 Mains ZVS driver
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vasil
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Sat Jul 21 2007, 01:43PM
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Registered Member #229
Joined: Tue Feb 21 2006, 07:33PM
Location: Romania
Posts: 506
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I would like to use FETs in the Mazzilli driver configuration, just because I would not want be bothered to wind high inductance secondaries (low res freq). The problem is still the low voltage capability of the usual FETs found in stores.
I remember that I found in a book the schema of a phase controlled rectifyer. The current way is jut through the tyristor - load - diode, so I simply had a dream about a posible setup made with a single IGBT / FET and an ultrafast diode chain to make one big "controlled comutable element" with higher reverse voltage capability. Something like that:
So........would it work this approach for a mains fed Mazzilli driver, allowing us to short out the 4 x input voltage rule? With a 500 V FET and a 600 V diode I would have a 1100 V element.
I am not an EE guy, so I have to ask before make some home fire.....
[Edit: Fixed thumbnail]
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