Consideration of appropriate safety criteria (usually an allowable shock voltage) is required for all electrical assets that form part...

Unlike cooling-fan or pump noise, the sound radiated from a transformer is tonal in nature, consisting of even harmonics of the power...

Current transformers are used for protection, instrumentation, metering and control. It is only the first function that has any bearing...

Distance functions have been in use for many years and have progressed from the original electromechanical types through analogue types...

Siemens invented the voltage regulator in 1932 and pioneered its use in the United States...

In any medium or low voltage three-phase system, there are three single-phase voltages that are measured between each phase and...

The principal elements of an electric power system are the generating stations, the transmission lines, the substations...

Welcome to this course on Basic Electrical Technology. Engineering students of almost all disciplines has to undergo this course…

The purpose of the electric transmission system is the interconnection of the electric energy-producing power plants or generating...

The following prescriptions are aimed at ensuring that the protective measures required are taken when the assembly is installed...

Installation of protection relays at the site creates a number of possibilities for errors in the implementation of the scheme to occur...

Generally speaking, automation is the use of control systems such as numerical control, programmable logic control, and other industrial...

The electric vehicle market is very near the light-off point for which consumers and investors alike have been waiting. With a 2017 global..

There are multiple elements that make up a switchboard. Included in the list of elements are a frame, buses, overcurrent protective...

Allowing user access during normal operation is an enormous responsibility which, in the case of interlocking devices,..

A world without electric motors is difficult to imagine. From the tiniest motor found in a quartz watch to a million-plus horsepower motor..

Photovoltaic (PV) deployment system refers to the installation and use of solar panels or solar cell systems to generate electricity from…

The weight of cables connected to bushings in transformers can contribute to the cracking or leaking of the bushings...

Poor grounding not only causes unnecessary downtime, but it is also dangerous and increases the risk of equipment failure...

SIPROTEC protection relays are a family of intelligent electronic devices used to protect and control power systems in various application..

Whether in an industrial or utility application, power transformers are among the most critical assets of any power system...