how to calculate the earthing conductor & no. of earth pits required

3 Answers  

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why is the core of the underground cable is spiral in shape instead of straight?

8 Answers   Mecon,

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What is called limb of a transformer?

0 Answers  

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What is a feedback in control system?

0 Answers  

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Hi My Dear All Friends, There is one question it is widely used in Power Project's High Voltage Engineering. Question- What is the diffrence between Earth fault and Back up Earth Fault....???? . . . . . . Have A Good Day

1 Answers  

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WHY ARE THE LT GENERATORS SOLIDLY EARTHED WHILE THE HT GENERATORS ARE EARTHE THROUGH NGR OR NGT??

3 Answers  

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i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

0 Answers   Crown Buildtech,

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how we are desining 63.5 ohm resistor for NGR of alternator?

1 Answers  

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how to calclate fault level

2 Answers  

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why selected genration, transmission or any at 11kv, 132, 220, 220 or 440 voltage which is propotional to 11. why does not any for ex. 12 kv 13kv or any

2 Answers  

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in three 3.5 core aluminium ug cable. one cable is used for one phase by shrting R,Y and B wires and other 2 cables used for Y and b phases. balace 3 neutral wires are made common and connected to load. suddenly neutral current was more than line current what is the reason behind this?

1 Answers   DLF,

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what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

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