engineering recuitment UPCL AE (E&M) 2021 Mock Test Power Electronics and Drives Phase Controlled Rectifiers
A particular power electronic controller develops a symmetrical output voltage from π/6 rad to π rad., 7π/6 to 2π rad across a resistive load over a cycle. The circuit contains.
1
a diode
2
two diodes connected in anti-parallel
3
a TRIAC
4
a SCR