Answer / engr. kashif

Insulation+ increased surface area to dissipate effect of lightning.

if a 3phase motor runnig in star delta starter with full load of its,and its rated 15 amps.now we conneted over load thermal relay at its main contactor,here what will be our amps sittings?

3 Answers  

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what is vA rating and class of a ct.

0 Answers   L&T,

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Which motor has high Staring current A. Series DC motor, B.Induction motor c.Synchronous motor D.DC Shunt Motor

4 Answers   CCP,

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at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

0 Answers   Ebrahim Textile, Siemens,

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What will be the size of cable required for 5.5 KW motor ( Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

2 Answers  

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Difference between control junction box (cjb) and power junction box(pjb)?

0 Answers  

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Why the substation measure in KV but not in the power ratings of transformer.

4 Answers  

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what is the difference between elcb,rccb,mcb.

8 Answers   HCL, RCCB,

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Pls explain about full theory of salient pole generator?

1 Answers   Kirloskar,

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What is the basis for framing the rules of block diagram reduction technique?

0 Answers  

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what is called star connection and delta connection also purpose of this connections?

3 Answers   Siemens,

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Can be ammeter and voltmeter used without CT? if not, what is the reason for that?

3 Answers   Elektrotek, Toyo Engineering,

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