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Un-Answered Questions { Electrical Engineering }

what is saturation kit?which use above 15 kw motors panel side.

3288

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?

1428

what is the use of piston rings in the engine used for a generator...........

1448

what happen if drive input fail momentry at 48.5 HZ frequency?

1268

HOW TO CALCULATE AMPs OF CURRENT TRANSFORMER IN HT Panel

1541

What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

1324

plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

1574

how to calculate the settings for shaft ct protn in hydro generators

1252

what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

1511

What is I to C?

1379

What are test values for an 63 KVA and 100 Kva Distribution Transformers for the following typical tests 1)Magnetic balance 2)Short circuit test 3)Open Circuit test 4)Vector group confirmation test .please give me the standard values for all the above tests.

2029

Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

1424

what is physical distance of isolator to VCB in 33/11kv sub stations

1410

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

2597

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

1444