Is Indian railway uses 25000v ac or dc?

7 Answers  

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How we calculate airgap between phases & terminal box of the transformer? any formulae.

1 Answers  

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What is the function of an Auto reclosure relay. How does it work??

4 Answers   KSEB,

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what is efficient motors and how it is different from normal induction motors

0 Answers   Sarthak Contracts,

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How wti of transformer works?

5 Answers   Vedanta,

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HI....HOW CAN BE MESARED THE VALVE OF NEUTRAL GROUND RESISTOR WHIC IS LOCATED AT SWICHGEAR ON GENERATOR SIDE....

0 Answers   Jindal,

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What are differences between Voltage, EMF & Potential difference ?

0 Answers  

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What are the advantages and disadvantages of closed-loop control system?

0 Answers  

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why the Parameters : Base Voltage & Maximum Voltage can't be equal in value in a VFD (Variable Frequency Drive) ? How much the base voltage would be lower than the maximum voltage ? If 400 V is the 3 phase output of a VFD ... then what should be the base voltage ? thanks a lot

1 Answers   Yaskawa,

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how much current take 16sq mm Cable

2 Answers  

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To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors

0 Answers  

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what is (+) and (-) in generator field detector stand for?

0 Answers  

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