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Original question:

TIDM-1000: Enable Non-Linear PI Loop for Voltage Controller

TIDM-1000: Problem When Sudden change in Load in Vienna Rectifier

Annu Sheoran
Prodigy 120 points

Part Number: TIDM-1000

HI

I am using the pfcf28379d code for vienna rectifier, we have designed our custom board . In this board by using the pfcf28379d we are able to complete all the test cases .

Our Requirements:

Input Voltage : 115Vrms, 400Hz

Output : 380 Volt DC

We have tested the the our board for no load to minimum load 25 watt to 1000watt, we have increase the load slowly form 25 watt to 1000 watt it is regulating the output voltage to 380 Volt

 we are stuck at one test case when we are suddenly  increasing the load from no load to 1000 watt . it is not regulating the voltage to 380 it is coming around 340 Volt.

Could you please suggest where we are going wrong?

Thanks

Annu