what is RR number Abbreviation energy meter

2 Answers   Trimax,

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why we are giving D.C. supply to field of an alternator, why can't we give the a.C. supply

12 Answers   APTransco, Proman,

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how to calculate the no. of earth pits required for an electrical installation?

1 Answers   Mepax,

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In transmission line 11kv,33kv etc are rms values are peak or others??

1 Answers  

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it is difficult to interrupt a capacitive current because (a)it has a leading power factor (b)current magnitude is very small (c)the restriking voltage can be high (d)stored energy in the capacitor is high

2 Answers   DGVCL Dakshin Gujarat Vij Company, MGVCL, UGVCL Uttar Gujarat Vij Company Ltd,

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How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

0 Answers   OCL,

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What will happen if twice the rated voltage is applied to a DC motor?

4 Answers   Toyota,

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neutral carrying current more than phase in 3phase supply.i want to know the reason?

2 Answers  

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A 200 KVA UPS's load current is 70 A. We want to provide a Generator back up. What capacity of DG required for this ?

1 Answers   Reliance,

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How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5

1 Answers   L&T,

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why series motor cannot be started on no-load?

6 Answers  

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Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 Answers  

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