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
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
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...
- Noah Bethel
- PdMA Corporation
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...
- Noah Bethel
- PdMA Corporation
Motor & Generator Storage
Electrical machine (motors & generators) storage will affect the life of the equipment...
Voltage Variation in AC Electric Motors
I’ve seen different variations of voltage testing on AC induction motors; however, the motor only really cares about the phase-to-phase voltage...
- Howard Penrose
- MotorDoc LLC
Current Unbalance in AC Electric Motors
Is there a standard for current unbalance in AC motors...
- Howard Penrose
- MotorDoc LLC
Soft Foot
In electric motors, soft foot distorts the frame, which in turn can distort the stator magnetic field...
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...
- Howard Penrose
- MotorDoc LLC