To prevent negative effects on the operation of the power system and equipment, a number of factors must be considered…
Even though most protective system designs are built around individual components, system-wide disturbances in power systems are rather a frequent…
Power quality may be affected by a number of issues. Our discussion in this article focuses on various devices and…
Power quality has become an important issue to electricity consumers at all levels of consumption. This has especially been intensified…
One of the key challenges in measuring the electrical current in high voltage, high power transmission lines, is that of…
This category of AC drives that is often referred to as “Variable Frequency Inverters” is one of the most extensively…
DC to DC power converters also referred to as choppers provide the means to change one DC voltage to another.…
Grounding or earthing an electrical system is the process of connecting all metalwork/frame of electrical equipment i.e. the non-current carrying…
Switchgear generally refers to the switching devices and their combinations, with the related control, measuring, protective and regulating equipment. The…
Air-blast circuit breakers utilize a blast of compressed air typically at a pressure of 25–75 bar, which is directed across…
