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  • Motor Testing
  • Vibration Analysis

The Scope and Application of Electrical Signature Analysis in Windpower

Electrical Signature Analysis (ESA) was initially developed at Oak Ridge National Labs (ORNL) in the 1980s as a method for evaluating bearings and gears in motor operated valves in the nuclear power industry. In 1992, the technology was licensed into general industry for applications in utilities and commercial applications...

Two Minute Tips
  • Motor Testing

Evaluation of Wound Rotor Motor with Electrical Signature Analysis

The primary difference between an induction motor and a wound rotor motor is that the rotor has windings, slip rings and a variable resistance in order to vary speed or soft start an application...

Interviews
Your IoT Devices May Be Weaponized with Howard Penrose
  • Condition Monitoring Management & AI

Your IoT Devices May Be Weaponized; What to Do About It

In this interview, Howard discusses one of his passions - cyber security, and the ongoing weaponizing of IoT...

Articles
  • Motor Testing

The Application of Modern Medium Voltage Variable Frequency Drives

Pumps, fans, and compressors account for over 60% of loads in industrial and processing industries, while medium voltage motors over 200 horsepower account for 1% of the motor population and 45% of electric motor energy consumption...

Articles
  • Motor Testing

Forensic Analysis of Electric Machines

A tremendous amount of time, productivity and production can be lost using improper troubleshooting and evaluation techniques...

Articles
  • Motor Testing

The Importance Behind The Addition of Annex D In IEEE Standard 43-2013

The standards working group behind the present edition of IEEE Std 43 made significant changes in the overall standard, including modifications to temperature normalization to 40°C. This was done to accommodate the many changes and observations in insulation chemistry and combinations over the past decades...

Articles
Applications for Motor Current Signature Analysis
  • Motor Testing

Applications for Motor Current Signature Analysis

The fundamental purpose behind the original development of MCSA technology was the detection of rotor bar faults. Rotor bars are difficult to assess using traditional test methods, including vibration analysis...

Articles
Motor Electrical Evaluation Using Motor Circuit Analysis | CBM CONNECT
  • Motor Testing

Direct Current Motor Electrical Evaluation Using Motor Circuit Analysis

Direct Current electric motors operate under a basic principle of electricity: interaction between two magnetic fields positioned at an angle from each other will attract/repel resulting in movement...

Two Minute Tips
  • Motor Testing

Multi-Technology Approach to Motor Diagnostics

One example is your vibration technician suspects a possible rotor problem in a critical application, but the cost to replace means a shutdown of production...

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