Circuit and Phasor Diagram of an AC Electrical Machine
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Question
An AC electrical machine is connected to 400 volt RMS, 50 Hz supply. The supplied current is 42.5 amps, RMS, with a lagging power factor, PF = 0.7.
- Draw the circuit diagram.
- Draw the phasor diagram.
- Compute the capacitance required to bring the power factor to unity.
- Compute the new current supplied to the machine.
- Why is unity power factor desirable?
Summary
This question belongs to electrostatics in physics and discusses about an AC electrical machine which has RMS voltage. Computes the capacitance required to bring the power factor to unity and new current supplied to the machine.
Answer is in JPEG format
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