engineering recuitment GATE EE 2023-24 Test Series Power Electronics and Drives Phase Controlled Rectifiers Three Phase Thyristor Converter Circuits
A 6-pulse thyristor bridge is connected to a balanced 50 Hz , 3 - ϕ ac source. Assuming the dc o/p current of the rectifier is constant, the lowest frequency harmonic component of the source line current is
1
100 Hz
2
150 Hz
3
250 Hz
4
300 Hz