Answer / upender

An isolator is an offload and a double pole switch which is used before and after the circuit breaker providing visible contacts to disconnect from the fault line when circuit breaker opens its contact

Answer / jitendra kuril

Isolator usred in switch gurd to isolate bus bar before or after vcb for maintance purpose

Answer / arshit rajapara

isolator is one type of switch which is isolate system at a faulty condition as well as maintenance purpose and it placed before and after cb.

Answer / soundararajan

electrical and electronics equipments production from overloads

what is interference

1 Answers   L&T,

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How the value of KVAR of capacitor bank used in switchgears calculated??

2 Answers  

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What is the maximum current carrying capacity for both copper and aluminium cables for 1sqmm?

2 Answers  

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Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

0 Answers   DT Technologies,

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what happens if power factor is maintained at 0.9?give me the answer in technicall way rather than telling the penality n all

5 Answers   NCC,

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why ct is testing using dc.. y cant we use AC insted of dc on POLARITY TEST.

6 Answers  

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how we can calculate cable size for any load & any type of cable material ?

1 Answers  

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When neutral is grounded in electrical circuit?

9 Answers   Balco,

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How can calculate thermal overload in relay?

1 Answers   ABB,

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What are the test involved in DG auto synchronizing panel before in manufacturing place before dispatch.

2 Answers   L&T, TCS,

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why field winding is placed on rotor winding not on stator winding in case of synchronous machine?

13 Answers   HAL, TATA,

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What is servo motor? what is its purpose?

0 Answers  

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