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Power transformer is the most basic and core equipment of the power system, the transformers insulation degradation will rapidly develop into a fault, cause a large-scale blackout and a serious damage of the production and life.Therefore, it is very important to monitor the insulation status of the transformer, and partial discharge is an important reference for the insulation performance of the transformer. The recognition of the partial discharge types helps to assess the form and degree of transformer insulation deterioration, find hidden dangers in time, and avoid transformer failures.
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IEEE/ICACT20220141 Slide.02
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