Power Electronics A to Z Blog

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Power BJT Safe Operating Area [SOA]

BJT Safe Operating Area - SOA What is Safe Operating Area? The safe operating area is defined as the maximum voltage and current limits within which the power semiconductor device can be operated without...

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Power Electronics Viva Questions with Answers

Power Electronics Viva Questions and Answers [1] What are the advantages and disadvantages of Flyback converter? Advantages: (1) No inductor is required at the output which is compulsory is the other converters topology. (2)...

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Four Quadrant Operation of Motors

Four Quadrant Operation of Motors: We know that, (1) All types of DC-DC converters are capable of operating the motor operation in the first quadrant. (2) Some converters are capable of operating in two...

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DC - DC Chopper: Principle of Operation

DC to DC Chopper Circuit- Operating Principle: A chopper is a high speed ON/OFF semiconductor switch. It connects source to load and disconnects the load from source at a fast speed. By doing this, a...

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How Class D Chopper Works?

Class-D Chopper Operation In our previous post, we have discussed about the basics of chopper and chopper classification. It is highly recommended to refresh about chopper basics, chopper types. Click here to read about...