Answer / venkatesh prasad

there are no protective devices in the starters, starters are mainly used to protect the motor from high starting currents.

what will happen if there is a voltage leakage or current leakage in an electrical train

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where they are using surge arrester and lighting arrester? how they connect? what is the purpose of that?

1 Answers  

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What is expand formation of AYFY cable

2 Answers   HP,

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purpose of check value

1 Answers   Seagate,

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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

4 Answers  

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What are motor generator sets and explain the different ways the motor generator set can be used ?

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WHAT IS THE COMPLETE DEFINATION OF POWER FACTOR?HOW IT CAN BE IMPROVED?AND WHAT IS CAPACITIVE LOD AND INDUCTIVE LOADS

2 Answers  

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Define steady state error.

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in a dc shunt motor what happens if motor takes high current,no speed

2 Answers  

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What is excitation?

2 Answers  

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Hello friends., my question is related to testing of current transformer... A Ct having knee point voltage of 750 volts., and I have two step up transformer's of rating 230 v to 440 volts., can I obtain the value of 750 volts by using the two transformer's.... If yes then how could I connect the transformer's to obtain knee point voltage?? thank you in advance

1 Answers   ABB,

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which is more danjerous high voltage or high current

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