For obtaining the output voltage control from V to 2V, the firing ang – McqOptions

MCQOPTIONS

1.	For obtaining the output voltage control from V to 2V, the firing angle must be
A.	always 0 for T3, T4
B.	always 180 for T3, T4
C.	0 to 180 from T3, T4
D.	none of the mentioned
Answer» B. always 180 for T3, T4

Discussion

No Comment Found

Related MCQs

A single-phase sinusoidal voltage controller has
In a N-stage sequence controller, each secondary is rated for __________
A single-phase two stage sequence controller is designed to work on 230 V supply, and upper and lower current ratings must be 20 A and 21 A respectively. Find the transformer rating.
For obtaining the output voltage control from V to 2V, the firing angle must be
If T1, T2 are kept off and T3, T4 are having a firing angle of 180° each, then the output voltage is ____ if the turns ratio is 1:1
The below given circuit is that of a
From the below given statements regarding sequence control of ac voltage, which of them are true?i) It improves system power factorii) It reduces the harmonic content at the outputiii) Wider control of output voltage is possible
A_SINGLE-PHASE_SINUSOIDAL_VOLTAGE_CONTROLLER_HAS?$
In a N-stage sequence controller, each secondary is rated for _________?
A single-phase two stage sequence controller is designed to work on 230 V supply, and upper and lower current ratings must be 20 A and 21 A respectively. Find the transformer rating?