Answer / k.prakashchandra

Counterpoise earthing is employed in broadcasting
stations.The earthing wires are insulated and laid above the
ground in many directions radially.The capacitance of the
wires acts as earthing for high frequency waves without
energy loss.I have only seen them and do not know much about
the theory.

why plc need seprate earthing?

2 Answers   ABB, Whirlpool,

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can we use the same fuse for both ac and dc?

3 Answers  

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who is invented transforner (230v).......

2 Answers  

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hoe we can exlain the effect of caoacitor in fans????????

1 Answers  

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In electrical what is earth(ground)connection, wht is the importance of it, why it is recomended to maitain below 3VAC between Neutral and earthspecially in PLC used machines?

0 Answers   Nissan,

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Why is it that bus reactors are not accompanied by a neutral grounding reactor whereas a line shunt reactor is? PGCIL does so.

2 Answers  

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How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

0 Answers   OCL,

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in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.

1 Answers   Gasal, Voltech,

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The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

0 Answers   BARC,

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xfhnchncv?

0 Answers  

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please describe the Transformer setting, Motor setting, I/C setting, Tie setting

0 Answers  

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which of the following loss varies with the load a)hystresis loss b)eddy current loss c)copper loss d)core loss

2 Answers  

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