## Harmonic Reduction

Harmonic Reduction: The output voltage waveform of an inverter is non-sinusoidal. It contains a rich harmonic content. The Harmonic Reduction cause additional losses and torque pulsations if a three phase…

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## Harmonic Analysis in Distributed Winding

Harmonic Analysis in Distributed Winding: The flux density wave of a synchronous machine is never exactly sine wave. Because of odd symmetry of poles (alternately north-south), the space Harmonic Analysis…

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## Converters for Electric Motors Articles

Converters for Electric Motors Articles: Bridge Rectifier Circuit Diagram with freewheeling diode : A 6 pulse Bridge Rectifier Circuit Diagram with freewheeling ... Charging a Capacitor in Inverter : Charging…

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## Electric Drives Articles

Electric Drives Articles: This Electric Drives Articles which includes the following topics: A Simple Electric Motor Characteristics of DC Motor Speed Torque Characteristic of Separately Excited DC Motor Speed Torque…

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## Nature of Electric Supply

Nature of Electric Supply: The nature of electric supply available may be 3-phase ac, single-phase ac or dc. In case three-phase ac supply is available, polyphase induction motor, squirrel cage…

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## Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 11

Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 11: 502. In underground traction, the supply system is (a) 500 V to 1,000 V dc (b) 25 kV, 50…

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## Single Stage Transistor Amplifiers Interview Questions and Answers

Single Stage Transistor Amplifiers Interview Questions and Answers: 1. What is an amplifier? Ans. The device that amplifies the amplitude of the input signal is called the amplifier. An amplifier may…

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## Power Converters Interview Questions and Answers

Power Converters Interview Questions and Answers: 1. What is freewheeling diode? Ans. Freewheeling diode is a bypass or commutating diode. It is connected across motor terminals to allow for dissipation of…

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