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Power Factor Improvement

Power Factor Improvement: The low power factor is mainly due to the fact that most of the power loads are inductive and, therefore, take lagging currents. In order for Power…

Stepper Motor Applications: The microprocessors are employed for the control of stepper motors which are generally used as position actuators. Some other Stepper Motor Applications are to drive floppy discs,…

Gate Firing Converters

Gate Firing Converters: The firing pulse control unit constitutes the heart of any thyristor power converter. The Gate Firing Converters required by the thyristors are often derived from the digital…

Applications and Functions of Microprocessors in Electric Drives

Applications and Functions of Microprocessors in Electric Drives: With the remarkable progress in the area of microelectronics, reliable and powerful microprocessors have come to be more widely used in the…

Turbocompressors

Turbocompressors: The turbocompressors and blowers in the industry require drives rated up to 40 MW. Drives of large rating are also required in steel industry blast furnace blowers in natural…

Wound Rotor Induction Motor with Subsynchronous Converter Cascade

Wound Rotor Induction Motor with Subsynchronous Converter Cascade in the Rotor Circuit: The following points favour the application of a slip ring motor having static slip energy recovery scheme in the…

Paper Mill Process

Paper Mill Process: The raw materials for Paper Mill Process undergo two processes before the paper is available: The pulp is made from the raw materials. This pulp is converted…

Machine Tools Motors Requirements

Machine Tools Motors Requirements: The Machine Tools Motors Requirements are: The motors must be reliable and low cost, requiring less maintenance. They must be capable of speed control. Some applications…