Answer / anil

most induction motors are started in direct on line, but when large motors are started that way because of disturbance of voltage on supply lines due to high current . to control the starting current we the star delta connection using direct of line control circuit using connectors and timer to reduce the starting current

how many types of dc batteries standards are present?

2 Answers  

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Why we choose 400kv,220kv,132kv,66kv,33kv transmission voltages for transmitting power. Why not other voltage levels.

21 Answers   College School Exams Tests, HC, HCL, Jaypee, JPMorgan Chase,

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what is the basic difference between capacitor and condenser ?

17 Answers   ABB, Essar,

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What is the difference between AC and DC injection methods for rotor earth fault protection

0 Answers   Asian Alliance Insurance, NBVL,

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what is the difference between capacitive voltage transformer & inductive voltage transformer.

3 Answers  

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what type of transformer used in soft ware parks its distribution or power transformer. like 1800 kva

3 Answers  

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Which type of gas used in cylinder (VCB)?????

15 Answers   ICSA,

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some practicle study shows that the reactive power at the receiving end is not equal to the reactive power at the sending end.But according to theory the reactive power is exchanged by different parts of the network – capacitors and reactors permanently, but is never consumed or produced. Then Where that reacrtive power loss occuring?is there any formula to calculate reactive power loss?

3 Answers  

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What is the GNA & MNA in armature reaction of Dc Generator

2 Answers   Khetan,

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we have 15 ampere variyac but we want 30 ampere variyac what we do

0 Answers   Delta Roto Tech,

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Why the outpet og DG is 415V not 440V?

1 Answers  

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can u give me a brief idea about power line carrier communication ??

0 Answers  

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