Answer Posted / santosh

1st of all u should clear about ur question like supply volt,load on motor / application of motor & pf.

On average i can tell u P= 1.73 V*I*COSfi

design a LV scheme for a 15 storied building?

1933

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draw singleline diagram of star to delta and dol starters

2236

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how to setting voltage RTCC panel

1649

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I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

2052

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Please, if 1kw is equal to 1.25kva; how then do I know how many kva in 7.5kw?

1649

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if in 3-phase system voltage=440V,frequency=60Hz, current=400A. then if it is single phase then current=? and if it is single phasing then current=?

2537

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what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

2242

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in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

2354

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what are the values of VRY,VYB,VBR,Vry,Vyb,Vbr,Vrn,Vyn,Vbn for Magenetic balance test of 100 KVA and 63 KVA Distribution transformer

2958

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pls,send the previous year written test questions.

1902

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DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?

2605

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What is marx circuit?

1112

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what maximum range of star & delta in hp or kw ?

1675

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

4016

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what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

1926

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