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loss in core material
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in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.
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?
Dear sir, By which formula u can calculate for a particular kv line there is a range of mw.
What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV
what are factors comes under relay setting (distance relay 7sa52) under OPEN DELTA VTs connection??
why burdens of VTs is more than CTs?
details of oil cell size of Breakdown voltage test of tranformer oil details as per Standardswith mushroom electrodes?
what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?
Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks
Explain how to determine capacitor tolerance codes?
state types of reflectors in illumination engg. ???????
how to find out 3 phase complex power in per unit in unbalanced system?
Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.
What are electric motors?
Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.
