The single phase bridge half controlled rectifier with RL load & a freewheeling diode when firing angle is (90°). Draw the waveforms of (Vs, Ig, Vo, Is, IFD ) when the rectifier feeding heavily inductive load & the circuit. Determine the rms value of freewheeling diode current when load current is level at (30A).

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l Asiacell
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Q1
The single phase bridge half controlled rectifier with RL load &
a freewheeling diode when firing angle is (90°).
Draw the waveforms of (Vs, Ig, Vo, Is, IFD ) when the rectifier
feeding heavily inductive load & the circuit.
Determine the rms value of freewheeling diode current when load
current is level at (30A).
Q2
The single phase bridge inverter supplies from dc source a load of
resistance with inductance. The load voltage is
square wave.
Determine the value of minimum & maximum load currents. The
source voltage is (200V) & output frequency is (50HZ) .The
inductive load with (8 Q, 20 mH). Draw the waveforms of (V., I.)
& the circuit.
Q3
The step-up chopper has input voltage of (400V) & output voltage
of (800V). Determine the duty cycle of chopper .Draw the circuit
of class E chopper.
Transcribed Image Text:l Asiacell 12:19 AM © 56% O واجب بعد التغی یر.pdf Q1 The single phase bridge half controlled rectifier with RL load & a freewheeling diode when firing angle is (90°). Draw the waveforms of (Vs, Ig, Vo, Is, IFD ) when the rectifier feeding heavily inductive load & the circuit. Determine the rms value of freewheeling diode current when load current is level at (30A). Q2 The single phase bridge inverter supplies from dc source a load of resistance with inductance. The load voltage is square wave. Determine the value of minimum & maximum load currents. The source voltage is (200V) & output frequency is (50HZ) .The inductive load with (8 Q, 20 mH). Draw the waveforms of (V., I.) & the circuit. Q3 The step-up chopper has input voltage of (400V) & output voltage of (800V). Determine the duty cycle of chopper .Draw the circuit of class E chopper.
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