Answer / j.kesavan

we are always using sy star connected transformers,when
take un balace load at this nutrol get current flow.

can we step up dc power using transformer?

15 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

0 Answers  

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What is differential relay ? where it can be used?

1 Answers   Scope International,

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What is the use device of the grid.

1 Answers   Premier,

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for selection of transformer we will considering 5 to 6 times of starting current of higher rating motor connected to secondary side. according to process wise we will start the motors gradually suppose if we will start 15 to 20 motors at a time wat will happen?

1 Answers  

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Require Generator Capcity ( KVA ) for 3 Phase Motor having 4.7Kw with starting current of 16amps?

1 Answers  

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Input power is 380 - 450 V but with 45 - 55 Hz frequency - desired output is 415 V and 50hz with 1% variation permissible. CVT / Servo dont stabilize the Frequency - what is best solution??

7 Answers   IOCL,

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if d gen is 50kw,load is 60 kw,hw d gen ll supply d remaining power?

3 Answers   NHPC,

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Hysteresis loss in a core is due to what reason or property of the material used for that core?

1 Answers  

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I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respectively. The total connected load 16809 KVA(11/0.433KV).how i calculate the max current & how i decided the CMD.

2 Answers  

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what is prniciple of three phase IM?

3 Answers  

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what is tpdt

4 Answers  

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