Answer / pillay

drives are usually the motor that drives the machine. if the
motor is DC operated than it is a dc drive like wise if the
motor is AC than it is a AC drive.For ac motors vfds are
commonly used for speed control.

what is the illumination level required for child play area?

0 Answers  

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over frequency is the protection of turbine or alternator?

2 Answers  

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what is onan, onaf, ofan, ofaf in transformer?

8 Answers  

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what is transformar load balancing ?

2 Answers   L&T,

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Please tell me the power flow from pmg to main rotor of an alternator (Including AVR unit)?

0 Answers   Hindalco,

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how kva rating of transformer is calculated.

6 Answers   Fluor Daniel, Siemens,

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which type of questions asking for solar companies?

0 Answers   GE,

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How to calculate busbar size & what is the procedure we make for determine that?

35 Answers   Auko Tex, Integra, PowerTech, Shadhin Group,

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can we run AC & DC cables in same tray

1 Answers   Aurobindo,

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why we are useing capciter in EB meter?

2 Answers  

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which motor will u use in refinaries?

1 Answers   IOCL,

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Name quantities which are not transformed in the tranformer.

3 Answers  

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