Transformer monitoring system and monitoring method

A technology for monitoring systems and transformers, which is applied in transformer testing, instruments, measuring electricity, etc., to achieve the effect of improving accuracy and ensuring electricity safety

Inactive Publication Date: 2017-09-01
HEFEI LIYUANJIE INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, regular annual oil sampling cannot provide meaningful information for judging the real safety status of the transformer

Method used

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  • Transformer monitoring system and monitoring method
  • Transformer monitoring system and monitoring method

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Experimental program
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Effect test

Embodiment 1

[0034] Such as figure 1 As shown, a transformer monitoring system in this embodiment includes a transformer 1, a power supply module 2 that provides 220V voltage for the transformer, and also includes a low-voltage side voltage acquisition module 3, a high-voltage side voltage acquisition module 4, a gas chromatography monitoring module 5, and a micro Processor 6 , communication module 7 , multi-frequency ultrasonic sensor 8 , database 9 , power control module 10 , ultrasonic emission module 11 , temperature sensor 12 , and alarm module 13 .

[0035] Specifically, the low-voltage side voltage acquisition module 3 is used to collect voltage information on the low-voltage side of the transformer, and the high-voltage side voltage acquisition module 4 is used to collect voltage information on the high-voltage side of the transformer.

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Abstract

The invention discloses a transformer monitoring system and monitoring method. The monitoring system comprises a transformer, a power supply module supplying 220V voltage to the transformer, a low-voltage side voltage acquisition module, a high-voltage side voltage acquisition module, a gas chromatogram monitoring module, a microprocessor, a communication module, a multi-frequency ultrasonic sensor and a database, wherein the gas chromatogram monitoring module is used for detecting the content of total hydrocarbons in methane and acetylene in transformer oil; the multi-frequency ultrasonic sensor detects the transformer oil and acquires different ultrasonic parameters at multiple frequencies; the microprocessor is used for receiving the ultrasonic parameters acquired by the multi-frequency ultrasonic sensor and determining the operation state of the transformer. According to the monitoring system and the monitoring method, the transformer is detected with a gas chromatogram detection technology, a multi-frequency ultrasonic detection technology and other technologies, the fault diagnosis accuracy is improved, and the fault type of the transformer can be timely analyzed.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a transformer monitoring system and monitoring method. Background technique [0002] With the improvement of people's living standards, the requirements for the power industry are increasing, and it is hoped to obtain power services with qualified voltage quality and uninterrupted power supply. Therefore, it is the responsibility of every power worker to improve the quality of power supply and ensure the power supply time. Transformer is an important power supply equipment. Traditional transformers are mostly erected on wire poles. Although they have protective casings, they have been eroded by the external environment for a long time, which will still affect the normal operation and service life of the transformer. More and more box-type transformers are used in the power industry. This kind of box-type transformer has a simple structure, lacks monitoring settings, and la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R31/02G01R31/12
CPCG01R31/00G01R31/1227G01R31/50G01R31/62
Inventor 不公告发明人
Owner HEFEI LIYUANJIE INFORMATION TECH CO LTD
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