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.

Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

0 Answers   Impulse,

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what are the different pre- commissioning tests performed on distribution transformer, power cable and switchgear?????

1 Answers   Reliance,

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0 Answers   Bhel,

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I am looking for LV CT test. To check the polarity of the CT only. Can you suggest any supplier. Different companies are offering CT/PT Tester which is expensive. Thanks

2 Answers  

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why normally Generator rating are between 11Kv to 22Kv?

2 Answers   IFFCO,

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why current flow throgh conductor.

2 Answers  

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what transformer we used normally and upto which kva?

0 Answers  

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how to calculate the cable size depending on the amps?

1 Answers   Polycab,

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What is meant by shunt current?

1 Answers   ABC,

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Why we use DC for charging of Batteries??Why not AC Supply???

6 Answers   Emerson, Infosys,

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What is Fan Coil Unit . How can we calculate CFM .

3 Answers  

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State the formula for overall efficiency of thermal power station

0 Answers  

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