Health and insulation transformer operating conditions determine

Power transformers are grid energy conversion, transmission core, is the power of the most important and one of the most critical equipment. Over the years, the health of the transformer and insulation determine operating conditions through preventive tests and regular electric transformer outage to achieve such status regardless of the actual operation of the transformer, "maturity required" maintenance mode, prone to "over-repair "and" less maintenance "state. Therefore, in the power system reliability and  mcb circuit breaker  request of the state instead of regular maintenance, repair power transformer maintenance mode has become an inevitable trend. In this paper, the power transformer failure modes and effects analysis, based on the respect of the reliability of the transformer fault probability of occurrence.