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Reasons for the automatic trip of the dry type transformer

AddTime:2018-10-27 11:03:45   Views:     【 Big Mid Small 】   Print   Close

Baoding dry type transformer no matter what causes tripping, on the one hand should transfer the load as soon as possible, change the operation mode. On the other hand, find out what kind of protective action. The submersible pump should be stopped immediately, the protection action should be checked and there is no normal phenomenon, the transformer is not overloaded when tripping, and the feeder line is not tripping at the same time. Apart from confirming that the wrong action can be closed immediately, the insulation resistance should be measured and judged according to the following situations:

(1) if the transformer insulation resistance and the external environment are all normal and the gas relay has no gas, the fault line (equipment) can be cut off and the transformer can be restored to operation.

(2) tripping due to excessive load, the main transformer is input after load reduction;

(3) the system is free of short circuit and normal in all aspects. At this time, check the secondary circuit of relay protection and switch mechanism for wrong operation. If the wrong operation is done, the transformer can be restored after eliminating the defect. If the cause cannot be found, the insulation resistance and dc resistance of the transformer should be measured, the free carbon of the transformer oil should be checked, and the operation can be resumed according to the analysis. The transformer shall not be put into operation if any abnormal phenomenon is found.

Baoding zhongyi electric material manufacturing co., LTD is a professional manufacturer of transformer for baoding transformer factory. It has professional production equipment, hoisting, tooling and testing equipment, and has established a perfect quality management system.


Main products of the company: baoding dry type transformer, baoding box type transformer, baoding oil immersed transformer, baoding high and low voltage complete sets of equipment. I companies to follow "detail decides success or failure, honesty molded the future" of the enterprise purpose, adhere to "quality measuring market, seek development by innovation, to management for efficiency" business philosophy, to make my company's products are widely used in power plant, chemical, construction, mining, metallurgy, rail transportation and other industries, to meet the needs of various users, my company rely on superior product quality, thoughtful service, won the trust of our customers.


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