Motor Testing
Magnetostriction: The Reason for 100Hz or 120Hz Vibration in Electric Motors
Whenever a magnetic object or ferrous object is subjected to a magnetic field, it reacts to the forces. This phenomenon is called magnetostriction.
- Wael Salman
- Dietsmann France
A Forensic Review of Going Green – The Todd and Noah Show
In this episode, Todd and Noah deep dives into the pros, the cons, and real case studies of what "going green" in your facility can do.
- Todd Gunderson Noah Bethel
- PdMA Corporation
Power Quality Fault Zone Tips – The Todd and Noah Show
In this episode, Todd and Noah discuss more case studies from the field, this time focusing on power quality fault zone tips.
- Todd Gunderson Noah Bethel
- PdMA Corporation
Machine Train Case Studies – Todd and Noah Show
In this episode, Todd and Noah discuss more case studies from the field, this time focusing on machine train anomalies.
- Todd Gunderson Noah Bethel
- PdMA Corporation
Case Studies From the Field – Todd and Noah Show
Todd and Noah use their latest set of case studies to talk about the benefits of comparison data, the link between water and corrosion and the question of, “Is it the motor or the drive?”
- Todd Gunderson Noah Bethel
- PdMA Corporation
Good, Better, Best Approach to Electric Motor Testing
Global competition and economic uncertainty make equipment reliability a top priority for companies of all sizes. An unplanned slowdown or shutdown in today's marketplace can reduce a company’s productivity and lower their profitability. One industry segment where this issue is on the rise is electric motor testing, as it is essential in improving reliability and maximizing productivity.
- Noah Bethel
- PdMA Corporation
Insulation Tips – Todd and Noah Show
In this episode, Todd and Noah explore how condensation and moisture affects insulation, what an IRP is, temperature vs. embrittlement, and more!
- Todd Gunderson Noah Bethel
- PdMA Corporation
Electric Machine Rotor Bar: Real or False Positive? A Case Study
Vibration, electrical and current signature analysis are technologies that can provide a great deal of information on the condition of our electric machines. In this case study an 1800 RPM, 715 RPM, 4000-volt vertical electric motor originally was operated across-the-line as shown in Figure 1...
- Howard Penrose
- MotorDoc LLC
Join Us at Reliable Plant Conference 2025!
The Reliable Plant Conference & Exhibition, co-located with the Machinery Lubrication Conference & Exhibition, is a 4-day event dedicated to the latest trends and tactics in maintenance and reliability. With expert-led learning sessions, access to cutting-edge tools and technologies offered by over 100 exhibitors, and powerful networking experiences, this is a can’t-miss event for anyone looking to transform their maintenance strategy.
- Noria Corporation