Question 2: A 1-phase ac regulator is operated from a 240 V 60 Hz ac supply with RL load, and has an rms voltage of 120 V when operated with a firing angle of 120 ° Determine: (a) the load power factor angle ø1, thyristor conduction angle 0c, current extinction angle ß, maximum firing at which the regulator delivers 240 V to the load. (b) If the load inductance is 50 mH, determinate the load resistance and the maximum power that can be delivered to the load by the ac regulator.

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Question 2: A 1-phase ac regulator is operated from a 240 V 60 Hz ac supply with RL load, and has an rms
voltage of 120 V when operated with a firing angle of 120 °. Determine:
(a) the load power factor angle ø1, thyristor conduction angle 0e, current extinction angle ß, maximum firing
at which the regulator delivers 240 V to the load.
(b) If the load inductance is 50 mH, determinate the load resistance and the maximum power that can be
delivered to the load by the ac regulator.
Transcribed Image Text:Question 2: A 1-phase ac regulator is operated from a 240 V 60 Hz ac supply with RL load, and has an rms voltage of 120 V when operated with a firing angle of 120 °. Determine: (a) the load power factor angle ø1, thyristor conduction angle 0e, current extinction angle ß, maximum firing at which the regulator delivers 240 V to the load. (b) If the load inductance is 50 mH, determinate the load resistance and the maximum power that can be delivered to the load by the ac regulator.
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