Low-voltage motor control centers utilizing microprocessor technology

Low-voltage motor control centers utilizing microprocessor technology

Low-voltage squirrel cage induction motors are used in cement mill conveyors, dust collectors, crushers, mills, separators, and fans. There are many types of starters used to control these motors, including manual, magnetic, solid state, and adjustable frequency. However, most motors in the 10 to 40...

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Veröffentlicht in:IEEE transactions on industry applications 1993-07, Vol.29 (4), p.701-707
1. Verfasser: Loucks, D.G.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Contactors
Electrical engineering. Electrical power engineering
Electrical machines
Exact sciences and technology
Fans
Frequency
Induction motors
Magnetic separation
Microprocessors
Milling machines
Motor drives
Particle separators
Regulation and control
Solid state circuits
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Zusammenfassung:Low-voltage squirrel cage induction motors are used in cement mill conveyors, dust collectors, crushers, mills, separators, and fans. There are many types of starters used to control these motors, including manual, magnetic, solid state, and adjustable frequency. However, most motors in the 10 to 400 hp range use magnetic contactors with thermal overload relays. Recently, a new type of magnetic starter that includes a built-in microprocessor was invented. The author describes the design of this starter and the manner in which this new design is able to solve a variety of problems inherent with conventional magnetic motor starters.< >
ISSN:0093-9994
1939-9367
DOI:10.1109/28.231982