Question
Download Solution PDFFor which of the following application, the vacuum interrupters rated 1.2/3.6/7.2 kV?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFVacuum Circuit Breaker:
- A vacuum circuit breaker is a kind of circuit breaker where the arc quenching takes place in a vacuum medium.
- The operation of opening and closing of current carrying contacts and associated arc interruption take place in a vacuum chamber in the breaker which is called a vacuum interrupter.
- Vacuum circuit breakers are more commonly used at system voltage levels up to 72 kV.
- The vacuum contactor’s rated 1.2/3.6/7.2 kV is used for indoor metal enclosed control gear.
- The vacuum interrupters rated 3.6/7.2/12/36 kV is used for indoor metal clad switch gear.
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