Current chopping mainly occurs in-

This question was previously asked in
BDL MT Electrical 17 April 2022 Official Paper
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  1. SF6 circuit breakers
  2. Oil-circuit breakers
  3. Air-blast circuit breakers
  4. Both SF6 and oil-circuit breakers

Answer (Detailed Solution Below)

Option 3 : Air-blast circuit breakers
Free
ST 1: BDL MT Thermodynamics
20 Qs. 20 Marks 16 Mins

Detailed Solution

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Concept:

Current chopping in circuit breaker is defined as a phenomenon in which current is forcibly interrupted before the natural current zero.

the voltage across the capacitor during current chopping

Current Chopping is mainly observed in the air blast circuit breaker. There is no such phenomenon in oil circuit breaker.

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