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

What is the difference between hot and cold loop testing?

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Why derating factor os applied on Cables?

0 Answers  

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Why we use series reactor in power system?

9 Answers   Cadbury, HEG, Uttam,

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is

0 Answers   Caterpillar,

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tate and explain super position theorem

2 Answers  

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who iz power minister ?? :P

1 Answers   IOCL,

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i want to run 11kv star connected motor in 6.6kv with delta connected throught inverter, is it possible?

0 Answers  

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Do we really need wheels for the transformer

1 Answers  

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Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

9 Answers   Indian School of Mines,

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IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase only to earth in during H.v testing (through H.v KIT).what happen remaining phases.how much voltage get remaining phases.why? explain.

1 Answers  

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what time should we set to come on star contacter in stardelta starter?and for what reason we hav to set such time delay range?

2 Answers  

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