WS7: 1/2 Day Electrical Reliability Workshop

Noah Bethel, Vice President of Product Development, PdMA Corporation


  • Motor Failure Summary 
  • Predictive vs. Reactive Motor Maintenance 
  • Case Study:  Maximizing Return on Investment 
  • NFPA 70E and Electric Motor Testing – How can you test safely? 
  • Fault Zone Analysis: 
  • Power Quality 
  • Power Circuit 
  • Insulation 
  • Stator 
  • Rotor 
  • Air Gap 
  • Case Study:  VFD problem or motor? 
  • Case Study:  Persistent Drive Failure on 400 HP Baghouse Fan 
  • Case Study:  Predicted Rotor Bar Save! 
  • Online vs. Offline Testing 
  • MCEGold:  Communicating Motor Reliability to Management 
  • Review 


1. Motor Life Expectancy
2. Critical Tests to Ensure A Healthy Start
3. Necessary Quality Control for a Reliable Motor
4. Broad Benefits of In-Rush/Start-Up testing


Noah has over twenty-five years of broad operations and electrical systems maintenance experience in industrial, commercial, and military settings ranging from nuclear submarines to world class amusement parks. His experience includes high and low voltage, AC and DC, power generation, power distribution, motors, and motor controllers. Noah is currently in charge of product development for new and existing PdM technology at PdMA Corporation.

Noah is a graduate of the University of the State of New York and the Naval Nuclear Power School and Training Unit. He is a Certified Maintenance Reliability Professional, with field experience in motor circuit analysis, current signature, power analysis, thermography, vibration analysis, oil analysis and ultrasonic testing.