Question

A single phase half wave controlled rectifier circuit has a free wheeling diode. The load is a combination of R and L. The firing angle is α. The period of conduction of SCR and free wheeling diode respectively are

a.

α < ωt < π and π < ωt < (2π + α)

b.

α < ωt < π and π < ωt < 2π

c.

α < ωt < (π + α) and (π + α) < ωt < 2π

d.

α < ωt < π and π < ωt < (2π - α)

Answer: (a).α < ωt < π and π < ωt < (2π + α)

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Q. A single phase half wave controlled rectifier circuit has a free wheeling diode. The load is a combination of R and L. The firing angle is α. The period of conduction of SCR and...

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