 Feedback on induction heater proposal wanted
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Costin Ruja
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Tue Dec 11 2007, 07:53AM
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Registered Member #1166
Joined: Sun Dec 09 2007, 06:47AM
Location: Bucharest
Posts: 1
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I am considering building a current fed parallel resonance LC induction heater :D I already bought some 4 X BUP 313 IGBT's and 4 X DSEI1206 diodes.My question is about the controll circuit.I was thinking using Steve Conner's PLL driver from here 
Can i couple my CT's (measuring the current in the tank circuit) to the antenna input; one wire to the antenna and one wire to ground ? Of course, the CT will have a load on it, so the secondary voltage won't go high sky :D Will it work ?
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uzzors2k
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Registered Member #95
Joined: Thu Feb 09 2006, 04:57PM
Location: Norway
Posts: 1308
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Yes, also add a diode-clamp to square up the signal and protect the 4046 input. I'm not sure whether taking feedback directly from the tank circuit is the right way to go however. There was a thread about this a while ago IIRC correctly, you might want to search for it.
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