Overheat fault monitoring device and method for valve side sleeve of converter transformer

A converter transformer and fault monitoring technology, applied in transformer/inductor components, electrical component structure associations, electrical components, etc., can solve problems such as missed judgments, and achieve the effect of improving reliability and high reliability

Pending Publication Date: 2018-09-07
EAST INNER MONGOLIA ELECTRIC POWER COMPANY +1
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Problems solved by technology

The above methods all take samples from the air chamber of the equipment for analysis at regular intervals. At this t

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  • Overheat fault monitoring device and method for valve side sleeve of converter transformer

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Embodiment Construction

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the product of the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings.

[0028] Such as figure 1 As shown, a converter transformer valve side bushing overheat fault monitoring device, including SO 2 Detecting head 1, processing module 2, battery 3, GSM module 4 and mobile terminal 5, described battery 3 is used for SO 2 Probing head 1 and processing module 2 are powered, the SO 2 The detection head 1 is directly installed in the air chamber of the valve side casing through the flange opening on the valve side casing air chamber, and is used to detect whether there is SO in the gas chamber. 2 gas, the SO 2 The working temperature range of the probe head 1 is -40°C to 120°C, the measurement range is 0ppm to 500ppm, and the measurement accuracy is 1ppm. The processing module 2 is install...

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Abstract

The invention discloses an overheat fault monitoring device for a valve side sleeve of a converter transformer. The overheat fault monitoring device comprises an SO2 detection head, a processing module, a battery, a GSM module and a mobile terminal, wherein the battery is used for supplying power to the SO2 detection head and the processing module; the SO2 detection head is directly arranged in agas chamber of the valve side sleeve through a flange opening in the gas chamber of the valve side sleeve, and used for detecting whether SO2 gas exists in the gas chamber or not; the processing module is arranged on an outer wall of the valve side sleeve and connected with the SO2 detection head through a cable, and establishes a communication connection with the mobile terminal through the GSM module; a detection result is sent to the mobile terminal through the GSM module; and the mobile terminal is used for receiving the detection result, and judging the location of a failed sleeve. The overheat fault monitoring device for the valve side sleeve of the converter transformer disclosed by the invention is used for realizing overheat fault monitoring of the valve side sleeve of the converter transformer, and timely reporting an abnormal state to operation and maintenance personnel to provide a basis for the corrective maintenance of the valve side sleeve, so that the operation and maintenance personnel can timely know the position of the failed valve side sleeve, and timely perform operation and maintenance.

Description

technical field [0001] The invention relates to the technical field of overheating fault monitoring of a valve side bushing of a converter transformer, in particular to a valve side bushing overheating fault monitoring device and a monitoring method of a converter transformer. Background technique [0002] The converter transformer and its valve-side bushing are important equipment for the interface between the converter and the inverter in the AC and DC transmission systems. Because they have to withstand the joint action of the AC electric field, DC electric field and magnetic field, they are required to have high reliability. and high technical performance. With the increase of DC transmission capacity and voltage level, compared with other primary equipment in the converter station, the valve side bushing is more prone to failure, which also puts forward higher requirements on the manufacturing level and operation reliability of the valve side bushing. During the operat...

Claims

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Application Information

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IPC IPC(8): H01F27/40
CPCH01F27/402H01F2027/406
Inventor 李文震王东升陈师宽曹永东冯新文陈辉张海龙杨义勇范胜国程林江翼李飞赵刚
Owner EAST INNER MONGOLIA ELECTRIC POWER COMPANY
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