Answer Posted / saleha

kva

what is electrical machines

3645

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how to enter inverter parameter? without manaual?

2012

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what is the defination of Cable database? What are the points are considered while preparing cable database? Is there any sample available for cable database?

1881

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defination of lines

1979

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what is the difference between earthing and unearth

3050

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How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

5377

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Battery is a voltage source? give one example of current source and why?

1566

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A 7 storey building has a floor area of 35,000sq.ft on each storey. On the ground floor 11KV electrical sub-station is to be erected. A load of 3kw for every 400sq.ft (p.f is 0.8) is proposed for each floor. fire pump 7.5hp, water pump 5hp, lift 2 nos, each 10hp and 20shop load of each shop is 5kw. calculate a. load each floor b. total load of building c. L.T feeders for aech floor and from transformer to main. d. distribution diagram e. capacity of sub-station/capacitor bank f. line diagram

2799

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TRANSFORMERS WITH DC SUPPLY

2064

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What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

2162

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

2279

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What is transformation ratio what it describes?

1686

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what is the affect of earth's magnetic field on the frequency used in aircraft???

1987

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what is acceptable leakage current for 33kv cable while doing high voltage test for cable? how to calaulate the leakage current for 33kv or any rated cable?

4021

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HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1928

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