railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Power Electronics and Drives Phase Controlled Rectifiers
Match List-I (1-ϕ Rectifier topology-feeding resistive load) with List-II (Average output voltage) and select the correct answer (α is firing angle)
List-I
A. Uncontrolled half wave
B. Controlled half wave
C. Controlled full wave
D. Semi controlled
List-II
1. \(\frac{{{V_{peak}}}}{\pi }\left( {1 + \cos \alpha } \right)\)
2. \(\frac{{2{V_{peak}}}}{\pi }\cos \alpha \)
3. \(\frac{{{V_{peak}}}}{\pi }\)
4. \(\frac{{{V_{peak}}}}{{2\pi }}\left( {1 + \cos \alpha } \right)\)
1
A – 3, B – 2, C – 4, D – 1
2
A – 1, B – 4, C – 2, D – 3
3
A – 3, B – 4, C – 2, D – 1
4
A – 1, B – 2, C – 4, D – 3