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
Ron Widup
Shermco IndustriesNFPA 70E and NETA
Electrical and Thermal Burns: Why Is This an Important Topic in NFPA 70E?
Michael Labeit
249th Engineer Battalion, U.S. Army Corps of Engineers
In the FieldUsing Thermographic Surveys to Monitor Condition
Steven Turner
Arizona Public Service Company
Relay ColumnEvent Analysis: Overall Differential Tripping
Paul Chamberlain
American Electrical Testing Co. LLCSafety Corner
Rotating Machinery Hazard Awareness
NETA technicians are encouraged to share their stories via our “In the Field column, which explores real-world examples and challenges faced by the electrical testing industry today. Submit your stories by clicking below or learn more about how to submit additional articles.
In the Field column
LEARN MORE ABOUT SUBMITTING
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 ...
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 ...
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 ...
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 ...