why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

0 Answers  

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what are the functions & ratings of panels mentioned below: 1. Main LT Panel(MLTP) 2. Motor Control Centre(MCC) 3.Feeder pillars 4.Busducts

1 Answers   Aurobindo,

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Going in for a three phase motor or a single phase motor, what factor should be considered for this? For eg., to pump water to certain height and such domestic applications, which motor is suitable?

1 Answers  

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why transformers rating are in KVA

5 Answers  

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why the Different manufacture's rating of Gas genset are different? i.e : cummins genset rating is in KVA .( 625kv). While GE- Jenbacher make genset have rating in Kw. (625 kw)

1 Answers   L&T,

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Draw a circuit diagram in which if button is open we can use socket and bulb as a series test circit and if button is close than simple we can use socket as any load purpose.

0 Answers  

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What is circuit breaker failure protection?

2 Answers  

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what is apparant power and reactive power

2 Answers  

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How to calculate cable size between battery charger to Battery ?

2 Answers   L&T,

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what is the opencircuit tes &short circuit test in transformers ,why you need this test, in poen your connecting which votmeter why?

1 Answers  

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what the purpose of data retrivala panel in substation

1 Answers   NCC,

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What aturn on methods of scr?

0 Answers  

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