Hi,
Well I was alter matching network, and on resonance I can get big currents on low voltage, but on scope I see (parasit osc.) that inverter is close to explode...
Inverter voltage and sine shape (on scope) is same with or without aluminium insde of coil on 200 kHz, and inverter likes to go in oscilations which on the end kill mosfet's.
I will try with low frequency about 5-20 kHz. On this frequencys I can easilyer control mosfet's and osciltions, or even use igbt's.
Regards,