Motor Testing
Two Minute Tips
Motor Testing MCA vs Megohmmeter
Traditional Megohmmeter testing will only detect faults to the ground; however, not all motor electrical stator winding failures begin as ground faults. View this quick tip to see if you have the right testing methods…
Five Minute Facts
Common Sources of High-Resistance Connections
Electric motor testing is an excellent tool for identifying resistance unbalance. This instructional presentation will provide the most common locations for electrical connection anomalies...
- Don Donofrio
- The Snell Group
Two Minute Tips
Inductive Imbalance in a Wound Rotor Motor
Testing wound rotor motors can be tricky depending on what and where you are testing. In this quick tip, see what rotor motors are used for and how to perform a test...
- Noah Bethel
- PdMA Corporation
Articles
Hello and Welcome to CBM CONNECT
Welcome to the new home of condition monitoring; CBM CONNECT! The site is designed to provide you with educational articles, videos, and podcasts...
- Jason Tranter
- Mobius Institute
Five Minute Facts
Fault Localization Using Electrical Signature Analysis
When conducting Electrical Signature Analysis on a motor circuit you may find numerous spectral peaks in the FFT. This instructional presentation provides a means to localize the origin of the voltage and current distortions represented in the spectral data...
- Don Donofrio
- The Snell Group
Five Minute Facts
Importance of Checking Amp Probes Prior to Data Collection
In this presentation we will discuss the many different options available when checking amp probes, which include current monitoring, balance loading, FFT…
- Don Donofrio
- The Snell Group
Two Minute Tips
Location, Location, Location
When performing a Power Test, there are many parameters to consider. With proper loading, current imbalance is an ideal leading indicator...
- Noah Bethel
- PdMA Corporation
Interviews
Electric Motor Reliability
In this podcast you’ll learn what it takes to get started in electric motor reliability, common faults, and the biggest impact…
- Noah Bethel
- PdMA Corporation
Two Minute Tips
Evaluation of Wound Rotor Motor with Electrical Signature Analysis
The primary difference between an induction motor and a wound rotor motor is that the rotor has windings, slip rings and a variable resistance in order to vary speed or soft start an application...
- Howard Penrose
- MotorDoc LLC