Aeronautical Engineering Interview Question:

How the vfd is working?

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VFD having 3 main section namely Rectifier , DC bus,
Inverter.
by Rectifier input supply AC is converted to DC , In the
section main part is pulse also getting change by no. of
Diodes.

In DC bus section having capacitor , in this capacitor the
power is getting store.

In Inverter section the DC is converted to AC and the supply
Submitted by: Administrator