tell me the operation of ELCB. How it detects a fault?

4 Answers  

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what is the use of earthing?

1 Answers   CPCL,

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Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.

0 Answers   DT Technologies,

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if voltage in transmission line more than current will be more or less,if less what about the Ohm's law

2 Answers  

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working principles of a generator

3 Answers   Cairn,

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List out the different frequency domain specifications?

0 Answers  

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How do i calculate sizing of transformer on didstrubution load for high rise building.What should be MVA Rating of MV Panel feding by 122 kv.

2 Answers  

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Why does increasing the magnetic flux in the main field of a d.c motor cause the armature current to reduce??

0 Answers  

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can we identify the direction of power flow in transmission line by after only looking the tower

7 Answers   TNEB Tamil Nadu Electricity Board,

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Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

0 Answers   NCC,

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What is the basic difference between 90% stator earth fault and 100% stator earth fault, and its phenmenona?

4 Answers   Reliance,

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what is the function of choke in tube

1 Answers  

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