How many types of protection relays are there based on the characteristic?

0 Answers  

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what is power transformer?

1 Answers  

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what is the main use of ac and dc drives ? it is only used for speed variation or for power saver also?

1 Answers  

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Can anyone explain me about the capacitor calculation

0 Answers  

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State the other types of Air Conditioners?

0 Answers   HSL,

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How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

0 Answers   TCL,

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please send me latest & previous years question papers for IOCL Technical level questions

0 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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Which lamp will fuse first(1)20(2)40(3)200 three lamps will fuse together

2 Answers   NTPC,

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Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

1 Answers   ABB, Corsa,

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What is differential relay? How it operates?

1 Answers  

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How we can design a cable for a 3phase load.

3 Answers  

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