Abstract

The transformer fire-fighting nitrogen injection extinguishing system plays an important role in preventing transformer fires in the field of power transformation. However, the fire-fighting system operating on site is often misoperation or non-operation caused by electromagnetic interference and other factors, which affects the reliability of transformer fire extinguishing. This paper builds an electromagnetic compatibility platform for the fire control cabinet of the transformer oil discharge and nitrogen injection system to develop the simulation system of the oil discharge and nitrogen injection fire extinguishing device, and study the factors affecting the reliability of the oil discharge and nitrogen injection fire extinguishing device. Electromagnetic compatibility test refers to a test that uses electromagnetic interference detection equipment and electromagnetic interference generation equipment to assess the electromagnetic compatibility of systems and equipment under laboratory or external environmental conditions. The electromagnetic compatibility test is mainly divided into electrostatic test, electric fast pulse EFT, surge impact and so on.

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