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Modern Control Techniques For Induction Machines In High-Performance Adjustable-Speed Drives, Pat Cronin
Modern Control Techniques For Induction Machines In High-Performance Adjustable-Speed Drives, Pat Cronin
Theses
Induction Motors (IM’s) are increasingly being considered for and used in high-performance motor drive (HPMD) systems. Their application has only gained acceptance since the 1970’s with the advent of vector control, microprocessors and improvements in power converter technology. D.C. motors were traditionally the preferred choice in HPMD systems. The main reasons for IM acceptance in HPMD systems are ruggedness, durability, low maintenance, cost, and small size by comparison with D.C. motors.
Alternating current asynchronous motors of the IM type are considered to be the universal workhorses of the manufacturing industry. It has been estimated that they are used in seventy …