frequency
White Papers
Modern Vibration Analysis Technology Applied to the Four Stages of Bearing Failure
Within the vibration community, it is commonly accepted to describe a spalling process in a bearing in four stages; from the first microscopic sign to a severely damaged bearing...
- Ron Kittle
- SPM Instrument Inc
Webinars
The Trifecta of Electric Motor Reliability
Listen to the recorded version now! This webinar presents the trifecta of motor maintenance focusing on the three reliability strategies for electric motor testing and the order they should be applied...
- Noah Bethel
- PdMA Corporation
Articles
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...
- Howard Penrose
- MotorDoc LLC
Two Minute Tips
CM Basics: Calculating F-MAX
F-Max or Frequency Max is the maximum frequency range used when capturing data. In less than 50 seconds learn the math equation and information you need to properly calculate your F-Max.
- Brian Shanovich
- ACOEM
Two Minute Tips
Rotor Evaluation Using MCEMAX®: In/Rush-Start/Up
The start-up of a motor is a stressful event. High current, rapid temperature rise and mechanical stress all create a perfect environment to evaluate the health of your rotor and expose any hidden anomalies...
- Noah Bethel
- PdMA Corporation
Two Minute Tips
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...
- Noah Bethel
- PdMA Corporation
White Papers
Maintenance Inspection Windows on Transformers
Transformers are everywhere feeding various voltages into our homes and businesses. When a transformer fails in a commercial or industrial environment, that failure can disrupt a significant portion of your facility operations...
- Rudy Wodrich
- IRISS
Two Minute Tips
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...
- Noah Bethel
- PdMA Corporation
Two Minute Tips
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...
- Noah Bethel
- PdMA Corporation
