Lets say I'm using an IGBT. I have it hooked up like a MOSFET inverter lets say. If I have the source energized with AC, and I apply a DC current to the gate, will I get AC as output, will the IGBT rectify the output current, or will I get DC riding over AC?
2006-08-04 06:17:09 · 5 answers · asked by caffiene_freek 2 in Science & Mathematics ➔ Engineering
An IGBT is an Insulated Gate Bipolar Transistor. Very similar to a MOSFET, but with higher gain. I am looking to make a cheap solid state relay to switch AC. I know that soild-state relays are available, but not in the amperage rating I need.
2006-08-04 07:29:46 · update #1
I may have found an answer, on this website: http://www.epanorama.net/circuits/semiconductor_relays.html#normalopto
2006-08-04 07:43:16 · update #2
I think if you use an E-type (enhancement mode only) MOSFET and apply a DC gate voltage, then the output on the drain should be passed through right from the source. So I think this will work. With a DE-type, I still don't think you'll get AC riding on DC but it may be attenuated (since these transistors operate in the linear range).
But don't listen to me. I haven't touched a MOSFET in 10 years.
2006-08-04 06:22:22 · answer #1 · answered by I Know Nuttin 5 · 0⤊ 0⤋
I once worked on a VFD that used IGBT's as the incoming three-phase bridge, so I would say "yes" to the IGBT. Why they didn't use diodes or SCR's like the rest of the world is beyond me, but they were indeed IGBT's. Not sure about the MOSFET.
2006-08-04 13:48:07 · answer #2 · answered by Answer Master Dude 5 · 0⤊ 0⤋
Mosfet Ac Switch
2016-10-31 08:26:51 · answer #3 · answered by Erika 4 · 0⤊ 0⤋
you have to convert AC source to DC. IGBT will work only with DC supply.
2006-08-04 08:12:45 · answer #4 · answered by HIMANSHU 1 · 0⤊ 0⤋
who makes the IGBT? Do you need any more?
2006-08-04 06:38:21 · answer #5 · answered by Anonymous · 0⤊ 0⤋