motortesting

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Five Minute Facts
Calculating Eccentricity Frequencies
  • Motor Testing

Calculating Eccentricity Frequencies

Eccentricity Frequencies, as related to electric motors, simply means that the rotor is not radially or axially centered in the stator magnetic field. This instructional video demonstrates how to calculate these frequencies..

Two Minute Tips
Determining the Number of Poles and RPM - The Snell Group | CBM CONNECT
  • Motor Testing

Determining the Number of Poles and RPM

Give me the number of poles and I can tell you the RPM; give me the RPM and I can tell you the number of poles. This instructional presentation discusses the formulas related to determining theses values...

Five Minute Facts
  • Motor Testing

Rotor Bar Fault Progression with Load

Rotor bar anomalies are difficult to identify and when they are identified the available data can be confusing and misinterpreted. This instructional presentation describes what effects load will have on spectral data associated with rotor bar anomalies.

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