation performance reduces the larger ratio that caused GIS device failure accounts for the generation of GIS device failure
Therefore example breaks down for anti-locking system because insulation performance reduces, in actual operation, carry out Insulation monitoring to GIS device
And it is very necessary to monitor GIS device built-in electrical insulation situation in real time.Various potential defects all may cause different journeys in GIS device
The shelf depreciation of degree, and insulation degradation can be made for a long time by discharging, and gradually be expanded, or even is caused entire insulation breakdown or dodged along face
Network, so that there is system blackout caused by operation troubles etc., causes huge to cause very big threat to the safe operation of equipment
Loss.
Currently, power industry about GIS device test mainly around how finding its built-in electrical insulation defect, including exchange
Pressure-resistant delivery test and scene handover ac voltage withstanding test, are all based on the pulse current of PD detection of offline GIS device
Method, the shelf depreciation of GIS device can cause its it is internal generate pulsed current signal, pulse current method is that currently the only have the world
With the detection method for local discharge of national standard, the pulse current that it is measured by obtaining measurement impedance in coupled capacitor side, or
The pulse current that person is measured by obtaining Rogowski coil from the neutral point or grounding point of power equipment, to obtain putting for pulse current
The information such as electricity, discharge phase, the electric discharge frequency.The detection method is as shown in Figure 1.The detection method needs GIS device testing
Room or in-site installation build coupled capacitor divider before putting into operation, and carry out single-point grounding, so that pulse current of PD signal
It is coupled from ground line.But the GIS device of live charging operation is largely multipoint earthing, therefore cannot be using shown in Fig. 1
Method carry out the detection of GIS equipment partial discharge pulse current.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to be based on flange valve snail
The GIS partial discharge detection device and method of bolt.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of GIS partial discharge detection device based on flange plate bolt, including GIS device and GIS device are connected with each other
Pulses of current sensor and with pulses of current sensor measuring appliance interconnected, the GIS device includes multiple phases
It the GIS shell that connects, the ring flange for being set to GIS shell both ends, flange plate bolt, gasket, nut and is respectively arranged at
GIS enclosure interior and disc insulator interconnected and bus guide rod, the GIS shell and disc insulator pass through flange
Disk and flange plate bolt interconnection, the gasket and nut are respectively arranged at the both ends of flange plate bolt, the pulse
Current sensor is installed on the side of ring flange, the GIS shell, ring flange, nut, gasket, method by flange plate bolt
The metal shell of blue valve snail bolt and pulses of current sensor forms pulse current circulation path, the pulse current circulation path
By pulses of current sensor.
Preferably, the gasket is set between nut and ring flange lateral surface, the pulses of current sensor peace
Loaded between ring flange lateral surface and gasket.
Preferably, the pulse current circulation path pass sequentially through the GIS shell of flange plate bolt side, ring flange,
After gasket and nut and flange plate bolt, then pass sequentially through the nut, gasket, ring flange, pulse of the flange plate bolt other side
Shelf depreciation occurs inside GIS device, generates pulse current on GIS shell for the metal shell and GIS shell of current sensor
When signal, which circulates along pulse current flow paths, and the GIS shell of the other side is flow to from the GIS shell of side
Body.
Preferably, the pulsed current signal is flow to along pulse current flow paths from one end of flange plate bolt another
When end, also cross pulses of current sensor, pulsed current signal is converted to voltage signal by the pulses of current sensor.
Preferably, the pulses of current sensor is arranged one, is installed on one end of a flange plate bolt.
Preferably, the pulses of current sensor is Rogowski coil HFCT, when detecting frequency band less than 1M, the arteries and veins
Current sensor is rushed using general pulse current method, when detecting frequency band is 3MHz-30MHz, the pulses of current sensor
Using high-frequency pulse current method.
Preferably, the measuring appliance is measuring device with electricity or on-Line Monitor Device, when the measuring appliance is electrification
When detection device, which is used for the inspection to GIS device and detects, in the detection process by measuring appliance and pulses of current sensor
Connection disconnects measuring appliance and pulses of current sensor after the completion of detection；It, should when the measuring appliance is on-Line Monitor Device
Device is used for the on-line monitoring to GIS device, and the measuring appliance is connect always with pulses of current sensor.
A kind of GIS partial discharge detection device progress GIS partial discharge detection using described based on flange plate bolt
Method, comprising the following steps:
1) shelf depreciation generates pulsed current signal on GIS shell inside GIS device；
2) pulsed current signal flow to the GIS shell of the other side from the GIS shell of side along pulse current flow paths,
Pulses of current sensor is simultaneously flowed through, pulsed current signal is converted to voltage signal by pulses of current sensor；
4) voltage signal is transferred to measuring appliance；
5) parameter for the voltage signal that measuring appliance measurement receives detects inside GIS device according to the parameter of the voltage signal
The case where shelf depreciation.
Preferably, the pulses of current sensor is Rogowski coil HFCT, when detecting frequency band less than 1M, the arteries and veins
Current sensor is rushed using general pulse current method, when detecting frequency band is 3MHz-30MHz, the pulses of current sensor
Using high-frequency pulse current method.
Preferably, the measuring appliance is measuring device with electricity or on-Line Monitor Device, when the measuring appliance is electrification
When detection device, this method is used for the inspection to GIS device and detects, and measuring appliance receives voltage signal parameter simultaneously in the detection process
It measures；When the measuring appliance is on-Line Monitor Device, this method is used for the on-line monitoring to GIS device, measuring appliance
It real-time reception voltage signal and is measured in GIS device normal course of operation.
Compared with prior art, the invention has the following advantages that
1) present invention is according in the GIS device of multipoint earthing, and two are serially connected between the ring flange of shell and do not set insulation,
And the characteristics of being connected by fixing bolt, Rogowski coil HFCT is installed between ring flange and gasket, using two GIS shells in method
The pulse current circulation path of blue disk junction directly carries out measuring for pulse current, without single-point grounding, solves GIS
Equipment charging operation after substation installs is multipoint earthing, so that scene can not carry out the pulse electricity of GIS equipment partial discharge
The problem of stream detection；
2) the present invention is based on the installation that flange plate bolt carries out Rogowski coil HFCT, the Rogowski coil HFCT installed is outer
Formula is set, it is easy for installation, and the original sealing structure of GIS device and internal insulating Design are not destroyed, it can be tieed up in existing operation
Protect and lead then lower installation；
3) measuring appliance in the present invention can select live detection equipment or on-line monitoring equipment, select online detection instrument
When, by keeping the connection between coaxial cable and Rogowski coil HFCT, pulse current circulation path in real-time monitoring GIS device
On pulsed current signal production, without influence GIS device normally run, improve the adaptability and reality of apparatus of the present invention
The property used.
Detailed description of the invention
Fig. 1 is existing offline GIS partial discharge pulse current detection method schematic diagram；
Fig. 2 is the principle of the present invention schematic diagram；
Fig. 3 is the single pulse electricity that the GIS guide rod tip veining defect shelf depreciation acquired using the method for the present invention is generated
Flow waveform；
Fig. 4 is the PRPD spectrogram that the GIS guide rod tip veining defect shelf depreciation acquired using the method for the present invention is generated.
Wherein, 1, pulses of current sensor (Rogowski coil HFCT), 2, gasket, 3, nut, 4, flange plate bolt, 5, GIS
Shell, 6, pulse current circulation path, 7, disc insulator, 8, bus guide rod, 9, coaxial cable, 10, measuring appliance, 11, flange
Disk.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 2, the present invention provides a kind of GIS partial discharge detection device based on flange plate bolt, generally comprise
Ring flange 10, pulses of current sensor (Rogowski coil HFCT) 1, gasket 2, nut 3, bolt, GIS shell 5, disc insulator 7,
Bus guide rod 8, coaxial cable 9 and measuring appliance 10, GIS shell 5, ring flange 10, nut 3, gasket 2 and flange plate bolt 4 are common
Pulse current circulation path 6 is formed, the specific location and connection of each component are illustrated below:
Multiple GIS shells 5 are serially connected, and the both ends of GIS shell 5 are equipped with ring flange 11, disc insulator 7 and bus guide rod
8 are set in GIS shell 5 and are connected with each other, and disc insulator 7 is connected by ring flange 10 and flange plate bolt 4 and GIS shell 5
It connects, gasket 2 and nut 3 are respectively arranged at the both ends of flange plate bolt 4, guarantee the sealing performance of GIS device, thus form GIS
Equipment, Rogowski coil HFCT are installed on the lateral surface of ring flange 10, peace as pulses of current sensor 1 by flange plate bolt 4
After the completion of dress, the positional relationship of ring flange 10, gasket 2, Rogowski coil HFCT 1 and nut 3 are as follows: between nut 3 and ring flange 10
Equipped with gasket 2, pulses of current sensor 1 is equipped between gasket 2 and ring flange 10.So that by GIS shell 5, ring flange 10, nut
3, the pulse current circulation path 6 that gasket 2, the metal shell of pulses of current sensor 1 and flange plate bolt 4 are collectively formed passes through
Pulses of current sensor 1, pulses of current sensor 1 are connect by coaxial cable 9 with measuring appliance 10.
In the present embodiment, one pulses of current sensor 1 only is set in one end of a wherein flange plate bolt 4.
Pulse current circulation path 6 passes sequentially through GIS shell 5, ring flange 10, gasket 2 and the spiral shell of 4 side of flange plate bolt
After cap 3 and flange plate bolt 4, then pass sequentially through nut 3, gasket 2, ring flange 10, the pulse electricity of 4 other side of flange plate bolt
Shelf depreciation occurs inside GIS device, pulse electricity is generated on GIS shell 5 for the metal shell and GIS shell 5 of flow sensor 1
When flowing signal, which circulates along pulse current flow paths 6, flow to the other side from the GIS shell 5 of side
GIS shell 5, when the pulsed current signal flow to the other end from one end of flange plate bolt 4 along pulse current flow paths 6,
Also cross pulses of current sensor 1, pulsed current signal is converted to voltage signal by pulses of current sensor 1.
The working characteristics of pulses of current sensor 1 meets the requirement of pulse current of PD method: when detection frequency band is less than
When 1M, using general pulse current method；When detecting frequency band is 3MHz-30MHz, using high-frequency pulse current method.Pulse current
The size mutual cooperation of the dimensional parameters and gasket 2, nut 3, bolt of sensor 1.
Single-point grounding mode be in each segmentation of GIS shell one end setting insulation, the other end use single-point grounding, one
As in structure, between concatenated two shells at ring flange insulate, between shell and ground at shell support be arranged insulation.
Multipoint earthing mode is in some segmentation of GIS shell, using multipoint earthing more than two o'clock conductor connected with outer casing and greatly
Ground, generally in structure, shell support is on-insulated, does not also set insulation between the ring flange of concatenated two shells, and with fixing
Bolt conducting.
Cardinal principle of the invention is: the shelf depreciation that GIS device internal flaw generates can pass through bus guide rod 8 and shell
Between existing capacitor, and faint pulsed current signal is generated on GIS shell 5, which passes sequentially through method
After the GIS shell 5 of blue 4 side of valve snail bolt, ring flange 10, gasket 2, nut 3 and flange plate bolt 4, then pass sequentially through flange
The nut 3 and gasket 2 of 4 other side of valve snail bolt, finally flow to the GIS shell 5 of 10 other side of ring flange, to form access.Cause
This installs pulses of current sensor 1 additional on bolt, so that it may pulsed current signal is converted to voltage signal, to be sent to survey
Measuring device 10 forms GIS equipment partial discharge pulse current live detection and on-line monitoring method based on flange plate bolt 4.
The GIS partial discharge detection method based on flange plate bolt that the present invention also provides a kind of, comprising the following steps:
1) shelf depreciation generates pulsed current signal on GIS shell 5 inside GIS device；
2) pulsed current signal flow to the GIS shell of the other side from the GIS shell 5 of side along pulse current flow paths 6
5, pulses of current sensor 1 is simultaneously flowed through, pulsed current signal is converted to voltage signal by pulses of current sensor 1；
4) voltage signal is transferred to measuring appliance 10 by coaxial cable 9；
5) measuring appliance 10 measures the parameter of the voltage signal received, according to the parameter of the voltage signal, detects in GIS device
The case where portion's shelf depreciation.
In the present embodiment, measuring appliance 10 is measuring device with electricity, for the pulse current of PD signal to GIS device
Inspection detection is carried out, measuring appliance 10 is docked by coaxial cable 9 with pulses of current sensor 1 in inspection, acquisition pulse electric current
Coaxial cable 9 is disconnected at the end of work and being sensed with pulse current by the voltage signal that pulsed current signal is converted by sensor 1
The connection of device 1.
Embodiment 2
In the present embodiment, measuring appliance 10 is on-Line Monitor Device, for carrying out pulse current of PD letter to GIS device
Number on-line monitoring, measuring appliance 10 remains with pulses of current sensor 1 and connect by coaxial cable 9, real-time monitoring pulse
The voltage signal that pulsed current signal is converted by current sensor 1.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The staff for being familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (10)
1. a kind of GIS partial discharge detection device based on flange plate bolt, including it is GIS device, interconnected with GIS device
Pulses of current sensor and with pulses of current sensor measuring appliance interconnected (10), the GIS device includes multiple
GIS shell (5) interconnected, the ring flange (11) for being set to GIS shell (5) both ends, flange plate bolt (4), gasket (2),
Nut (3) and it is respectively arranged at GIS shell (5) internal and disc insulator (7) interconnected and bus guide rod (8), institute
The GIS shell (5) and disc insulator (7) stated are connected with each other by ring flange (11) and flange plate bolt (4), the gasket
(2) and nut (3) is respectively arranged at the both ends of flange plate bolt (4), which is characterized in that the pulses of current sensor passes through
Flange plate bolt (4) is installed on the side of ring flange (11), the GIS shell (5), ring flange (11), nut (3), gasket
(2), the metal shell of flange plate bolt (4) and pulses of current sensor (1) forms pulse current circulation path (6), described
Pulse current circulation path (6) passes through pulses of current sensor (1).
2. a kind of GIS partial discharge detection device based on flange plate bolt according to claim 1, which is characterized in that
The gasket (2) is set between nut (3) and ring flange (11) lateral surface, the pulses of current sensor (1) installation
Between ring flange (11) lateral surface and gasket (2).
3. a kind of GIS partial discharge detection device based on flange plate bolt according to claim 2, which is characterized in that
The pulse current circulation path (6) passes sequentially through the GIS shell (5), ring flange (11), pad of flange plate bolt (4) side
After piece (2) and nut (3) and flange plate bolt (4), then pass sequentially through the nut (3), gasket of flange plate bolt (4) other side
(2), part occurs inside GIS device for ring flange (11), the metal shell of pulses of current sensor (1) and GIS shell (5)
It discharges, when generating pulsed current signal on GIS shell (5), which circulates along pulse current flow paths (6),
The GIS shell (5) of the other side is flow to from the GIS shell (5) of side.
4. a kind of GIS partial discharge detection device based on flange plate bolt according to claim 3, which is characterized in that
When the pulsed current signal flow to the other end from one end of flange plate bolt (4) along pulse current flow paths (6), simultaneously
Across pulses of current sensor (1), pulsed current signal is converted to voltage signal by the pulses of current sensor (1).
5. a kind of GIS partial discharge detection device based on flange plate bolt according to claim 4, which is characterized in that
The pulses of current sensor (1) is arranged one, is installed on one end of a flange plate bolt (4).
6. a kind of GIS partial discharge detection device based on flange plate bolt according to claim 5, which is characterized in that
The pulses of current sensor (1) is Rogowski coil HFCT, when detecting frequency band less than 1M, the pulses of current sensor
(1) general pulse current method is used, when detecting frequency band is 3MHz-30MHz, the pulses of current sensor (1) is using high
Frequency pulse current method.
7. a kind of GIS partial discharge detection device based on flange plate bolt according to claim 1, which is characterized in that
The measuring appliance (10) is measuring device with electricity or on-Line Monitor Device, when the measuring appliance (10) is measuring device with electricity
When, which is used for the inspection to GIS device and detects, in the detection process by measuring appliance (10) and pulses of current sensor (1)
Connection disconnects measuring appliance (10) and pulses of current sensor (1) after the completion of detection；When the measuring appliance (10) is online prison
When surveying device, which is used for the on-line monitoring to GIS device, and the measuring appliance (10) and pulses of current sensor (1) are begun
Connection eventually.
8. a kind of GIS partial discharge detection device using as claimed in claim 4 based on flange plate bolt carries out the part GIS
The method of discharge examination, which comprises the following steps:
1) shelf depreciation generates pulsed current signal on GIS shell (5) inside GIS device；
2) pulsed current signal flow to the GIS shell of the other side from the GIS shell (5) of side along pulse current flow paths (6)
(5), it simultaneously flows through pulses of current sensor (1), pulsed current signal is converted to voltage signal by pulses of current sensor (1)；
4) voltage signal is transferred to measuring appliance (10)；
5) parameter for the voltage signal that measuring appliance (10) measurement receives detects inside GIS device according to the parameter of the voltage signal
The case where shelf depreciation.
9. a kind of GIS partial discharge detection method based on flange plate bolt according to claim 8, which is characterized in that
The pulses of current sensor (1) is Rogowski coil HFCT, when detecting frequency band less than 1M, the pulses of current sensor
(1) general pulse current method is used, when detecting frequency band is 3MHz-30MHz, the pulses of current sensor (1) is using high
Frequency pulse current method.
10. a kind of GIS partial discharge detection method based on flange plate bolt according to claim 8, which is characterized in that
The measuring appliance (10) is measuring device with electricity or on-Line Monitor Device, when the measuring appliance (10) is measuring device with electricity
When, this method is used for the inspection to GIS device and detects, and measuring appliance (10) receives voltage signal parameter in the detection process and carries out
Measurement；When the measuring appliance (10) is on-Line Monitor Device, this method is used for the on-line monitoring to GIS device, measuring appliance
(10) it real-time reception voltage signal and is measured in GIS device normal course of operation.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872790.5A CN110426616A (en) | 2019-09-16 | 2019-09-16 | A kind of GIS partial discharge detection device and method based on flange plate bolt |
| AU2020239762A AU2020239762A1 (en) | 2019-09-16 | 2020-07-31 | Device and method for detecting partial discharge of gas insulated switchgear based on flange bolt |
| PCT/CN2020/106428 WO2021052036A1 (en) | 2019-09-16 | 2020-07-31 | Gis partial discharge detecting device and method based on flange bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872790.5A CN110426616A (en) | 2019-09-16 | 2019-09-16 | A kind of GIS partial discharge detection device and method based on flange plate bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110426616A true CN110426616A (en) | 2019-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910872790.5A Pending CN110426616A (en) | 2019-09-16 | 2019-09-16 | A kind of GIS partial discharge detection device and method based on flange plate bolt |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN110426616A (en) |
| AU (1) | AU2020239762A1 (en) |
| WO (1) | WO2021052036A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052036A1 (en) * | 2019-09-16 | 2021-03-25 | 国网上海市电力公司 | Gis partial discharge detecting device and method based on flange bolts |
| CN112710934A (en) * | 2021-01-22 | 2021-04-27 | 杭州西湖电子研究所 | Partial discharge detection method for gas-insulated metal-enclosed switch cabinet |
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- 2019-09-16 CN CN201910872790.5A patent/CN110426616A/en active Pending
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2020
- 2020-07-31 AU AU2020239762A patent/AU2020239762A1/en not_active Abandoned
- 2020-07-31 WO PCT/CN2020/106428 patent/WO2021052036A1/en active Application Filing
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| WO2016019666A1 (en) * | 2014-08-07 | 2016-02-11 | 国家电网公司 | Method and device for detecting partial discharge of cable |
| CN104330713A (en) * | 2014-11-04 | 2015-02-04 | 日新电机（无锡）有限公司 | Partial discharge detecting structure for realizing high-voltage power capacitor |
| CN204989404U (en) * | 2015-09-22 | 2016-01-20 | 袁孝红 | Cable partial discharge on -line monitoring system |
| CN107688139A (en) * | 2017-09-22 | 2018-02-13 | 福州大学 | GIS disc insulator creeping discharge monitoring methods based on Leakage Current |
| CN108152694A (en) * | 2018-02-01 | 2018-06-12 | 清华大学 | A kind of GIS disc insulators detection method for local discharge |
| CN210720633U (en) * | 2019-09-16 | 2020-06-09 | 国网上海市电力公司 | GIS partial discharge detection device based on flange bolt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052036A1 (en) * | 2019-09-16 | 2021-03-25 | 国网上海市电力公司 | Gis partial discharge detecting device and method based on flange bolts |
| CN112710934A (en) * | 2021-01-22 | 2021-04-27 | 杭州西湖电子研究所 | Partial discharge detection method for gas-insulated metal-enclosed switch cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021052036A1 (en) | 2021-03-25 |
| AU2020239762A1 (en) | 2021-04-01 |
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