Featured Stories
What Does Insulation Thermal Class Mean for Electrical Machines?
How hot is too hot? Motors and transformers have maximum operating conditions, but can I exceed those ratings on occasion and…
Kevin Alewine, Shermco Industries
Electromagnetic Imperfection Measurements for Stator Core Condition Assessment
The stator core of a rotating machine is composed of multiple stacked layers to minimize eddy current losses. A short between…
Fabian Oettl, OMICRON Technologies Italia, GmbH, and Mathieu Lachance, OMICRON electronics Canada
New Method to Inspect Motor/Generator Windings for Electrical Integrity
Measuring the winding resistance of generators and motors is one of the essential tests used in factory acceptance testing and during…
Edis Osmanbasic, DV Power, Sweden, and Normen Kaemena, Siemens Gamesa, Germany
Columnists
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Industry Topics
Predictive Motor Maintenance: Static, Dynamic, and On-Line Testing
This article reviews current electrical testing methods and trends in the operational health of electric motors in the context of successful predictive maintenance programs. It explains the concepts of static motor testing — testing a motor that is not running ...
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CORPORATE ALLIANCE CORNER
Advancements in the Industry: Acceptance and Maintenance Testing for Medium-Voltage Electrical Power Cables — Part 2 of 3
In Part 1 of our three-part series on acceptance and maintenance testing for medium voltage electrical power cables, we reviewed ...
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Specs & Standards
ANSI/NETA Standards Update
ANSI/NETA MTS–2019 REVISION IN PROCESS A standards revision is in process for ANSI/NETA–2019, Standard for Maintenance Testing Specifications for Electrical Power Equipment and Systems, to be released in the Spring of 2023. The recirculation ballot and public comment period ended ...
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INsights & Inspiration
Steve Newton: Learn and Pay It Forward
STEVE NEWTON Steve Newton, National Training Center Training Program Manager at National Field Service, is a great example of a ...
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