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Power adapter leakage how to do?
2022-09-13      Views:32

In the plumbing project, power adapter is an essential household item, power adapter leakage how to do, the market is still a lot of power adapter products, many functions, many brands, so the choice also needs special attention. A good brand will avoid the leakage of electricity, power adapter leakage current standard is how much? Here we understand some power adapter fault handling, so that we know how to deal with power adapter leakage how to deal with it.


Power adapter leakage how to do, power adapter primary high voltage through the high-frequency transformer isolation, the output side theoretically does not exist leakage. But the high-frequency switch metal shell is easy to induce voltage, giving the impression of leakage. Generally eliminated by grounding. Power adapter leakage how to do, there are individual prevention and control power adapter on the market, a high-voltage part of the process is poor, some solder joints rely on paste insulating paper and metal shell isolation, very dangerous. (AC220V through the low-frequency rectifier bridge, capacitor filtering into DC300V, and then through the high-frequency switching tube, high-frequency isolation transformer to generate alternating, high-frequency isolation transformer secondary end induction alternating low-voltage, through high-frequency rectification, filtering into low-voltage DC power.) The best shell grounding. Or in less demanding occasions, remove the capacitor connected to the shell, the high-voltage part of the capacitor connected to the low-voltage part.





Power adapter leakage current standard, need to use withstand voltage tester. The leakage current value measured by the withstand voltage tester, minus the current value of the power adapter to ground capacitor, is the leakage current of the power adapter. Or disconnect the power adapter to ground capacitance, the leakage current value measured by the withstand voltage tester is the leakage current value that needs to be measured.


In household appliances, the leakage current is the safety current between the running electrical part and the metal after insulation. The leakage current of electrical appliances used for 220V AC is 0.75MA. very small. One end of the AC ho-amp meter is connected to the power supply, and after removing the ground wire, the other end of the AC ho-amp meter can be connected to the intermetallic. Learn more about power adapter information, please pay attention to BON.




                                                             Shenzhen BON Electronics Co.,LTD.




Shenzhen BON Electronics Co.,LTD. was founded in 2001, presently located in the most dynamic and creative Chinese city Shenzhen. As a well-established combination of R & D, manufacture and sale, the company specializes in power adapter and charger for digital communication product. Currently, the company has ISO9001 Quality Control System certification, international safety and environment-friendly certification of ETL, CCC,CE, RoHS and FCC, etc.



After more than ten-year operation with great concentration since establishment of the company, with our strict management, excellent R & D, high product reliability, customer-oriented service, as well as full support from our customers and various friends, our products sell to more than 100 countries and regions all over North America, South America, Europe, etc. Based on a good reputation and popularity with customer praise and confidence, BON has been a leading company in the industry.



With BON operation principle of Surpassing and innovation (Innovation beyond)and Double-win Based on Consistent Accumulation”, BON enterprise spirit of “Dedication, Ambitiousness, High-quality and Integrity”, BON has been consistently aiming at “Providing Technical Convenience and Happiness to More People with Double-win Policy”! BON Electronics expects sincere cooperation with all our customers in purposes of co-development and double-win.



Welcome to contact us for more details.


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