1. INSTALLATION AND MAINTENANCE OF SYNCHRONOUS MOTORS
Sean Orchuk P.Eng.
WEG-Electric Machinery

2. Outline Introduction Installation Maintenance Conclusions Questions
Installation and Maintenance of Synchronous Motors

3. Introduction 5000HP Synchronous Motor 20 Year Amortized Life
Installation and Maintenance of Synchronous Motors

4. Installation - Receiving
Unpack When Ready
Space Heaters Energized
Protect Motor From Elements
Installation and Maintenance of Synchronous Motors

5. Installation - Soleplates
<0.002 in/ft Slope
Epoxy-Grout Preferred
Ensure Grout Penetration
Installation and Maintenance of Synchronous Motors

6. Installation - Final Alignment
Align to OEM Requirements
Verify Soft-Foot
Full-Size, Stainless Shims
Installation and Maintenance of Synchronous Motors

7. Installation - Fastener Torque
Typically 75% Proof Load
Record Torque – Mark Fastener
Install Dowels Where Specified
Installation and Maintenance of Synchronous Motors

8. Installation - Motor Protection
Locked Rotor / Pull-Out
Overload
Temperature Protection
Installation and Maintenance of Synchronous Motors

9. Maintenance Local Conditions Dictate Maintenance
Installation and Maintenance of Synchronous Motors

10. Maintenance – Cleaning
Dust → Compressed Air
Oily Residue → CO2 or Chemicals
Gaskets / Seals Damaged → Replace
Installation and Maintenance of Synchronous Motors

11. Maintenance – Electrical Testing
DC Insulation Testing of Each Circuit
Continuity Testing of Each Circuit
Surge Testing With Extreme Caution Only
AC Testing After Overhaul or Major Repairs
Installation and Maintenance of Synchronous Motors

12. Conclusions Installation Less Than 5% of Thru-Life Cost
Maintenance 5-10%
Possibility To Extend Motor Life 2-Fold