Environmental/Power System Considerations—Thyristor Crane Drives

[+] Author and Article Information
J. D. Campbell

Material Handling Drive Engineering Speed Variator Products Department, General Electric Company, Erie, Pa.

J. Eng. Ind 96(3), 773-777 (Aug 01, 1974) (5 pages) doi:10.1115/1.3438439 History: Received July 02, 1973; Online July 15, 2010


There is an accelerating trend toward application of modern static control and drive technology to cranes and heavy material handling systems, and the backbone of these systems are the thrysitor and the static regulator with its many printed circuit cards and small electronic components. This article reviews these elements with respect to performance while subjected to typical crane operating conditions, including shock, vibration, dirt, low line voltage, etc. Design features and special packaging considerations for crane installations are discussed, as well as alternate design approaches.

Copyright © 1974 by ASME
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