Technical Information and Tools

One of the many goals for the "GoEvans" website is to provide useful information that will keep our customers and prospective customers coming back again and again. In order to achieve this goal we have done extensive research to find useful information that pertains to the many electrical apparatus fields that we service. We hope you enjoy and find the following Technical Data useful and informative. Be sure to check back often, as this section will be continually updated to provide useful tools and information.

Electric Motor Lubrication Guide
Interpreting Megger Readings
Understanding Slip Design
Locked Rotor Torques
Safe No. of Starts & Intervals
Allowable WK 2
Alignment Tolerances
Frame Sizes & Dimensions
Glossary of Terms

“Reproduced with permission from How to get the Most out of your Electric Motors Copyright 1997-2000, Electrical Apparatus Service Association. All rights reserved.”

Motor Connections
Full Load Currents
Full Load Efficiencies
NEMA Frame Assignments–AC
NEMA Frame Assignments-DC
NEMA 3PH Starter Sizes & Volts
Enclosures – Starters
1 PH Starter Sizes
Useful Formulas
Decimal to Fraction to Metric

“Reproduced with permission from Electrical Engineering Pocket Handbook, Copyright 1997-2000, Electrical Apparatus Service Association. All rights reserved.”

Alignment
Balance & Vibration
Sleeve Bearing & Seal Clearances
Oil & Grease
Oil & Grease Compatibility
Belts & Sheaves
Belt Installation
Belt Tensioning

“Reproduced with permission from Mechanical Reference Handbook, Copyright 1999, Electrical Apparatus Service Association. All rights reserved.”