How do you select a cable size(cu&Al)for a particular load?

2 Answers  

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What is float cum boost charging system?

0 Answers  

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what is inverter

12 Answers   Bhel,

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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How can calculate HT side VCB? For example I have 1250 KVA load what will be HT side VCB Amp.range and what size XLPE cable I use for HT side.

2 Answers   NASSA, Orchid, SB Automation,

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is any body explain me why return current in three phase power system is less then in a red, yellow, blue phases??? as we know Ir+Iy+Ib=In then why nutral wire has less then phase current????

2 Answers   Bhel, DRIEMS,

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insulators advantage in transformer yard?

1 Answers  

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why we don't discuss power facter in dc?

5 Answers  

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aeroline vibration is present

1 Answers   DVC,

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What is an ac motor?

0 Answers  

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Utility company give the supply to customer in KVA but bill them for Watt.why?

1 Answers   L&T,

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If R and Y terminals are short circuited,then power will cut. we all know that power cannot be stored.what will happen to already generated power at power station?

3 Answers  

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