Answer / nitin khatana

because the line in traction system are very long distances so there is voltage drop across line to boost up this voltage we connect an autotransformer which is placed at some distances from other for compensate this voltage drop we used transformer.

Answer / shripad

Booster transformers are used in electric railway AC catenary feeders to collect the return current from the rails and the earth to the return conductor. ... Booster transformers are used to eliminate the stray currents and the disturbances, obliging the return current to flow to the return conductor.

How to calculate 33 kv panther conductor line losses.

1 Answers   Construction, Orange,

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transformer test

4 Answers  

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why we need the starters for motors

1 Answers   L&T,

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whay we used silica gel in Transformer

3 Answers  

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If an induction motor is restarted before its rotor stop rotating, then what will be the amount of current drawn? Is this current will be the same as motor starting current?

5 Answers  

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how we can produce negative DC voltage ? please explain it .,thank u

1 Answers  

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in domestic service connection,what is service main?

1 Answers  

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what is the difference b/w circuit breakers and relays?

3 Answers  

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How to Calculate KA Rating of Main LT Panel

0 Answers  

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What is the differentional relay...what is the work of this in power Tx. how it is works..

0 Answers   ABB,

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Why CT secondary should not be kept open?

7 Answers   Anna University,

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How much allowable difference current between on three phases Dear sir, We have a 1870 KW HT motor, 11 Kv supply,FLA-120A,2870 rpm,2-pole squirrel cage induction Motor.And stator is connected in star connection with Liquid resistance stater to limit the starting current.It has coupled with Centrifugal air compressor.My question is it is loading 73% of FLA taking R-phase 86.7 A, Y-phase-85.4A,B-phase- 78.3A.why the B phase current is that much of difference.Is it allowable, or any one tell me how much allowable current.If any method to calculate.

1 Answers  

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