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Your purchase includes access to a pdf of the Power Transmission Handbook® Adjustable-Speed Drives chapter, enhanced with animations for select diagrams and images. This online module provides you with a basic understanding of adjustable speed drives including: the difference between open-loop and closed-loop systems; the features and applications of belt and chain drives; the differentiation between thyristors and transistors; terms and functions unique to adjustable-speed drives; features and applications of traction drives; features, rating, and application factors for eddy-current, wound-rotor, and DC adjustable-speed drives; features, types, ratings, and application factors for AC adjustable-speed drives; the major performance capabilities of common drive types; and more.