ECE :: Power Electronics
-
If the frequency is less than the damped frequency in a series- inverter
-
The output frequency of a cycloconverter can be changed by changing the firing angle.
-
Mc Murray full bridge inverter uses
-
Assertion (A): A DIAC has four layers but only two terminals.
Reason (R): A DIAC can conduct in both directions.
-
In a 3 phase full converter, the instantaneous output voltage can have negative part if
-
In a single phase full wave ac regulator using two thyristors only, the gate circuits of the two thyristors
-
The circuit in figure is for
-
A fully controlled bridge converter is feeding an RLE load. For some circuit conditions firing angle is 47°. If connections of battery are reversed, the firing angle is likely to be
-
In a single phase half wave converter feeding resistive load and full wave converter (M - 2 connection) feeding a resistive load the circuit conditions are similar. The firing angle is a. Then the waveshapes of voltages across thyristors
-
In a 3 phase full converter feeding a highly inductive load, the average load current is 150 A. The peak current through thyristor is