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Live detection system of oil-immersed transformer in nuclear power plant

An oil-immersed transformer and live detection technology, which is applied in the direction of measuring electrical variables, measuring current/voltage, instruments, etc., can solve the problems of low detection efficiency of oil-immersed transformers, reduce the overall inspection and maintenance time, and improve the overall maintenance efficiency , The effect of improving the detection efficiency

Active Publication Date: 2022-03-29
LINGDONG NUCLEAR POWER +5
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Problems solved by technology

[0004] The purpose of the present invention is to provide a live detection system for oil-immersed transformers in nuclear power plants, so as to solve the problem of high-efficiency positioning and detection of faults in pressure equalizing covers in oil-immersed transformers in nuclear power plants in the prior art, thereby enabling oil-immersed The technical problem of low overall detection efficiency of type transformers

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[0041] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0042] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0043] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...

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Abstract

The invention belongs to the technical field of power transmission, distribution and protection of nuclear power plants, and provides a live detection system for an oil-immersed transformer in a nuclear power plant, including a vibration measurement module for a bushing equalizing cover and an oil-immersed transformer in a nuclear power plant. The oil-immersed transformer in a nuclear power plant includes a shell , high-voltage bushing, bushing lead wire and pressure equalizing cover. The high-voltage bushing includes a bushing body and a bushing shell set outside the bushing body. On the elevated seat, one end of the high-voltage bushing extends into the casing, the other end of the high-voltage bushing extends out of the casing, the bushing body at one end of the high-voltage bushing is connected to the bushing lead wire, and the equalizing cover It is fixed on the bushing body by bolts and covered outside the connection between the bushing lead wire and the bushing body. The system provided by the invention can realize the function of efficiently locating and detecting the faults of the voltage equalizing cover in the oil-immersed transformer, and further improve the overall detection efficiency of the oil-immersed transformer.

Description

technical field [0001] The invention belongs to the technical field of power transmission, distribution and protection of nuclear power plants, and more specifically relates to a live detection system for oil-immersed transformers of nuclear power plants. Background technique [0002] At present, in the process of inspection and maintenance of oil-immersed transformers in nuclear power plants, it is necessary to detect whether the bolts of the voltage equalizing cover in the oil-immersed transformer are loose or fall off (the looseness or fall of the bolts will cause phenomenon of corona discharge), in the prior art, to detect whether the bolts of the voltage equalizing cover in the oil-immersed transformer are loose or fall off, firstly, the transformer oil in the oil tank of the oil-immersed transformer needs to be drained. Only after that can the problem of the pressure equalizing cover be detected and located, but the treatment process of oil discharge treatment will pro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/12G01R19/00G01R23/16G01J5/00G01H11/08G01N30/02
CPCG01R31/1227G01R19/0092G01R23/16G01J5/0096G01H11/08G01N30/02
Inventor 姚林刘定勇陈剑锋王晓刘卓
Owner LINGDONG NUCLEAR POWER
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