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In extra voltage lines which of the following circuit breakers are most suitable?
- a)SF6 circuit breakers
- b)Air circuit breakers
- c)Oil circuit breakers
- d)Vacuum circuit breakers
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
In extra voltage lines which of the following circuit breakers are mos...
- Pure Sulphur hexafluoride gas is inert and thermally stable
- SF6 has 100 times high dielectric strength than air and oil as interrupting medium
- It possesses very god arc quenching as well as insulating properties which makes it ideally suitable for use in a circuit breaker
- It is used for extra high voltage fault tripping
Most Upvoted Answer
In extra voltage lines which of the following circuit breakers are mos...
Suitability of SF6 Circuit Breakers in Extra Voltage Lines
SF6 circuit breakers are most suitable for extra voltage lines due to the following reasons:
1. High Dielectric Strength: SF6 gas has a high dielectric strength, which means it can withstand high voltage without breaking down. This property makes SF6 circuit breakers suitable for use in extra voltage lines, where the voltage levels are high.
2. Quenching Properties: SF6 gas has excellent quenching properties, which means it can quickly extinguish the arc that occurs during the breaking of the circuit. This property makes SF6 circuit breakers highly efficient in breaking the circuit and protecting the system from damage.
3. Low Maintenance: SF6 circuit breakers require low maintenance compared to other types of circuit breakers, such as oil circuit breakers. This property makes them cost-effective and easy to maintain.
4. Compact Design: SF6 circuit breakers are designed to be compact and lightweight, which means they require less space and can be easily installed in areas where space is limited.
Conclusion
SF6 circuit breakers are the most suitable type of circuit breakers for use in extra voltage lines due to their high dielectric strength, excellent quenching properties, low maintenance, and compact design. They are efficient, cost-effective, and reliable, making them an ideal choice for protecting electrical systems from damage.
SF6 circuit breakers are most suitable for extra voltage lines due to the following reasons:
1. High Dielectric Strength: SF6 gas has a high dielectric strength, which means it can withstand high voltage without breaking down. This property makes SF6 circuit breakers suitable for use in extra voltage lines, where the voltage levels are high.
2. Quenching Properties: SF6 gas has excellent quenching properties, which means it can quickly extinguish the arc that occurs during the breaking of the circuit. This property makes SF6 circuit breakers highly efficient in breaking the circuit and protecting the system from damage.
3. Low Maintenance: SF6 circuit breakers require low maintenance compared to other types of circuit breakers, such as oil circuit breakers. This property makes them cost-effective and easy to maintain.
4. Compact Design: SF6 circuit breakers are designed to be compact and lightweight, which means they require less space and can be easily installed in areas where space is limited.
Conclusion
SF6 circuit breakers are the most suitable type of circuit breakers for use in extra voltage lines due to their high dielectric strength, excellent quenching properties, low maintenance, and compact design. They are efficient, cost-effective, and reliable, making them an ideal choice for protecting electrical systems from damage.
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In extra voltage lines which of the following circuit breakers are most suitable?a)SF6circuit breakersb)Air circuit breakersc)Oil circuit breakersd)Vacuum circuit breakersCorrect answer is option 'A'. Can you explain this answer?
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