In this particular case they are six quality MKP capacitors with a capacity of 1 micro farad each and a voltage of 400V. Also a very important part is the capacitive bank composed of several capacitors connected in parallel. In my case mosfets are SW3205. In electrical terms, this means that the self-inductance of the coil is zero.The device consist Two or four Power mosfet transistors mounted on large heatsinks with Fans for cooling.
It is interesting that the heating coil is not heated after this and we can freely put our hand on it. Let me just mention that the bifirly coil is much harder to make. The working spool is a Bifilarly wound Flat (Pancake) coil.IN FACT, THE PURPOSE OF THIS PROJECT WAS TO COMPARE THE EFFICIENCY OF SUCH A BIFILAR COIL WITH A STANDARD COIL.The end result was that there was no significant difference between the two coils in this type of induction heater.
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