Answer / felixraj

earth fault protection

Answer / satish panchal

Residual voltage & residual current used in Directional
Over current and directional earth fault protection. also
used in dist protection.

Answer / darshan thakur

Resudal current is used for unbalance protection.& also for
earh fault protection we are used open delata connection of
potential transformer.

Answer / pooh

Surge arrestor

Answer / magesh

yes

what will happen if we use cylindrical conductor instead of flat cu conductor in transformer

2 Answers   Crompton Greaves,

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what the different between earthing and grounding?

4 Answers  

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Why usually in all electrical equipment taking more current in Y pahse like pumps,compressor,or any other applications

1 Answers  

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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Why is the electric shock from the DC supply is more dangerous than the shock from AC supply.

8 Answers   IBM,

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How much area is covered by a single lightning arrestor to protect object from lightning strokes ?

1 Answers  

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Where we can use 3.5c cables instead of 4c cables.Why?

4 Answers  

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What is the difference between Earthing & grounding

4 Answers  

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what are the method of testing of transformer??

2 Answers   NCC,

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How do determine the Size of a Droop Current Transfomer for Paralleling of Two Generators, Say I need a Droop Current transformer for a 600 kW generator need to be parallel with a 800 kW generator, etc.

2 Answers   JK Cement, MPPGCL Madhya Pradesh Power Generating Company Ltd, PNG Power,

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what is the max working temperature of an oil filled transformer say of about 1500kva.

3 Answers  

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why we are not giving the zone 1 trip command to the master trip relay

0 Answers  

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