Why we are testing cables with dc?

1 Answers  

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Why does the power consumed is always constant even if a fan speed is altered?

4 Answers  

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what is the thumb rule to know current carrying capacity of copper conductors of different size.

1 Answers  

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what is electrical?

15 Answers  

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According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?

0 Answers  

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why dc series motors never start without some load, and what will happen if starting with out load..

1 Answers  

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if flux and load static in dc motor and supply voltage increases 20% then what happened in speed

0 Answers  

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how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???

0 Answers  

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whats happen if we disconnect the NGR of alternator in running condition?. Generally we observed that transformer netrul is directly grounded but alternator connected with NGR, then ground?

1 Answers  

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In my power station 220 volts dc battery set. they coneected 84th cell taped

1 Answers   KPTCL,

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On a 10 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 65 AH). What Shall be the current rating of DC MCB ?

6 Answers   RR, TNEB Tamil Nadu Electricity Board,

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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