Abstract

The speed control of DC motor is very crucial in applications where precision and protection is required. Dual converters are used for four-quadrant operation of DC drive. To implement complex control algorithms to control the speed and torque in reversible drives that require precise control we need to use a controller that has high accuracy. In this paper we present a dual converter based closed loop speed control system for a permanent magnet DC motor using processor DSPIC 30F 6012A. PID control algorithm has been used to control motor speed by operating Dual converter in non-circulating current control mode. The experimental results are presented which show that the speed is tracked with an accuracy of 98.42%

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