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The voltage in a single phase half wave inverter varies between
c Explanation: It varies between –Vs/2 and Vs/2 as the upper and lower thyristors/IGBTs are fired in sequence.
c
Explanation: It varies between –Vs/2 and Vs/2 as the upper and lower thyristors/IGBTs
are fired in sequence.
See lessWhat is the voltage across the R load when only T2 is conducting?
b Explanation: Considering T2 as an ideal switch, the load is directly connected to the lower voltage source when T2 is on.
b
Explanation: Considering T2 as an ideal switch, the load is directly connected to the
lower voltage source when T2 is on.
See lessIn a single-phase half wave inverter ________ SCR(s) are/is gated at a time
a Explanation: Only one SCR is gated at a time, gating the both of them will short the supply
a
Explanation: Only one SCR is gated at a time, gating the both of them will short the supply
See lessWhat is the voltage across the R load when only T1 is conducting?
b Explanation: Considering T1 as an ideal switch, the load is directly connected to the upper voltage source when T1 is on.
b
Explanation: Considering T1 as an ideal switch, the load is directly connected to the
upper voltage source when T1 is on.
See lessSingle phase half bridge inverters requires
d Explanation: They require two voltage sources Vs/2 and Vs/2
d
Explanation: They require two voltage sources Vs/2 and Vs/2
See less________ based inverters do not require self-commutation.
d Explanation: All the devices can be turned off by their gate/base singles expect SCR. SCRs require external commutation circuits.
d
Explanation: All the devices can be turned off by their gate/base singles expect SCR.
SCRs require external commutation circuits.
See lessWhich of the following produces the best quality graphics reproduction?
Plotter
Plotter
See lessIdentify the circuit given below
c Explanation: It is a half-wave circuit as it has only 2 SCRs are connected. It is a half wave bridge type thyristorised inverter.
c
Explanation: It is a half-wave circuit as it has only 2 SCRs are connected. It is a half
wave bridge type thyristorised inverter.
See less