In the final post in this 8 part case study series, you will see Todd Hatfield explain the final assembly of the 5500HP, 13,200v, synchronous motor in the clip below from a presentation given at the 2018 RPM Symposium. 

The presentation below covers:

• Assembling the rotor to the adapter base with the stator

For part 7 of this series, Todd Hatfield will be explaining the process of creating the adapter base in the 2 videos below. Video one explains the engineering of the adapter base design, while the second video explains the process of mounting the stator to the adapter base.

Video 1 describes:

• Creating a CAD drawing to ensure the adapter base design was scaled to fit into the concrete pit

Below is a 2 minute clip of an hour long presentation given by Todd Hatfield during the 2018 RPM Symposium. Part 6 of this 8 part series focuses on the redesign and rewind of the stator for the 5500HP, 13,200v, synchronous motor.  

• The new engineered stator winding design and CAD drawing

In part 5 of this case study, Todd Hatfield will be reviewing the electrical design of the rotor. Below is a short 3 minute video showing the steps involved in creating the new coils for this 5500HP, 13,200v, Synchronous Motor's Rotor.

 The video below will discuss: 

• The decision to keep the coil design and duplicate it or to come up with a new and improved design

Below is a 10 minute segment from an hour long presentation given by Todd Hatfield. In this clip, Todd Hatfield will go over the mechanical design of the shaft and rotor and how HECO assembled it all together.

The presentation below discusses:

• Design assessment to see how to fit a larger shaft in the rotor and re-configuration

In part 3 of this case study, Todd Hatfield will be discussing how HECO re-engineered the electrical and mechanical design of the surplus motor to match the 5500HP, 13,200v original motor.

This 13 minute presentation will go over:

• On-site laser measurements using FARO technology
• Determining challenges such as
  • How the spare motor would fit into the existing pit 

For part two of the series, Todd Hatfield will be reviewing the dismantled surplus motor and explaining some of the on-site findings for the 5500HP , 13,200v, Synchronous Motor.

In this video segment, you will see:

• The replacement motor's shorting ring and it's unique placement on the motor
• Data collected on the replacement motor's stator and rotor

The video below is a segment from an hour long presentation given by Todd Hatfield, Senior Electrical Engineer at HECO - All Systems Go, at the 2018 Reliability, Process, and Maintenance (RPM) Symposium.  

This is the first of an 8 part article series that will be coming out twice a week over a 4 week period. Each post will cover different points of the case, leading up to the final assembly and installation. Be sure to check out this article on how Synchronous Motors work before starting the series!

An informatiive video about AC Synchronous Motors

Below is a 5 minute video from an hour long presentation given by Todd Hatfield, Senior Electrical Engineer at HECO - All Systems Go, during the 2018 Reliability, Process, and Maintenance (RPM) Symposium. This clip covers the basis of synchronous motors and how they differ from induction motors.

Managing the Maintenance Repair and Operations (MRO) of any industrial facility can be hectic and challenging.  Due to the fact that controls or guidelines are typically minimal at best, maintenance repairs often result in unnecessary expenditures. 

The most efficient and effective way to control Maintenance Repair and Operations costs is to "anticipate, react and control.”  If your MRO team only reacts and controls, the damage has been done — it’s too late to save money.  You need a better way.  You need a system that enables you to anticipate problems and actually head them off before they occur.

There is no disputing the fact that electric motor management systems is simply the best, most efficient way to manage production-critical motors and match them with the appropriate back-up motor inventory.