why do we use 25kv supply for traction purpose

1 Answers  

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what is the main function of contactor?????

9 Answers  

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Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

0 Answers   Siemens,

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Initially, when the input is not equal to the output — what type of response is this?

0 Answers   GE,

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If o/p power is doubled by how much does the sound increase

0 Answers   Flipkart,

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suppose i have two single and three phase induction motor,thier have not any rating on its panel,anybody can tell me which motor is single or three phase?

1 Answers   Doon,

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what is the use of neutral?

14 Answers   IOCL,

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what is ELCB?

10 Answers   Wipro,

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We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

6 Answers  

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What is the abbreviation of NGT panel

0 Answers  

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what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 Answers  

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working principle of oil startar

0 Answers  

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