A single-phase 220 V, 1 kW heater is connected a half-wave controlled rectifier and it fed from a 220 v, 50 Hz ac supply. a- Sketch the schematic circuit. b- Determine the power absorbed by the heater when the firing angle is a = 30° and a= 90°. Sketch the vo, io and vr (thyristor voltage) waveforms when a = 30°. c- %3D

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Power half wave rectifier
A single-phase 220 V, 1 kW heater is connected a half-wave controlled rectifier and
it fed from a 220 v, 50 Hz ac supply.
a-
Sketch the schematic circuit.
b-
Determine the power absorbed by the heater when the firing angle is a =
30° and a= 90°.
Sketch the vo ia and vr (thyristor voltage) waveforms when a = 30°.
C-
%3D
Transcribed Image Text:A single-phase 220 V, 1 kW heater is connected a half-wave controlled rectifier and it fed from a 220 v, 50 Hz ac supply. a- Sketch the schematic circuit. b- Determine the power absorbed by the heater when the firing angle is a = 30° and a= 90°. Sketch the vo ia and vr (thyristor voltage) waveforms when a = 30°. C- %3D
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