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Low Power Factor

Low Power Factor: The Low Power Factor plays an importance role in ac. circuits since power consumed depends upon this factor. It is clear from above that for fixed power…

Stepper Motor Classification: The Stepper Motor Classification based on the construction and principle of operation. These are Variable reluctance motors Permanent magnet motors Hybrid stepping motors Claw pole motors with…

Margin Angle Control of Synchronous Motors

Margin Angle Control of Synchronous Motors: The commutation Margin Angle Control of Synchronous Motors is defined as the angle measured from the end of commutation to the crossing of the…

Microprocessor Control of a Current source Inverter Fed Synchronous Motor

Microprocessor Control of a Current source Inverter Fed Synchronous Motor: A drive system employing a Current source Inverter Fed Synchronous Motor has the following features: A four quadrant drive can…

Microprocessor Control of Synchronous Motor Drives

Microprocessor Control of Synchronous Motor Drives: Variable speed drives employing Microprocessor Control of Synchronous Motor Drives are becoming very popular in industrial applications. They are an immediate solution for high…

Field Oriented Control of Three Phase Induction Motor

Field Oriented Control of Three Phase Induction Motor: The stator current of an induction motor has the functions of producing the required air gap flux (magnetisation) as well as developing…

Control of DC Drives Using Microprocessors

Control of DC Drives Using Microprocessors: The dc motors fed from thyristor converters for variable speeds are being extensively used in general industrial applications. A dual converter, which is a…

Feedback Control in Drive System

Feedback Control in Drive System: Feedback Control in Drive System - A closed loop control of a variable speed drive system employing thyristor power converters is normally a discrete time…