Motor Testing

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Prevent Motor Failure by Keeping Your Motors Clean

One of the easiest ways to prevent premature electric motor failure is to keep your motors clean and free of foreign contaminates. Many electric motors are fan cooled. When contaminates start to build up around the motor, air flow becomes restricted and reduces the ability for the fan to cool the motor which dramatically reduces the life the of winding’s insulation due to the increase in heat.

Case Studies and Stories
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Elevator Motor Case Study: Worm Gear

This case study comes from a geared elevator, specifically from a worm gear located on the 17th floor of a building in NYC. One challenge is figuring out the ratios, because I need to know the details of the gearbox to provide an accurate analysis. With a worm gear…

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Crossword: Motor Testing

  • Alynn Kayatta
  • Mobius Institute
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  • Motor Testing

Introducing the Electric Motor System and Electrical Signature Analysis

Howard Penrose gives a brief introduction of the electrical motor system and the variety of monitoring techniques included under Electrical Signature Analysis (ESA): current signature analysis, motor current signature analysis, power signature analysis, and voltage signature analysis…

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Easy Motor Testing Procedures

Professionals in the industries of manufacturing, power generation and water rely on electric motors to complete their objectives. To remain efficient, it is essential that motor-based systems stay in peak operating condition. A sudden motor failure can occur when you least expect it, so understanding procedures for fast motor testing will help you maximize uptime.

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Stator Inter-Turn Stress with Electrical Signature Analysis in Variable Frequency Drive Applications

Incorrect settings in a Variable Frequency Drive (VFD) application have an impact on the windings of an electric motor. When a drive is not set correctly, or not tuned when not using straight volts/hertz settings, stresses occur between the turns in a winding. In some cases, this will appear as small Partial Discharges (PD), and in others it can be increased leakage between turns. When these conditions occur, they introduce small current discharges that effect the air gap magnetic field of the motor.

Five Minute Facts
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Developing a Successful Motor Maintenance Program – Part 2

What makes your electric motor maintenance program a winner? Answer: A Trending Data program along with Troubleshooting and Quality Control. Watch this video to see how one part of the program, Trending, helps you reach your goal of a winning program in your facility.

Two Minute Tips
  • Motor Testing

Beginner’s Guide To Motor Testing

Motors when installed play a critical role in many manufacturing efforts. Businesses in all industries rely on machines to drive profits, so testing these motors ensures your investments are available for demanding tasks.

Five Minute Facts
  • Motor Testing

Developing a Successful Motor Maintenance Program – Part 1

What makes your electric motor maintenance program a winner? Answer: A good Quality Control program from cradle to grave along with Trending Data and Troubleshooting. Watch this video to see how one part of the program, Quality Control, helps you reach your goal of a winning program in your facility.

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