engineering recuitment GATE EE 2023-24 Test Series Power Electronics and Drives Electric Drives Three Phase DC Drives
A 600V, 1500V rpm, 80A, separately-excited dc motor is fed through a three phase half wave converter from 3-ϕ 400V supply. Motor armature resistance is 2Ω. Armature current assumed constant. For firing angle 30° compute input power Factor.
1
0.59 lead
2
0.74 lead
3
0.74 lag
4
0.59 lag