Answer / k.murali

4070KW

Answer / k.prakashchandra

Actual capacity of tr depends on temp rise i.e. cooling

How one can say about a device (e.g: a light holder contains 20 or 30 L.E.Ds which glows when power supply is off, from which source they are getting the supply..... battery or capacitor) without removing and opening up its case ?

1 Answers   CMC,

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what do you understand by dressing a HT/LT pole

1 Answers   Federal Polytechnic Nekede,

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i want to measure voltage difference between neutral and earth so i just simply use voltmeter. my question is that may i use this measure continuosly.or there are some electricity board restrication on that? or it creat some problem on my measuring device..?

2 Answers   NEEC,

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HOW DOES THE PERCENTAGE DIFFERENTIAL PROTECTION WORK IN POWER TRANSFORMER

1 Answers  

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Difference between earthing & grounding.?

3 Answers   ABB,

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How is the AVR working?

1 Answers  

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Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

1 Answers  

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what is the procedure for cable sizing or on what basis we will calculate the size of cable?????

6 Answers   ANG, Focus, Mecon,

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who & how the notations given as RYB to 3phase power supply.

1 Answers  

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Can any one help me how to set an overload set the range from 2.8A to 4A , rated motor current 22A, CT 60/5A

2 Answers  

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What are the voltage values for LT,HT,EHT and other voltages??

22 Answers   INEL, MNC,

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