Exercise: Power Electronics

Questions for: Power Electronics

Which of these commutation methods uses an external pulse for commutation?
A:
Class A
B:
Class C
C:
Class E
D:
Class F
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
A 3 phase fully controlled bridge converter is fed by a 3 phase system having phase voltage v = Vm sin ωt. The firing angle is a. The dc output voltage is
A:
B:
C:
D:
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
A single phase cycloconverter feeds a resistance heating load. The heating power is provided by
A:
only the fundamental component of output wave
B:
only higher harmonics in the output wave
C:
both fundamental and higher harmonics in the output wave
D:
either (a) or (b)
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Which chopper circuit operates in all the 4 quadrants?
A:
A
B:
C
C:
D
D:
E
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
An n pulse rectifier is fed by a source having an inductance L. If load current is I0, the voltage drop due to overlap is
A:
B:
C:
D:
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz