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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Three Phase Converter Circuit

Three Phase Converter Circuit: For large sized (rating exceeding 15 kW) motors 3-phase drive is employed. The output voltage of a 3-phase converter has less ripple contents than that of…

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What is a Power Converter?

What is a Power Converter? Solid-state power converter are employed for obtaining the appro¬≠priate form of electrical energy such as direct current or adjustable-frequency alternating current (required to operate most…

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Semiconductor Converter Controlled Drives

Semiconductor Converter Controlled Drives: These are now widely used both in ac and dc tractions involving dc and ac motors, and the conventional drives have all become outdated, and will…

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Three Phase Drives

Three Phase Drives: Single phase drives discussed in the previous section are employed for low and medium powers. When the power of the drive is very large the three-phase converter…

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