Phase Locked Loop Control

Phase Locked Loop Control(PLL): A PI controller ideally should provide perfect speed regulation. However, due to imperfections in sensing and control circuits, the closed-loop schemes described earlier can at best…

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Electrical Braking of Polyphase Induction Motors

Electrical Braking of Polyphase Induction Motors: Electrical Braking of Polyphase Induction Motors which consists of different types, namely, Plugging (or Counter-Current Braking) Dynamic (or Rheostatic) Braking Regenerative Braking 1. Plugging…

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Control of Electrical Drives Articles

Control of Electrical Drives Articles: Closed Loop Speed Control of Multi Motor Drives : When mechanical part of the load is of large physical dimension it becomes desirable to share…

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Control of DC Drives Using Microprocessors

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

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Four Phase Stepper Motor

Four Phase Stepper Motor: Four Phase Stepper Motor - The stepper motor is a special type of synchronous motor which is designed to rotate through a specific angle (called a…

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