DC Chopper

EE 701 · Chapter 4

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Chapters
7
Questions
22

Past questions by syllabus

4.

DC Chopper

4.2

Step Down Chopper

9 questions
  1. 2076 ChaitraChapter 4: DC Chopper4.2 Step Down Chopper

    A step down DC chopper has a 20Ω resistor load and input voltage 220V. When the converter switch is ON, its voltage drop in chopper switch is 1V and the chopper frequency is 2KHz. If the duty cycle is 0.8, calculate: (i) Average value of the output voltage, (ii) Efficiency of chopper circuit.

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  2. 2073 ChaitraChapter 4: DC Chopper4.2 Step Down Chopper

    A step down DC chopper (Vdc = 200V) is operated in variable frequency mode with ON time constant at 3msec. Calculate the OFF time for a duty cycle at 30% and average value of output voltage.

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    ASK ON:ChatGPTClaudeAnswers8 marks Asked 1×
  3. 2079 BaishakhChapter 4: DC Chopper4.2 Step Down Chopper

    A step down chopper has an input of 200V, it is feeding on RLE load having R=2Ω, L=10mH, E=20V, the chopping cycle has a time period of 1000µs and transistor is on for 300µs in each cycle. (i) Find whether the load current is continuous or not. (ii) Find the average load current.

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4.3

Chopper with dc Motor as Load

3 questions
4.4

Step Up Chopper

7 questions
4.5

Chopper Classification

3 questions
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