Answer / abishekmittal

In transmission lines, we can have different types of
protection like.
1. Distance protection
2. Back up distance
3. Cable differential protection
4. Line differential protection

Answer / er.s.ramkumar

Distance relay used for transmission line protection, this
relay operate when fault happend in the line.save the load
or other working equipments.

Answer / sindhu

in case any fault occurs in the transmission line, it is
used to isolate the healthy side from the faulty side i.e it
is used to protect the line from total damage.

Answer / karthi

in abnormal condition,fault current may be more, to isolate the fault current elemente from the system

What is proximeter? where it is used and why?

1 Answers  

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a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

1 Answers   GATE,

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why transformer rating in kva ?

14 Answers   Eltel, RRB,

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How to set an overload in a motor?

3 Answers  

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how to calculate short circuit calculation of the transformer by usuing the percentage impedence? formula needed.

2 Answers   L&T,

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DIFFERENCE B/W NEUTRAL AND EARTH?

2 Answers   Genesis, IBC,

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which is chemical used as in ro water what is difference betweeen multi grade filter&dual media filter

0 Answers   Dalkia,

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how we can set the IDMT relay.

0 Answers   Suzlon,

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How much amps carry in single phase R-phase,in D63A 4-pole MCB

1 Answers   TCS,

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HOW THE OLTC TRANSFORMER SAVE ENERGY IN COMPARISON TO OFF LINE TRANSFORMER AND IS IT ECONOMICAL TO REPLACE THE OFF LINE TRANSFORMER TO OLTC TRANSFORMER

0 Answers  

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sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder

0 Answers   RRB,

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How multimeter shows phase to phase voltage 440V & phase to neutral 220V.

2 Answers  

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