What Is Air Circuit Breaker In Hindi

What is an Air Circuit Breaker?

An air circuit breaker is a type of electrical switch that is used to protect electrical circuits from overloads and short circuits. It is a mechanical device that uses the force of air to break the circuit. Air circuit breakers are typically used in high-voltage applications, such as in power distribution systems. They are also used in industrial applications, such as in motor control circuits.

How does an air circuit breaker work?

An air circuit breaker consists of two main parts: a contact assembly and a spring-loaded mechanism. The contact assembly is made up of two metal contacts that are separated by a small gap. The spring-loaded mechanism is used to close the contacts and to open them in the event of an overload or short circuit. When the contacts are closed, they complete the circuit. When the contacts are open, they break the circuit. The spring-loaded mechanism is designed to open the contacts when the current flowing through the circuit exceeds a certain threshold. This threshold is called the

trip point

. When the current exceeds the trip point, the spring-loaded mechanism is activated and the contacts are opened. This breaks the circuit and prevents damage to the electrical system.

Types of air circuit breakers

There are two main types of air circuit breakers: *

Oil-filled air circuit breakers

. These breakers use oil to insulate the contacts and to extinguish the arc that is created when the contacts are opened. *

Vacuum-interrupter air circuit breakers

. These breakers use a vacuum to extinguish the arc that is created when the contacts are opened. Oil-filled air circuit breakers are more common than vacuum-interrupter air circuit breakers. They are also more expensive.

Advantages of air circuit breakers

Air circuit breakers have a number of advantages over other types of circuit breakers, including: *

High interrupting capacity

. Air circuit breakers can interrupt currents of up to 100,000 amps. *

Long life

. Air circuit breakers can last for many years without requiring maintenance. *

Reliable operation

. Air circuit breakers are reliable and have a low failure rate.

Disadvantages of air circuit breakers

Air circuit breakers also have a number of disadvantages, including: *

Size

. Air circuit breakers are large and bulky. *

Weight

. Air circuit breakers are heavy. *

Cost

. Air circuit breakers are expensive.

Applications of air circuit breakers

Air circuit breakers are used in a wide variety of applications, including: *

Power distribution systems

. Air circuit breakers are used to protect power distribution systems from overloads and short circuits. *

Industrial applications

. Air circuit breakers are used in industrial applications, such as in motor control circuits. *

Commercial applications

. Air circuit breakers are used in commercial applications, such as in lighting circuits.

Conclusion

Air circuit breakers are a type of electrical switch that is used to protect electrical circuits from overloads and short circuits. They are a reliable and efficient way to protect electrical systems.


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