by Michelle Osborne | Apr 10, 2026 | Insulation Testing, Transformer Testing, Uncategorized
When high voltage equipment fails, it rarely does so without warning. Transformers, bushings, and cables don’t just collapse overnight; they drift. Quietly. Gradually. A little moisture. A bit of contamination. Aging insulation is doing what time always asks of it....
by Michelle Osborne | Oct 13, 2025 | HV, Instrument Transformer Testing, Transformer Testing
Transformers serve as critical components in electrical power systems, and their operational integrity is essential for maintaining uninterrupted service across residential, commercial, and industrial sectors. Failures in transformer units can result in significant...
by Michelle Osborne | Aug 12, 2025 | Instrument Transformer Testing, Transformer Testing
Haefely’s WA 2293 is an advanced automatic winding analyzer designed for comprehensive testing of power and distribution transformers. One of the available measurement applications that can be included with the WA 2293 allows operators to perform transformer turns...
by Michelle Osborne | Mar 17, 2023 | Instrument Transformer Testing, Transformer Testing
The large photovoltaic plants where solar power begins require transformers to step up the voltage for distribution once the DC voltage coming out of the photovoltaic systems has been converted to AC voltage. As the U.S. plans to add 54.5 gigawatts of new...
by Michelle Osborne | Dec 1, 2022 | Instrument Transformer Testing, Transformer Testing
In the world of electrical measurements, instrument transformers are indispensable equipment that forms the foundation for many critical devices that fall under the category generally known as instruments such as voltmeters, ammeters, watt-meters, protection relays,...
by Dominique | Dec 23, 2021 | Substation Testing, Tan Delta / Power Factor Testing, Transformer Testing
The MIDAS micro 2883 is a revolutionary Power Factor / Dissipation Factor, and Capacitance tester used to test the insulation of high-voltage components. This compact and portable device quickly evaluates the losses of electrical insulation in: Power transformers...
