what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)

2 Answers  

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why in scott connection of transformers, main transformer is tapped at 50% and teaser transformer at 86.6%?

5 Answers   Bhel, Bosch, College School Exams Tests, Wipro,

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Explain RYB?

21 Answers  

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how to measure dc earth leakage current?

0 Answers  

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advantages & disadvantages of Lagging and leading power factor .

0 Answers   KMSC,

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What is the previous name of Cox's Bazar

0 Answers  

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From an electrical motor & electrical generator, which has more efficiency & why?

1 Answers   Sahi,

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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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Starting current of a 10 HP induction Motor is ______ time’s full load current.

0 Answers  

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whatis knee point ?

5 Answers   L&T, Siemens,

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HOW TO CALCULATE CAPACITOR BANK OR HARMONIC FILTER CALCULATION

0 Answers   ECCI, EFS,

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what is the meaning of 1250 KVA Trasformer

2 Answers  

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