Answer / s m

By making grid of individual pits all the Individual pits
are connected parallel to each other . This reduces the
Equivalent Resistance to less than 1 . Generally in 0.1 ohm
or 0.2 Ohm range only. So this is done to improve the
effectiveness of the Earthing system.

Answer / prasad

simple answer machine safety as well as man human safety....

Answer / deepak24

Grid earthing is the interconnection of all the equipments or machines in industry and earth wells by earth wires which protect the all system by any leakage of current. Also it protects from humen danger.

Answer / antarjyami behera

For protect switch gear equipment of grid .

why the current leads voltage in the case of a capasitor

9 Answers   Infosys,

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sir , what happen if we decrease ( approx 3 inch ) the lenth of shaft in 110KW Induction , three phase motor. actually a 110KW motor is couppled with star couplling to 120TR compressor. When we doing maintenance in compressor it is required to skid the motor backword and resulting dis- alightnment . so we want to change the tyre coupling in place of existing coupling. so it is required to cut off the rotor aprox 3 inch form driving side.

2 Answers  

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what is purpose of manual bybass in ups

3 Answers  

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how the 12 pulse rectifier is made?

8 Answers   Engineers India Limited,

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why cable i burning without tripping. how can protect led street lights

0 Answers   Cosma,

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Why we use Delta connection in the secondary side of a High Voltage transformer?

1 Answers  

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what is solkor relay and which condition it will act?

0 Answers   Equate, TCS,

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Suppose the incoming power is 11 kw, but the load require only 8 kw means how can we save or use the excess power?

3 Answers  

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How big (size) can the tertiary winding be in transformer? Can we load the tertiary winding, if yes then how much we can load it?

1 Answers  

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what is the formula to find Amp. for an 3 phase moter both if H.P. or if kW is known?

5 Answers   Uttam,

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why fuse not recomended to neutral

10 Answers  

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If ac voltage applied to the field of dc generrator the output of dc generator ?

1 Answers   SSC,

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