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

Can anyone explain me about the RLC based Impulse high voltage generator and how to and operation of Series resonant High voltage reactor...?

0 Answers  

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What is the equivalent circuit of a transformer and its vector diagram?

0 Answers   Bhel, Madhucon,

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how much watts are equal to one unit of energy meter?

9 Answers  

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

0 Answers   Jomel,

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Can Anyone suggest the Standards (IEC or IS) for selecting copper current density?

0 Answers  

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Why dc Supply used in Control circuit.

12 Answers   HP,

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what happens when you connect a.c and d.c supplies

1 Answers  

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which bridge is used to measure frequency?

2 Answers  

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How calculate the MTA in relay?

1 Answers   Unicharm,

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Can motor act as generator (OR) vice versa? explain how does it do please post the answer technically

11 Answers   GM General Motors,

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Why the earth cable have current 1A - 2A , it is safety for Electrical system or earth cable should be zero amps ? how to troubleshoot?

0 Answers  

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IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

0 Answers   ABB,

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