by Dominique | Oct 19, 2021 | Substation Testing, Transformer Testing
The Winding Analyzer 2293 is an automatic winding resistance analyzer optimized to perform routine and maintenance tests on three phase power and distribution transformers. The 2293 can perform both winding resistance and transformer turns ratio (TTR) tests without...
by Dominique | Apr 15, 2021 | Transformer Testing
With the increasing emergence of green energy from wind and solar power, the center of gravity within the transformer industry has been slowly shifting from large power transformers to distribution transformers. Simultaneously regulatory bodies, such as the Department...
by Dominique | Jan 28, 2021 | Substation Testing, Tan Delta / Power Factor Testing, Transformer Testing
A large percentage of electrical apparatus failures are due to the deteriorated condition of the insulation. Many of these failures can be anticipated by conducting routine testing and timely maintenance. Changes in the normal capacitance of insulation indicate...
by Dominique | Jun 17, 2020 | Transformer Testing
A valuable tool for transformer diagnostics is sweep frequency response analysis (SFRA), which consists of measuring the impedance of transformer windings over a wide range of frequencies. Faults, which change either the winding capacitances or the winding...
by Dominique | Apr 29, 2020 | Substation Testing, Transformer Testing
Winding resistance measurements taken on transformers are essential for type, routine, and field testing. The measurements provide information of conductor losses, winding temperature at the end of a temperature test cycle, and provide a simple diagnostic tool for...
by Dominique | Apr 13, 2020 | Transformer Testing
Throughout the world regulatory bodies are focusing more and more on promoting energy-efficient distribution transformers that are to be used in the energy transmission and distribution network. According to the analysis conducted by the Superefficient Equipment and...
