Answer / rajesh

blowers for blowing cooled air inside train
fan for exhaust hot air
compressor ( dc /induction motor ) for cooling liquid
refrigerant to gas phase

pump for assisting flow if exhaust is above toilet at roof
ckt breaker , switch panel for control
temperature , pressure sensor
lead acid battery in case of express train
etc

why is the transmission voltage is multiple of 11?

4 Answers  

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Three phase star connected PT transformer primary side one phase fuse is blown what will be the output in secondary side(Secondary side also three phase star connected)

1 Answers  

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What is the distance between each insulator in 33kv transformer and how can it calculate

0 Answers  

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I have raw material for making Compact-Choke for flourscent lamp of 40 Watts. We are suppose to get 0.4 amps output at end. but we are getting 0.42 or 0.44 amps and above. We have done many testings in different but nothing worked out. Please suggest me how to get the correct output. We are using 1. core winding of 700 windings of aluminium 2. E-shape iron fillings and I-shape iron fillings to surround the winding.

6 Answers  

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why the transformer neutral give to the earth ?

2 Answers   Jindal, JLL,

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inductive power factor is benefit compare to capacitive????

3 Answers  

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During regenerative breaking= A rotating magnetic field is reversed B slip is positive C torque is positive D slip is negative

0 Answers   Core Solutions,

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How to solve the problem of low voltage at consumer end in distribution system if one phase come low voltage of transformer

1 Answers   ABB,

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how many types of ct retio

3 Answers  

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What is s-domain and its significance?

0 Answers  

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Which formation is better in transmission lines - horizontal or triangular and why ?

2 Answers  

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how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

0 Answers  

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