what is the purpose of silicon dropper used in battery charger?

0 Answers   KNPC,

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What do you mean by a phase angel of instrument transformer?

0 Answers  

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Which protection detects both AC and DC?

3 Answers   Megatron Solutions,

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what are the main hormonics in ac?

1 Answers  

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Hi, I've just got into my electrical engineering course and I need some help with a question of mine here. During a site visit, we were shown a main LT panel which has switchgears, ammeters and different kinds of relays and the distribution network from that panel. In the main LT panel I've noted down the current readings as Ir - 163A, Iy - 150A and Ib - 147A. The Line to Line voltage is 415 V at 50 Hz and Line to Neutral voltage is 230V at 50 Hz. From the above details, how would I calculate the kVA rating of transformer? The primary side voltage of the transformer is 11 kV and the secondary side voltage is 415V and the frequency is 50 Hz.

2 Answers  

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what is mind in cable

0 Answers   BARC,

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What is meant by sag?

0 Answers  

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WHAT IS MODULATION AND NEED FOR MODULATION ?

1 Answers  

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1.Is there any difference between terminologies,HT-HV &LT- LV? 2.What is the highest transmission voltage level in india?

5 Answers  

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how to changeover ups in this power failur time?

0 Answers   Essar,

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why the NGR (neutral grounding resistor) always OFF during DG off?

0 Answers   Bhel,

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what is difference between electrical and electronics

2 Answers  

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