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.

HOW MUCH CURRENT DOES SYNCHRONOUS MOTOR TAKES AT SYNCHRONOUS SPEED IN NO LOAD CONDITION ?

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what is meant by loss of field in a DC motor? how a universal motor works?

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what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

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0 Answers   Welspun,

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how we are measuring the import and export power?

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What is working principle of ACB and VCB?

9 Answers   Greenko, HCC,

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plz explain the snubber circuit unit

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Utility company give the supply to customer in KVA but bill them for Watt.why?

1 Answers   L&T,

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