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The output voltage from a single phase full wave bridge inverter varies from
a Explanation: The output from a full wave bridge inverter varies from Vs to –Vs.
a
Explanation: The output from a full wave bridge inverter varies from Vs to –Vs.
See lessIdentify the circuit given below
c Explanation: It is a full wave bridge inverter using 4 diodes and 4 SCRs
c
Explanation: It is a full wave bridge inverter using 4 diodes and 4 SCRs
See lessSingle-phase full bridge inverters requires
b Explanation: Full bridge inverters require 4 SCR and 4 diodes along with a two wire dc source.
b
Explanation: Full bridge inverters require 4 SCR and 4 diodes along with a two wire dc
source.
See lessThe output current wave of a single-phase full bridge inverter on RL load is
c Explanation: On RL load, the SCRs are revised biased due to the voltage drops across the diodes and negative current flows.
c
Explanation: On RL load, the SCRs are revised biased due to the voltage drops across
the diodes and negative current flows.
See lessFind the conduction time of the diodes if the SCRs are fired at 0 and T/2 respectively in a single phase half wave inverter with R load
a Explanation: With R load, the diodes do not come into play
a
Explanation: With R load, the diodes do not come into play
See lessIn the below circuit, if Vs/2 = 50 V. Find, the rms AC voltage that would be ideally obtained.
c Explanation: Peak value would be = 50 V RMS = Peak/√2 = Peak x 0.707 V
c
Explanation: Peak value would be = 50 V
RMS = Peak/√2 = Peak x 0.707 V
See lessIn the below given circuit, T1 is fired at 0,T and so on and T2 at T/2, 3T/2 etc. What is the frequency of the alternating voltage obtained?
c Explanation: T1 conducts from 0 to T/2 and T2 from T/2 to T. Hence, 1 cycle is completed in T time. f = 1/T Hz.
c
See lessExplanation: T1 conducts from 0 to T/2 and T2 from T/2 to T. Hence, 1 cycle is
completed in T time. f = 1/T Hz.
The output of a single-phase half bridge inverter on R load is ideally
b Explanation: Due to rapid switching on and off of the devices, it seems to be a square wave. But practically it is a B-wave.
b
Explanation: Due to rapid switching on and off of the devices, it seems to be a square wave. But practically it is a B-wave.
See lessBelow given is a
b Explanation: It is a half wave inverter with MOSFET switches. The diodes are used to bypass the negative current.
b
Explanation: It is a half wave inverter with MOSFET switches. The diodes are used to
bypass the negative current.
See lessThe 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 less