May 19, 2014 #1 R Rajnaveen Member level 2 Joined May 11, 2014 Messages 42 Helped 0 Reputation 0 Reaction score 0 Trophy points 6 Activity points 307 If a sine wave inverter is working with 20 Khz PWM and I want to operate it on 10Khz , does it effect efficiency of inverter ? what other factor it effect ?
If a sine wave inverter is working with 20 Khz PWM and I want to operate it on 10Khz , does it effect efficiency of inverter ? what other factor it effect ?
May 22, 2014 #2 B BradtheRad Super Moderator Staff member Joined Apr 1, 2011 Messages 15,199 Helped 2,900 Reputation 5,812 Reaction score 2,983 Trophy points 1,393 Location Minneapolis, Minnesota, USA Activity points 113,884 A slower operating frequency suggests longer time constants. If you have coils/transformers, then this suggests a need to increase Henry values. Possibly thicker wires. If you have capacitors, then you may need larger Farad values. Efficiency issues depend on where the losses are. Where current is increased, you get even greater I * I * R losses.
A slower operating frequency suggests longer time constants. If you have coils/transformers, then this suggests a need to increase Henry values. Possibly thicker wires. If you have capacitors, then you may need larger Farad values. Efficiency issues depend on where the losses are. Where current is increased, you get even greater I * I * R losses.