Cám ơn bác nhiều. Nhờ bác tải giùm mình bài báo sau:
Comparison and mitigation of common mode voltage in power converter topologies
Wei, S.; Zargari, N.; Wu, B.; Rizzo, S.
Industry Applications Conference, 2004. 39th IAS Annual Meeting. Conference Record of the 2004 IEEE
http://ieeexplore.ieee.org/Xplore/lo...hDecision=-203