Motor Testing
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
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
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
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
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
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
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
Power Circuit: What and Why?
The power circuit provides the avenue or path that allows your supply voltage to reach the motor. The power circuit comprises all the cabling, connectors, switches...
- Noah Bethel
- PdMA Corporation
Predictive Maintenance Team Saves Steel Mill Time and Money with Thorough Motor Testing
The steel mill’s in-house predictive maintenance team inspects the overhead cranes on a quarterly basis. When the predictive maintenance team was alerted...
- Richard Scott
- ALL-TEST PRO