The Impact of Voltage Unbalance
Heather Scully
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If you are using three-phase systems, you should be aware of unbalanced voltages, one of the most common electrical power issues for industrial plants. The chances of your plant having imbalances is high when you do not have measures in place to prevent them. Catching imbalances before [...]
ALL-TEST Pro Article Featured in Pumps & Systems April 2022 Issue
Heather Scully
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ALL-TEST Pro’s William Kruger was recently featured in the April 2022 issue of Pumps & Systems with article “Improve Variable Frequency Drive Troubleshooting”. Kruger details how Deenergized and Energized motor testing and techniques used to spark a VFD’s performance. By incorporating MCA™ and ESA into the VFD [...]
How to Completely Test 3-Phase AC Induction Motors Using Deenergized Motor Testing
Heather Scully
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People often test alternating current induction motors with methods that don’t accurately assess the whole picture. Inadequate testing can lead to premature equipment replacement, poor cost analyses and other negative outcomes. Deenergized motor testing with motor circuit analysis can make testing more accurate, actionable and straightforward. This article will [...]
Improve VFD Troubleshooting with Deenergized and Energized Motor Testing
Heather Scully
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Improvements in Variable Frequency Drive (VFD) technology have resulted in lower costs, improved reliability, and more importantly increased use. Most modern VFD system have internal diagnostics that create automatic shutdown on faults. However, the cause of these faults can sometimes be elusive to locate and correct. However [...]
Motor Acceptance Testing
Heather Scully
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Motor acceptance testing is a critical part of many preventive maintenance programs and can be key to catching electrical problems before they cause considerable downtime. With more than 35 years of motor testing experience ALL TEST PRO® has determined that 25 to 30% of new or newly [...]
Improving Electrical Reliability by Implementing Motor Circuit Analysis
Heather Scully
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When you want to determine the health of your motor, Motor Circuit Analysis (MCA™) is a preferred choice in any industry. This deenergized motor testing method allows you to gauge the entire health of your motor, transformer, generator, and other coil-based equipment in just a few minutes. [...]
Electrical Insulation Failure
Heather Scully
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Electrical Insulation is used to direct current through a desired path and prevent it from flowing where it is not desired. Proper electrical insulation is critical to an electric motor’s performance and longevity. Insulation breakdown is one of the most frequent causes of electric motor failure. In [...]
How to Check Motor Winding Resistance on Single & Three-Phase Motors
Heather Scully
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For a quick review on this topic, please click this link. We cover Groundwall Insulation testing, how to test your windings for connection issues including open & shorts. What Is a Motor Winding Resistance Test? Testing windings on a 3 phase motor is very easy with Motor Circuit Analysis™ (MCA™). Winding resistance [...]
ALL-TEST Pro Article Featured in Electric & Hybrid March 2021 Issue
Heather Scully
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ALL-TEST Pro’s article on EV Reliability and Maintenance was recently featured in the March 2021 issue of Electric & Hybrid Magazine. See how the AT33 EV™ can analyze the condition of electric vehicle motors by performing an innovative test that provides quick and precise diagnostic results. [...]
ALL-TEST Pro Article Featured in Pumps & Systems February Issue
all-test-pro
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ALL-TEST Pro’s article on Electrical Signature Analysis in Vertical Condensate Pumps was recently featured in the February 2021 issue of Pumps & Systems. See how flow-related resonance was identified as an issue at a commercial nuclear power plant. [...]
