Standard Motor Catalog

Section TR Technical Reference Guide

Index 50 HZ Operation............................................................... TR.7 Altitude............................................................................ TR.46 Ambient........................................................................... TR.47 Applications, Quick Reference....................................... TR.50 Balance, Dynamic. ......................................................... TR.27 Bearing Life..................................................................... TR.34 Bearing Lubrication......................................................... TR.27 Bearing Systems, Horizontal.......................................... TR.27 Bearing Thermal Protection............................................ TR.34 Brakes............................................................................. TR.34 Cable Glands.................................................................. TR.22 C-Face Mounting............................................................ TR.36 Conduit Box, Special...................................................... TR.35 Connection, Winding...................................................... TR.20 Cooling............................................................................ TR.15 Corona Inception Voltage............................................... TR.39 Couplings, Half............................................................... TR.35 Current Transformers..................................................... TR.22 Current, General............................................................... TR.9 Current, Low Starting. .................................................... TR.23 D-Flange Mounting......................................................... TR.36 Design A and B (Types K and KS). ................................ TR.10 Design C (Types KG and KGS)...................................... TR.10 Design Comparison, Polyphase..................................... TR.11 Design D (Type KR). ...................................................... TR.10 Design L (Type C)........................................................... TR.14 Dowel Holes. .................................................................. TR.35 Drip Covers..................................................................... TR.47 Dual Voltage..................................................................... TR.4 Duty Cycle Application.................................................... TR.16 Dynamic Balance. .......................................................... TR.27 Efficiency Levels – IEC................................................... TR.42 Efficiency, Definition........................................................ TR.40 Enclosure / Cooling Comparison of IEC / NEMA........... TR.25 Enclosure, Materials....................................................... TR.25 Enclosures...................................................................... TR.44 Endshields, Special........................................................ TR.35 Explosion-Proof Motors.................................................. TR.44 Export Boxing................................................................. TR.47 Frame Designation, IEC / NEMA Comparison............... TR.25 Frame, Non-standard..................................................... TR.36 Frequency, Definition ....................................................... TR.6 Frequency, Dual. .............................................................. TR.7 Frequency, Standards...................................................... TR.6 Frequency, Variation......................................................... TR.7 Grease Fittings............................................................... TR.36 Grease, Special.............................................................. TR.47 Grounding....................................................................... TR.22 Hardware........................................................................ TR.47 Hazardous Locations ..................................................... TR.44 Hazardous Locations, per ATEX.................................... TR.46 Horsepower...................................................................... TR.8 Inertia, Load.................................................................... TR.18 Insulation Class.............................................................. TR.15 Leads, Special................................................................ TR.23 Load Calculation (Belt Drive).......................................... TR.33 Load Connection. ........................................................... TR.30 Load, High Inertia........................................................... TR.18

Losses, General. ............................................................ TR.40 Losses, Types of............................................................. TR.40 Lubrication...................................................................... TR.27 Model Number Nomenclature........................................ TR.49 Mounting Configurations – NEMA.................................. TR.25 Mounting Configurations – IEC...................................... TR.26 Mounting Configurations Comparison – IEC / NEMA.... TR.27 Paint, Special.................................................................. TR.47 Paint, Standard............................................................... TR.47 Polyphase Motors, 1-500 Hp.......................................... TR.10 Polyphase Motors, 500 Hp and Up................................ TR.14 Polyphase, Design Comparison..................................... TR.11 Power Factor.................................................................. TR.19 Power, Polyphase............................................................. TR.7 Power, Single-phase. ....................................................... TR.7 Premium Efficiency, per NEMA. ..................................... TR.41 Premium Efficiency, per IEC........................................... TR.42 Screens........................................................................... TR.47 Service Factor. ............................................................... TR.14 Shaft Seals. .................................................................... TR.48 Shaft Slinger................................................................... TR.37 Shafts, Special................................................................ TR.36 Sheave, Limiting Dimensions......................................... TR.32 Single-phase Power......................................................... TR.7 Space Heaters................................................................ TR.23 Speed. .............................................................................. TR.7 Starting Connections...................................................... TR.20 Starting Frequency......................................................... TR.18 Surge Protection............................................................. TR.23 Temperature Rise, Standard.......................................... TR.15 Temperature Rise, Special............................................. TR.23 Terminals, Special. ......................................................... TR.23 Testing. ........................................................................... TR.38 Thermal Protection......................................................... TR.23 Thermostats, Thermistors, RTD..................................... TR.24 Torque comparison IEC / NEMA for LRT, PUT and BDT. TR.11 Torque, Breakdown.. ........................................................ TR.8 Torque, Definition.............................................................. TR.8 Torque, Locked-rotor........................................................ TR.8 Torque, Pull-up. ................................................................ TR.8 Torque............................................................................... TR.8 Type KC Motors (Design L)............................................ TR.14 Type KR Motors (Design D)........................................... TR.10 Types K and KS Motors (Design A and B)..................... TR.10 Variable Frequency Operation. ........................................ TR.7 Vertical Jack Screws. ..................................................... TR.37 Vibration Switch / Probe................................................. TR.37 Voltage.............................................................................. TR.4 Voltage, Definition............................................................. TR.4 Voltage, Low Starting. ...................................................... TR.6 Voltage, Special................................................................ TR.4 Voltage, Unbalance.......................................................... TR.6 Voltage, Variation.............................................................. TR.5 Winding Connections and Starting................................. TR.20 Winding Treatment – Custom Polyseal ® ........................ TR.28 Winding Treatment – Trickle Treat. ................................ TR.28 Winding Treatment – Vacuum Pressure Impregnated... TR.28 Winding Treatment, Special. .......................................... TR.28

TR.3

Data subject to change without notice. 02/23 • www.gemotorswolong.com