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 ...

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 ...

Whenever a power or distribution transformer is isolated from the power system, it is probable that residual magnetism remains in the core due to the phase shift. However, residual magnetism also ...

Transformers are critical components in a power system. They facilitate the efficient flow of electricity through a nationwide network of transmission and distribution systems. As NETA-certified ...

Motors and transformers are some of the most reliable pieces of equipment installed at power plants. However, inadequate maintenance can result in trouble. While regular testing and skilled evaluation ...

Flyback transformers are designed with all types of cores. Ferrite cores have several advantages such as ease of winding on a bobbin with integral terminal pins, better options for winding design ...