The Complete Book of Electric Motor Application and Maintenance

By Richard L. Nailen, P.E.

Everything you need to know about specifying and applying polyphase induction motors.

464 pages; 547 illustrations; hardbound.

price $74.95

Here, in one convenient reference, is everything you need to know about specifying and applying polyphase induction motors. Whether your job is maintaining motors in the field or shopping for the most economical drive system for a manufacturing plant, you'll benefit from the wealth of useful application tips to be found in Managing Motors.

Updating the original edition published in 1991, this second edition of Managing Motors has been extensively revised to bring it into conformance with the most recent edition of the National Electrical Code. In addition to the material that made the first edition invaluable to its readers, this edition of Managing Motors includes all-new material on energy-efficiency, motor protection in harsh environments, motor mounting, and motor circuit breaker settings.

6095$74.95

If you prefer to order by telephone, call toll free 1-800-288-7493

TABLE OF CONTENTS

Motors and Standards

National electrical equipment standards; NEMA's MG10; motor efficiency; converting motor specifications from English to metric units; service factor and other nameplate markings; the right way to prepare motor specifications. Efficiency and Power Factor

The truth about efficiency and power factor; the Energy Policy Act; efficiency testing; the role of power factor in motor design; stray load loss; how motors are tested; capacitors and power factor controllers. Coping with Starting Conditions

Motor torque, inertia, and acceleration heating; typical driven machine characteristics; types of reduced-voltage starting. Matching the Motor to the Power System

Protecting motors against overheating on starting; voltage unbalance; multi-function protective devices; transient voltage and torque; kinds of surge suppression. The Motor and Its Environment

NEMA's enclosure definitions; protecting the motor against contamination; keeping motors clean; bearing seals; ventilation system design; dealing with explosive atmospheres; maintaining safe levels of motor noise. Insulation and Windings

Types of coils; choosing, applying, and testing insulation materials; measuring winding temperature; the selection and placement of temperature sensors in windings. Bearings and Lubrication

Bearing standards; shielded versus sealed bearings; bearing speed limits; predicting bearing life; choosing a lubricant; the use and maintenance of lubrication systems; pressure lubrication; oil versus grease. More about Optional Accessories

Speed sensors; anti-plugging switches; friction braking; controlling and maintaining brakes; alternative braking schemes; terminal box standards and sizing. Installing Motors

Motor bases; baseplate vibration tuning; natural resonance frequency; the free baseplate; base mounting; dowelling; bolt failure; coupling selection; aligning driving and driven shafts; grounding practices.

Bibliography

Index