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Article: Tips for a smooth motor soft-start installation. (includes related article on comparisons of variable torque and constant torque load requirements)
- Article from:
- Plant Engineering
- Article date:
- July 1, 1996
- Author:
CopyrightCOPYRIGHT 1996 Reed Business Information, Inc. (US). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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There are several factors to consider when contemplating the use of a solid-state motor starter
Starting a motor across the line at full voltage can put a significant strain on both the power distribution system and driven mechanical system. Excessive currents drawn during an across-the-line start can produce a power sag that causes other electrical equipment to malfunction. Motor torque developed at full voltage can put excessive shocks on drive belts as well as gearing and other power transmission components, damage driven equipment, and even cause product damage and loss.(*)
Using a solid-state, reduced-voltage starter can help alleviate the power system ...