Answer / engineered

Factors for selection of cable
1.Rated current
2.voltage drop across cable
3.derating factor based on temprature,no. of cables laid
through same path influencing each other
4. Type of laying method:- like air, ground, duct, tray,
raceway
5. type of conductor required.
6. type of insulation, like PVC, XLPE, FRLS based on site
condition

May I know how much values to be set for earth fault, over current and short circuit values at 11kv side? I have 11kv van 1250amps rating. Present it's taking load 80amps?

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volts=230 c=10mf a=??

0 Answers  

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How check proper electrical earthing of machine.

5 Answers   DRJ ARDE,

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what is the meaning of powerfactor

6 Answers   NTP,

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why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

0 Answers  

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pls tell what are doing the three phase motor star and delta connetion with circuit diagram and control wiring .

0 Answers   Mukand,

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Determine the BTU size of an aircon for 20 sq metre room

0 Answers  

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whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions

1 Answers  

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What is FM 200?

2 Answers   Dalkia,

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What is the difference between MCCB & MOCB?

1 Answers  

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Explain the purpose of inductor in an electric circuit?

0 Answers  

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if current required for triggering thyristor at -30 degrees(temp) is 80 mA, what is the current required at 60 degrees

1 Answers  

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