Two Minute Tips
The Heat Is On!
As summer nears, thoughts of extreme heat and humidity start to enter our minds. Heat and humidity are not friends of the electric motor…
- Noah Bethel
- PdMA Corporation
Failure to Launch
Starting a motor across the line can generate 7-10 times (or more) the normal full load amps and create extreme torque stress on the shaft line components. In addition to these normal stresses on the electrical and mechanical elements of the motor, protection systems like overload...
- Noah Bethel
- PdMA Corporation
Failure to Start? What’s Next?
If your motor fails to start, what actions do you immediately take? There are a variety of possibilities and questions that come to mind to help you in the right direction ...
- Noah Bethel
- PdMA Corporation
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…
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
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
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
Power Quality: What and Why?
Voltage quality can be degraded in several ways. You can have high or low voltage in reference to the motor nameplate, including transient spikes of voltage...
- Noah Bethel
- PdMA Corporation