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Signal detection system for GIS oscillation impact withstand voltage test

A technology of vibration shock and signal detection, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as few researches, and achieve high reliability and practicability

Inactive Publication Date: 2017-07-07
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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Problems solved by technology

At present, there are not many studies on partial discharge detection and insulation evaluation under oscillating impulse voltage

Method used

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  • Signal detection system for GIS oscillation impact withstand voltage test

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Embodiment Construction

[0023] based on the following figure 1 Preferred embodiments of the present invention will be described in detail.

[0024] Such as figure 1 As shown, the present invention provides a signal detection system for GIS oscillation shock withstand voltage test, comprising:

[0025] Electrically connected to the oscillating impact high-voltage power supply 3 of the GIS test object 7;

[0026] The impact high voltage control unit 2 electrically connected to the oscillating impact high voltage power supply 3;

[0027] Electrically connect the oscillating impact high-voltage power supply 3 and the capacitive voltage divider 4 of the GIS test product 7;

[0028] Electrically connected to the current detection module 6 of the GIS test product 7;

[0029] A UHF sensor 8 electrically connected to the GIS test object 7;

[0030] A collection and storage device 5 electrically connected to the capacitive voltage divider 4, the current detection module 6 and the UHF sensor 8;

[0031] T...

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PUM

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Abstract

A signal detection system for a GIS oscillation and impact withstand voltage test, comprising an oscillation and impact high-voltage power supply electrically connected to a GIS test product, an impact high-voltage control unit electrically connected to the oscillation and impact high-voltage power supply, and electrically connected to the oscillation and impact high-voltage power supply and the GIS test product The capacitive voltage divider, the signal detection module electrically connected to the GIS test product, the acquisition and storage device electrically connected to the capacitive voltage divider and the signal detection module, and the main control unit electrically connected to the impact high voltage control unit and the acquisition and storage device display device. The invention realizes comprehensive detection and collection of partial discharge data under oscillation impulse voltage, and has high reliability and practicability.

Description

technical field [0001] The invention relates to a signal detection system for a GIS oscillation shock withstand voltage test. Background technique [0002] Gas-insulated metal fully-enclosed switchgear (GIS) is more and more widely used in power grids. With the large-scale construction of power grids, more and more power outages are caused by GIS insulation failures. In order to improve the reliability of GIS operation Relevant standards recommend on-site impulse voltage withstand test for GIS equipment. IEC60060-3 recommends the use of high-efficiency oscillatory impulse voltage as the voltage waveform of the on-site withstand voltage test. Partial discharge measurement is carried out at the same time as the impulse withstand voltage test, and the overall insulation strength and local insulation state of the GIS equipment can be obtained, so as to conduct a comprehensive evaluation of the equipment insulation. At present, there are not many studies on partial discharge de...

Claims

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Application Information

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IPC IPC(8): G01R31/12
CPCG01R31/1254
Inventor 周彦郭磊袁鹏邵峰郭旭峰张可夫叶辉赵华
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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