engineering recuitment MP Vyapam Sub Engineer Mock Test 2024 Power Electronics and Drives Choppers Step Down Choppers
A step-down chopper has Vs as a source voltage, α is the duty ratio and R is the load resistance. The r.m.s. value of output voltage is
1
\(\frac{V_{s}}{\sqrt{\alpha}}\)
2
\(\sqrt{1-\alpha}\) . Vs
3
\(\sqrt{\alpha}\) Vs
4
αVs