其实你是问PF70变频器的PWM频率参数号?基波是指工频电网额定频率啊。不过我怀疑你改PWM频率是不是解决问题?
变频器加了输入输出滤波器么?
151 [PWM Frequency]
Sets the carrier frequency for the PWM
output. Drive derating may occur at higher
carrier frequencies. For derating
information, refer to the PowerFlex
Reference Manual, publication
PFLEX-RM001.
Default:
Min/Max:
Units:
4 kHz
2, 3, 4, 5, 6, 7, 8, 9, 10 kHz
2, 4, 8, 12 kHz (1)
1 kHz
(1) Frames A…D only.
Max Speed
Accel Time
= Accel Rate
Max Speed
Decel Time = Decel Rate
E C