0
votes
1answer
242 views

Control AC using FET

Trying to make a AC fan controller using Arduino and FET ST13005A. Instead of pwm with TRIAC or SSR, like to have fine control over the voltage. Voltage 230 V 50 Hz. Please see if the below ...
2
votes
3answers
414 views

AC heater, bridge and MOSFET, possible?

In my project I already have all the circuits for a PWM driving some high power MOSFET. Now the hardware guys are coming with this AC heater, and I've been breaking my head around Triacs and phase ...
3
votes
2answers
2k views

What is the formal definition of Quiescent Point?

What is Quiescent Point? Is it necessary for it to be related with any V vs I , I vs I, or any such characteristic curves intersection point?
4
votes
3answers
630 views

High power three phase ac motor controller

I have come across this question a lot in the design of a special 3 phase motor controller I plan to build this summer and I think I need to ask it directly to solve it. I need to be able to ...