railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Power Electronics and Drives Choppers
If D is the duty ratio, the input and output relation of a buck converter and boost converter are:
1
Vout = D Vin and Vout = \(\frac{1}{{1 - {\rm{D}}}}\) Vin
2
Vout = D Vin and Vout = \(\frac{1}{{1 + {\rm{D}}}}\) Vin
3
Vout = D Vin and Vout = \(\frac{D}{{1 - {\rm{D}}}}\) Vin
4
Vout = \(\frac{D}{{1 + {\rm{D}}}}\) Vin and Vout = \(\frac{1}{{1 - {\rm{D}}}}\) Vin