Define de-sensitivity?

0 Answers  

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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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is it possible to test of bus bar in high rise building without completed full floor ?

0 Answers  

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PAC and simple Ac different

0 Answers  

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what is -24vDC and how can generate this -24vDC

1 Answers   Blue Star,

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what is the effect of leading power factor

3 Answers   Aurobindo, R L Steels and Energy,

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why are we using multiples of 11 in substation.

2 Answers  

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What is the formula for calculating Transformer Losses & Efficiency. I want to compare the Transformer efficiency at different loading condition.

6 Answers   Rays Power Experts, Techser,

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what is skin effect?

6 Answers   MPSEB,

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what is meant by brushed alternator & its working principle ?

0 Answers  

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why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

0 Answers  

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Define magnetic centre in a motor?

1 Answers  

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