Cám ơn bác nhiều lắm. Nhờ bác tải giùm bài báo này:
Use of an LC filter to achieve a motor-friendly performance of thePWM voltage source inverter
Steinke, J.K.
Energy conversion, ieee transactions on
Volume 14, Issue 3, Sep 1999 Page(s):649 - 654
http://ieeexplore.ieee.org/Xplore/lo...hDecision=-203