Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
Electronics and Communication Engineering
»
Power Electronics
A single phase semiconverter is supplying RLE load and has a freewheeling diode across the load. The firing angle is a. The freewheeling diode conducts for
a° in each half cycle
(p - a)° in each cycle
a° in one full cycle
(p + a)° in each half cycle
Correct Answer:
a° in each half cycle
← Previous Question
Next Question→
More Questions from
Power Electronics
Which chopper circuit uses saturable reactor?
For an illumination control circuit it is advisable to use a matched TRIAC-DIAC pair.
In a series inverter
When a UJT is used as a relaxation oscillator the current should be
Two single phase semi-converters are connected in series to form a series converter. The input is v = Vm sin ωt and a1, a2 are the firing angles. If a1 = 0, the dc output voltage is
If we connect two silicon unilateral switches in anti- parallel we get
When UJT is used for thyristor gate signal, the output of UJT is
In a single phase full wave regulator feeding a resistive load, the average current over one full cycle
A UJT exhibits negative resistance characteristics when
A 3 phase induction motor is controlled by voltage and frequency control such that the ratio V/f is constant. At 50 Hz, the starting torque is 100 N-m. At 25 Hz, the starting torque
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments