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Resistance switching is commonly employed in-
- a)bulk oil breakers
- b)minimum oil breakers
- c)air blast circuit breakers
- d)all of (A), (B), and (C)
Correct answer is option 'C'. Can you explain this answer?
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Resistance switching is commonly employed in-a)bulk oil breakersb)min...
Resistance switching is usually employed in air blast circuit breakers.
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Resistance switching is commonly employed in-a)bulk oil breakersb)min...
Resistance Switching in Air Blast Circuit Breakers:
Air blast circuit breakers use resistance switching as a means of interrupting the current flow during a fault or overload condition. This method involves creating a high-resistance path in the circuit to quickly stop the flow of current.
Benefits of Resistance Switching:
- Improved arc extinction: By introducing a high-resistance path, the circuit breaker can effectively extinguish the arc that forms during current interruption.
- Faster operation: Resistance switching allows for quicker interruption of current compared to other methods, reducing the time it takes to isolate the fault.
- Enhanced reliability: The use of resistance switching helps improve the overall reliability and performance of the circuit breaker, ensuring proper operation during fault conditions.
Applications of Resistance Switching:
- Air blast circuit breakers: Resistance switching is commonly employed in air blast circuit breakers due to its effectiveness in interrupting current flow.
- Bulk oil breakers: Some bulk oil circuit breakers also utilize resistance switching to improve arc extinction and overall performance.
- Minimum oil breakers: Similarly, minimum oil circuit breakers may incorporate resistance switching for enhanced fault interruption capabilities.
In conclusion, resistance switching plays a crucial role in the operation of air blast circuit breakers, as well as other types of circuit breakers such as bulk oil and minimum oil breakers. It offers benefits such as improved arc extinction, faster operation, and enhanced reliability, making it a widely used technique in the field of electrical protection.
Air blast circuit breakers use resistance switching as a means of interrupting the current flow during a fault or overload condition. This method involves creating a high-resistance path in the circuit to quickly stop the flow of current.
Benefits of Resistance Switching:
- Improved arc extinction: By introducing a high-resistance path, the circuit breaker can effectively extinguish the arc that forms during current interruption.
- Faster operation: Resistance switching allows for quicker interruption of current compared to other methods, reducing the time it takes to isolate the fault.
- Enhanced reliability: The use of resistance switching helps improve the overall reliability and performance of the circuit breaker, ensuring proper operation during fault conditions.
Applications of Resistance Switching:
- Air blast circuit breakers: Resistance switching is commonly employed in air blast circuit breakers due to its effectiveness in interrupting current flow.
- Bulk oil breakers: Some bulk oil circuit breakers also utilize resistance switching to improve arc extinction and overall performance.
- Minimum oil breakers: Similarly, minimum oil circuit breakers may incorporate resistance switching for enhanced fault interruption capabilities.
In conclusion, resistance switching plays a crucial role in the operation of air blast circuit breakers, as well as other types of circuit breakers such as bulk oil and minimum oil breakers. It offers benefits such as improved arc extinction, faster operation, and enhanced reliability, making it a widely used technique in the field of electrical protection.
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Resistance switching is commonly employed in-a)bulk oil breakersb)minimum oil breakersc)air blast circuit breakersd)all of (A), (B), and (C)Correct answer is option 'C'. Can you explain this answer?
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