E elecLear78 Member Sep 9, 2017 #1 I am bit confused with this. When should i use center aligned pwm and when edge aligned pwm for 3 phase driver. Will there be any performance difference? Please advice. I am not sure if i am giving enough information.
I am bit confused with this. When should i use center aligned pwm and when edge aligned pwm for 3 phase driver. Will there be any performance difference? Please advice. I am not sure if i am giving enough information.
cowboybob Well-Known Member Most Helpful Member Sep 9, 2017 #2 In essence, a center aligned pwm 3 phase driver results in fewer harmonics than an edge aligned arrangement. See this ETO thread and this TI pub (pp. 9 & 10). I'm sure there's other expositions on this subject.
In essence, a center aligned pwm 3 phase driver results in fewer harmonics than an edge aligned arrangement. See this ETO thread and this TI pub (pp. 9 & 10). I'm sure there's other expositions on this subject.