Explain the experiment on ward leonard method of speed control of a dc shunt motor.

2 Answers  

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how to calculate earth resistat in earthpit with earth testing kit?

2 Answers  

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why are the a.c.series motors preferred for electric traction

4 Answers  

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What is different type of Electrical curve and how it protects the equipment's while up-normal situation?

0 Answers  

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What is the pratically meaning of neagative going ac current.

1 Answers  

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What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

0 Answers  

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If i want to build 230kv substation what are the equipments to be installed?

7 Answers  

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Why it need to form a capcitor when it not been in use from three or two year. Plz describe it technically.

0 Answers  

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why phase to phase voltage are 290 rather then 440?

1 Answers   Bosch,

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what is transformer?

4 Answers   Mphasis,

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how to calculate the size of cable for 100 kva load,?can somebody tell me with a formula

7 Answers   Havells,

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what is the difference between ac drives and dc drives?

1 Answers  

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