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I found my problem.
This Voltage Loss was due to current ripple in my output.
The current ripple caused a voltage drop on the inductor (L.di/dt).
I used a bigger inductor in my output filter and my waveforms got much better.
Hello.
I simulated a zvs full bridge in psim with below specs
Vin: 280 VDC (6 pulse rectifier).
Vout: 270 VDC
Iout:5 A
Switching Transformer: 4:6 ratio.
Inductor for ZVS: 18.6 uH.
My problem is that I have a very large voltage drop after the ZVS inductor and my square wave shape changes after...
Thanks for your reply.
I don't expect zero current.
But at no load test, primary current of the transformer is equal to it's magnetizing current.
As we know, Xm value of transformers are very big, so the magnetizing current should not be a big value.
But in this circuit the no load current is...
Thanks for the reply.
I think this formula is correct when the secondary is short circuit.
But there is a 1K resistor in the output.
And when I measure the secondary current it is 100mA (100v/1k) which is correct, but the primary is around 50KA.
How is it possible?
Hello guys.
I have a very strange problem in PSpice.
I was going to use a transformer in PSpice, and I created a simple circuit to test the transformer.
Output voltage of the transformer was correct but when I measured current of the source, it was about 50 KA peak to peak!!
The circuit is so...
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