Function of the power transformer is the power transmission, transformation and insulation voltage isolation, as a major soft magnetic components, power technology and power electronics technology has been widely used. According to the transmission power of the size, power transformers can be divided into several files: 10kVA above for high-power, 10kVA ~ 0.5kVA power LED lighting driver for power transformers, 0.5kVA ~ 25VA POE network for small power supply transformer, 25VA The following is a micro-power . Transmit power is different, not the same design of the power transformer, should be self-evident. Conventional power transformer maintenance methods are summarized as follows: First, the external surface cleanliness: Transformers surface should be free of the contamination. Second, the insulating sleeve External: External insulation jacket should be clean and free of serious oil, complete no damage, no cracks, no corona discharge and flashover. Third, listen to the sound: Transformers normal operation, generally uniform "buzzing" sound, which is caused by the sound due to the alternating magnetic flux core tremor issued, there should be no discharge sound crackling noise and uneven. Fourth, the conservator of oil color, oil level: each part should be no oil leakage, vulnerability phenomenon; normal transformer oil should be transparent yellowish color yellow, such as reddish brown oil may be spoiled or contaminated oil level gauge itself caused. Five top oil: transformer temperature should generally be in the upper 85 charge less, such as a sudden increase in laser power transformer oil, cooling equipment may be faulty, it could be a transformer internal fault; for oil-immersed self-cooled transformers, The heat sink temperature of each part are significantly different, it may be clogging the pipeline there. Induction Lamp power transformers, Wal Teng Technology (certified), Nanjing, Jiangsu power transformer provided by Wal Teng Technology Electronic Equipment Factory. Nanjing Wolfowitz Proton Technology Electronic Equipment Factory (www.njwtt.com) is Nanjing, the other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In NJWTT Wal Teng technology leadership with the staff warmly welcome all inquiries negotiations to create fertile Teng Technology NJWTT a better future.