rotor

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Two Minute Tips
  • Motor Testing

Rotor Evaluation Using MCEMAX®: Pole-Pass Frequency (Fp)

Rotor bars on the rotor of a squirrel cage induction motor act as a shorting mechanism to the magnetic flux emitted from the steel rotor laminations...

Two Minute Tips
  • Motor Testing

Rotor Evaluation Using MCEMAX® – Fp Frequency

Pole-pass frequency (Fp) sideband evaluation is one of the more established methods of rotor evaluation utilizing the current signature analysis test...

Two Minute Tips
  • Motor Testing

Rotor Evaluation Using MCEMAX® – The 5th Harmonic

Six independent methods of rotor evaluation can be used from the MCEMAX technology to analyze the condition of a squirrel cage AC induction motor...

Articles
  • Motor Testing

Large Electric Motor Reliability: What Did the Studies Really Say?

One of the most frequently quoted studies related to electric motor reliability is a 1983 Electric Power Research Institute (EPRI) project performed by General Electric...

Two Minute Tips
  • Motor Testing

Performing a Demodulation of the Current Signal – Rotor Evaluation

Previously hidden in the noise platform of the current spectrum, now peaks related to belts, gears, fans and other machine train components can be easily identified and band alarmed...

Two Minute Tips
Rotor Influence Check (RIC) | CBM CONNECT
  • Motor Testing

What is the Rotor Influence Check (RIC)?

Six independent methods of rotor evaluation can be used from the MCEMAX technology to analyze the condition of a squirrel cage AC induction motor...

Case Studies and Stories
  • Motor Testing

Deep Below the Earth’s Surface In A South African Platinum Mine

The motor is used to lower the water table in a Platinum Mine in South Africa. If the motor fails, the water table would rise and end production...

10 Minute Talk
Wound rotor motor faults
  • Motor Testing

Wound Rotor Motor Fault

Wound rotor motors, theoretically they are the same as far as induction. The access to the motor is significantly increased with round rotor motors and it allows an interesting trouble shooting approach.

Five Minute Facts
  • Motor Testing

Rotor Casting Voids

Casting voids do exist, however it wasn't until the late 1980's when we started to notice these with new technology...

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