Monitoring system and monitoring method for transformer

A monitoring system and transformer technology, which is applied in the field of power system to ensure the safety of electricity consumption and improve the accuracy

Inactive Publication Date: 2017-10-10
HEFEI TONGYOU ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • Monitoring system and monitoring method for transformer
  • Monitoring system and monitoring method for transformer

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Experimental program
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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 present invention discloses a monitoring system and a monitoring method for a transformer. The monitoring system comprises a transformer, a power supply module for supplying a 220V voltage to the transformer, a low-voltage-side voltage acquisition module, a high-voltage-side voltage acquisition module, a gas chromatography detection module, a microprocessor, a communication module, a multi-frequency ultrasonic sensor, and a database. The gas chromatography detection module is used for detecting the content ratios of methane and acetylene relative to the total hydrocarbon in the transformer oil. The multi-frequency ultrasonic sensor is used for detecting the transformer oil and acquiring a plurality of groups of ultrasonic parameters different in frequency. The microprocessor is used for receiving ultrasonic parameters acquired by the multi-frequency ultrasonic sensor and determining the running state of the transformer. According to the monitoring system and the monitoring method, the detection of the transformer is conducted based on the gas chromatography detection technology, the multi-frequency ultrasonic detection technology and the like. Therefore, the accuracy of fault diagnosis 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): G01R31/12G01N30/00G01N29/02
CPCG01R31/12G01N29/02G01N30/00G01R31/1209G01R31/1263
Inventor 李丹丹
Owner HEFEI TONGYOU ELECTRONICS TECH CO LTD
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