Can anybody explain me the electrical circuit of indian railways to drive electrical engines(LOCOMOTIVES)? How does overhead lines work in the circuit to drive different trains on the same track?

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advantages and disadvantages of inverse definite minimum time RELAY

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What is the difference between line Distance protection and Line Earth Fault Protection?

1 Answers  

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what is the reactance,capacitance & impedence electrical armoured & unarmored Cables.

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How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?

0 Answers   OCL,

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Is the theorem applicable to ac sources?

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WHY HVDC?

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The windings of a transformer are divided into several coils, because?

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There are a Transformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

4 Answers  

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What are the types of transformers according to the arrangement of iron cores?

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we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

0 Answers   TNEB Tamil Nadu Electricity Board,

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What is the difference between Neutral and Eatrh?

8 Answers  

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