The 6 Best Motor Testing Instruments for 2023
all-test-pro
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If you’re a technician or electrician operating within automotive, wastewater, power generation or any other industry with electric motors, you need the highest-quality portable diagnostic equipment with you. Motor testing is critical to avoid failure and costly downtime. You can only rely on a traditional Megohmmeter or one [...]
Electrical Test Equipment Safety
Heather Scully
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Safety should always be the number one priority with electricity. With only 25% of surveyed electrical workers saying their company provided adequate safety training, the safe use of electrical test equipment is vital to improving safety on the job. Electrical Safety, Efficiency & Accuracy When it comes to electrical [...]
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 [...]