Defect detection device and detection method of enclosed gas insulation combined electric appliance
A technology of gas insulation combination and defect detection, applied in the field of electric power
Inactive Publication Date: 2020-02-21
SHENZHEN POWER SUPPLY BUREAU
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[0004] Based on this, it is necessary to provide a defect detection device and detection method for a closed gas-insulated combined electrical appliance for the problem of how to accurately detect the discharge of the defect model in the enclosed gas-insulated combined electrical appliance
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[0063]In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.
[0064] The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning. The "connection" and "connection" menti...
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The invention relates to a defect detection device and a detection method of an enclosed gas insulation combined electric appliance. The detection device comprises a tank body, a power supply and a gas component detection device. A first space can be defined by the tank body. The first space is used for storing a defect model. An air vent is formed in the tank body. Insulation gas is filled in thefirst space. The power supply is electrically connected with the defect model. The gas component detection device comprises a detection gas inlet. The detection gas inlet is communicated with the airvent. The gas component detection device is used for detecting a content of a gas component in the first space. The defect detection device of the enclosed gas insulation combined electric applianceaccurately detect the content of the gas component in the first space when the defect model discharges, and a one-to-one correspondence relationship between a defect of the enclosed gas insulation combined electric appliance and the gas component is convenient to establish. An operator can accurately judge a type of the defect by detecting the gas component according to the established correspondence relationship.
Description
technical field [0001] The present application relates to the field of electric power technology, in particular to a defect detection device and detection method of a closed gas-insulated combined electrical appliance. Background technique [0002] The closed gas-insulated combined electrical apparatus is composed of circuit breakers, isolating switches, grounding switches, transformers, lightning arresters, busbars, connectors, and outlet terminals. A high-voltage device enclosed in a metal grounded enclosure, which generally uses SF 6 The gas acts as an insulating and arc extinguishing medium. It is very important for the detection of defects in closed gas-insulated combined electrical appliances. [0003] Common defects in closed gas-insulated combined electrical appliances mainly include metal protrusion defects, metal floating potential defects, free metal particle defects, bubble defects inside the insulator, and contamination defects on the surface of the insulator,...
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IPC IPC(8): G01R31/12
CPCG01R31/1281
Inventor 唐峰张欣向真
Owner SHENZHEN POWER SUPPLY BUREAU