Technical Articles
ALL-TEST Pro, LLC has published these technical articles:
(Electrical and Electronic Test Equipment)
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De-energized testing is used in our training factory to explain and demonstrate the concepts to College of Engineering students and companies learning how to implement reliability and maintainability...
(Education and Career Services)
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Noise and vibration was investigated on a 7.5 horsepower, 1750 RPM, 575 Vac motor and gearbox using the ALL-TEST PRO™ OL (ATPOL) motor current signature analyzer. One set of data requiring less...
(Test Equipment Maintenance and Repair)
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Easy Tool, a Condition Monitoring Solutions Provider in Italy, works with a paint production facility in Ancona, a city along Italy's Adriatic coast. This paint producer has worked with Easy Tool...
(Electrical and Electronic Test Equipment)
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Proper electric motor preventive maintenance is crucial for ensuring the longevity and optimal performance of your electric motors. By taking a proactive approach, you can avoid costly breakdowns,...
(Test Equipment Maintenance and Repair)
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Identifying and addressing the most common electric motor issues is crucial for maintaining efficient and reliable operations. From overheating to bearing failure, understanding the root causes of...
(Electrical and Electronic Test Equipment)
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Electric motors are the backbone of many manufacturing and processing operations around the world. Keeping these motors in good condition and running efficiently should be the number one priority of...
(Electrical and Electronic Test Equipment)
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When an electric motor fails to start, runs intermittently, runs hot, or continually trips its overcurrent device, there my be a variety of causes, however many technicians and repairmen tend to...
(Electrical and Electronic Test Equipment)
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Frequently, when a process has a high inertial load, a six lead motor will be used as it can be connected in a WYE configuration while starting to limit current, and then switched to a DELTA...
(Electrical and Electronic Test Equipment)
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Voltage unbalance degrades the performance and shortens the life of a three-phase motor. Voltage unbalance at the motor terminals can cause current unbalance that is far out of proportion to the...
(Test Equipment Maintenance and Repair)
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>Without regular maintenance, electric motors are prone to wear and tear. Industries that use machines 24/7/365 creates stress on connections, fuses and bearings. Even new motors can suffer from power...
(Test Equipment Maintenance and Repair)
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At ALL-TEST Pro, we are committed to bringing you the latest information and motor testing knowledge available. The information below contains in-depth tips on how to test an electric motor completely...
(Electrical and Electronic Test Equipment)
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Electrical Signature Analysis (ESA) is an on-line test method where voltage and current waveforms are captured while the motor system is running and then, via a Fast Fourier Transform (FFT), a...
(Test Equipment Maintenance and Repair)
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Electric vehicle (EV) powertrains are much simpler compared to traditional combustion engines. These motors do not require the normal service such as oil changes, spark plug, fuel and oil filter...
(Test Equipment Maintenance and Repair)
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A large majority of rotating equipment rely on Rolling Element Bearings (REB) for continued successful operation. Functionally Rolling Element Bearings carry the load of the shaft, internally position...
(Electrical and Electronic Test Equipment)
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A major automotive manufacturer, located in North America with four manufacturing plants, utilizes MCA™ (Motor Circuit Analysis™) to keep their operations running....
(Electrical and Electronic Test Equipment)
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A work order was issued by a Waste Water Treatment Plant Technician requesting electrical support due to a failed floating agitator. The breaker had tripped and the mixer is a necessary asset in the...
(Electrical and Electronic Test Equipment)
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Regarding electric motor testing, polarization index (PI) is a measure of how much the insulation system resistance improves (or degrades) over time. While the PI Test has been considered the primary...
(Electrical and Electronic Test Equipment)
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This document describes a guideline for evaluating rotating equipment armature and field windings, rated from 1 horsepower (746 Watts) or greater, for winding shorts, phase unbalances and rotor bars....
(Electrical and Electronic Test Equipment)
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A di-electric material is a material which is a poor conductor of electricity but an efficient supporter of an electrostatic field. When an electrical insulating material is subjected to an...
(Electrical and Electronic Test Equipment)
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One nuclear power generating facility, located in the Northeastern United States, relies on four vertical service water pumps to feed water to a heat exchanger which cools the sealed ultrapure...
(Electrical and Electronic Test Equipment)
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Electrical Signature Analysis (ESA) is a predictive maintenance (PdM) technology that uses the motor’s supply voltage and operating current to identify existing and developing faults in the...
(Electrical and Electronic Test Equipment)
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After working for over 32 years in Electrified Vehicle technology, I have experienced most areas in the automotive development and engineering space. These experiences have transitioned from service...
(Electrical and Electronic Test Equipment)
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It is well known that rotating machinery exhibit specific characteristics when faults cause the geometric centerline of the shaft to periodically move. For more than 70 years, Machinery Vibration...
(Electrical and Electronic Test Equipment)
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Electrical Signature Analysis (ESA) is a predictive maintenance (PdM) technology that uses the motor's supply voltage and operating current to identify existing and developing faults in the entire...
(Electrical and Electronic Test Equipment)
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A motor distributor in the Netherlands provided a 17 Kilowatt, 400-Volt motor to a local hospital in 2015. The hospital rented a portable crane to install the motor onto the roof of the building. The...
(Electrical and Electronic Test Equipment)
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A 398 KW MV motor that runs a blower fan in a cement plant was showing strange behavior. The vibration equipment indicated vibration amplitudes that became chronic with the passage of time. The...
(Electrical and Electronic Test Equipment)
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Ethanol has been a clean-burning fuel used in the United States since the 1850s. Ford’s Model T automobile was designed to run on ethanol, and while ethanol was banned during the Prohibition...
(Electrical and Electronic Test Equipment)
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Easy Tool is an Italian Condition Monitoring Solutions Provider with service and support representatives in Italy. Easy Tool, located in the town of Fabriano, in the province of Ancona, represents...