The National Electrical Manufacturers Association has released a new energy management guide for polyphase induction motors: NEMA MG 10-2017 Energy Management Guide for Selection and Use of Fixed Frequency Medium AC Squirrel-Cage Polyphase Induction Motors. The guide includes practical information about the proper selection, installation, operation, and maintenance of medium AC polyphase squirrel-cage induction motors.
NEMA MG 10-2017 is available in hard copy for $87 and as an electronic download at no cost on the NEMA website.