Answer / badhehm

01)Over-current protection
02)Short Circuit Protection
03)Ground fault protection

why always out of the 3 phase(RYB) of supply, in Y phase w.r.t the voltage is higher? on R & B phase the voltage will be lower as compared to Y phase?

1 Answers  

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how fan speed decrease or increase by using regulator? thank you

3 Answers  

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What is P.F? Formula for calculating PF in HT side?

1 Answers  

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why leading pf indicates a negative sign???

1 Answers  

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What is Goerges phenomina to start SYCHNOUSMOTOR?

1 Answers  

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Safety devices in SF6 Circuit Breaker?

1 Answers   DELL,

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WHAT IS THE FULL FORM OF ONAN ( TYPE OF COLLING IN TRANSFORMER)

7 Answers  

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where we use the SFU & FSU?

0 Answers   L&T,

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what principle the cabel TV channels are transmitted? will you be able to check the power at the connector behind your TV with a tester?If yes what is the supply level?

1 Answers  

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what are the advantage and dis-advantage of 3 phase 4 wire energy meter?

0 Answers  

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what is the use of CurrentTransformer in AVR ?

2 Answers  

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why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

0 Answers   Lavasa,

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