Resistance Switching Circuit Breaker

Resistance Switching Circuit Breaker: We already know that current chopping, capacitive current breaking etc. give rise to severe voltage oscillations. These excessive voltage surges during circuit interruption can be prevented…

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HVDC Circuit Breakers

HVDC Circuit Breakers - Construction and Working Principle: Light duty dc circuit breakers have been in use since long. However, there is lack of suitable circuit breakers for HVDC systems.…

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Conventional Circuit Breaker Articles

Conventional Circuit Breaker Articles: Air Blast Circuit Breaker : Air Blast Circuit Breaker – It is not possible to produce a low resistance arc without a considerable gas pressure so…

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DC Circuit Breaker

DC Circuit Breaker: Light duty DC Circuit Breaker have been in use since long. However, with the latest developments in HVDC transmission there would naturally be the necessity of the…

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SF6 Circuit Breaker

SF6 circuit breaker: One of the recent developments in the field of high voltage switchgear is the SF6 circuit breaker. In this a gas called sulphur hexafluoride is used as…

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Vacuum Circuit Breaker

Vacuum Circuit Breaker: Although the advantages of interrupting the arc in a vacuum were recognized as early as the nineteenth century, this did not find wide application till a few…

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