3-Phase Bridge Inverters Objective Questions – 1

A three-phase bridge inverter requires minimum of _____________ switching devices.

The diodes D4 and D1 will conduct from

In the figure given below, for 180° mode of operation if T1 is fired at 0°. Then SCRs T3 and T5 should be fired at _________ and _________ respectively.

In inverters, to make the supply voltage constant

Identify the below given circuit.

In the three-phase bridge inverter, each step consists of

_________ SCRs conduct from 300° to 360°.

In the 180° mode VSI, ___________ devices conduct at a time.

The below given inverter circuit is a __ step inverter.

For a three phase bridge inverter in the 180° mode, ___________ devices are conducting from 120° to 180°.