Answer / kammi

auto trip happens ,first we need to trouble shoot the fault,post rectification , we can close the breaker

Answer / kammireddys

post rectification of the fault ,we can close the breaker

how i sync. the different size of generator.

4 Answers   ISB,

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What is the voltage violating limit to be considered for load flow study? What is acceptable deviation limit according to relevant standards?

1 Answers  

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Explain principle of Soft-starter & how its working???

12 Answers   MAHINDRA,

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when the PFR (POWER FACTOR REGULATOR)change a step to zero,one of the RCCB will triped off,is it the changing step of this PFR effect the RCCB?

2 Answers  

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Why in a three pin plug the earth pin is thicker and longer than the other pins?

18 Answers   LG, NTPC,

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I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?

0 Answers   Siemens,

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how we can measure the dc current instead of clamp meter ?

1 Answers  

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What happen if we give resistance to the armatuure of a dc motor?a

1 Answers  

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why we need of power factor correction? give advantages

3 Answers  

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What are the criteria shall be considers for sizing Fuse and MCB? If the rated current is 10Amps what should be the fuse size / MCB Size?

0 Answers  

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Can any one tell me the current VAT, Sales Tax, Octroi and Excise duty for the financial year 2009 -2010. Say control panels are manufactured in maharashtra, then what will be the taxes for within Maharashtra and outside Maharashtra?

1 Answers  

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How to calculate the rating of ELCB OR RCCB for an equipment?

2 Answers  

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