Nhờ bác tải thêm tài liệu này nữa:
- Natural balancing of three-level neutral-point-clamped PWM inverters
du Toit Mouton, H.
Industrial Electronics, IEEE Transactions on
Volume 49, Issue 5, Oct 2002 Page(s): 1017 - 1025
http://ieeexplore.ieee.org/Xplore/lo...796.pdf?temp=x
- A simple space vector PWM scheme to operate a three-level NPC inverter at high modulation index including over-modulation region, with neutral point balancing
Gupta, A.K. Khambadkone, A.M.
Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore, Singapore;
Publication Date: 2-6 Oct. 2005
Volume: 3, On page(s): 1657- 1664 Vol. 3
Current Version Published: 2005-10-24
http://ieeexplore.ieee.org/xpls/abs_...number=1518669