The costliest piece of equipment in a substation is the Power Transformer. Therefore, a good maintenance program is required to keep these power transformers operating reliable. Over the past few ...

Out-of-step protection is a critical component of modern power system protection schemes—its importance has grown ...

Electrica signature analysis (ESA) uses the magnetic field in the air gap of an electrical machine to evaluate power quality conditions. Dry and oil transofrmer types are subject to problems ...

BRISTOL, PA — TESCO® Metering has unveiled the Knopp Automated Voltage Transformer Testing System (KVTS), an advanced solution engineered to meet the growing demands of the utility industry. This ...

Keywords: Earthquake engineering, Power Transformers, Seismic Protection, Base Isolation, Bushings Protection, Friction Pendulum Isolation, Rubber Bearing Isolation, Shake Table Experiments, Design ...

Mitsubishi Electric, one of the world's leading manufacturers of large-scale electrical and HVAC systems has admitted to fraudulently conducting quality assurance tests on its transformers—for decades ...

Planar transformers and inductors for high-frequency converters differ radically from conventional magnetics in that they do not use magnet wire. Instead, windings are copper-foil lead frames or flat ...