After almost 25 years of service, the generator and transformer protection systems at the hydropower plant of a western U.S. dam and reservoir were upgraded, including the replacement of ...

After almost 25 years of service, the generator and transformer protection systems at the hydropower plant of a western U.S. dam and reservoir were upgraded, including the replacement of ...

Schweitzer Engineering Laboratories, Inc. (SEL) has announced wide-area-measurement-based control in a transformer relay for the first time. This enhancement to the SEL-487E Transformer Protection ...

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...

Integrated Power Services has agreed to acquire ABB’s Canadian and US hydro generator and transformer repair businesses. No financial terms were released for the deal, which is expected to close in Q2 ...

Eaton has announced the launch of a new range of power protection relays which it says are ideally suited for use in its medium voltage (MV) switchgear. The diversified industrial manufacturer has ...

Flammable insulating fluids and electrical faults pose significant fire and explosion risks to transformers. These hazards can result in catastrophic damage, disrupt business continuity, and cause ...

Art. 450 begins with the short and to-the-point statement, “This article covers the installation of all transformers,” and then lists eight exceptions. In essence, Art. 450 covers power transformers, ...