DC Excitation System Working Principle: In dc excitation system, the system has two exciters—the main exciter (a separately excited dc generator providing the field current to the alternator) and a…
What is Harmonic Suppressor? Harmonic suppressor is an iron-cored reactor and is used in the neutral ground connection of a generator so that third harmonic currents are reduced to safe…
Sphere Gap Arrester Diagram: In such a sphere gap arrester device the air gap is provided by two similar spheres—one connected to the line and another grounded. The spacing between…
Merz Hunter Split Conductor Protection of Feeders: This Merz Hunter Split Conductor Protection of Feeders system is another method of securing the benefits of a balanced method of protection without…
Frame Leakage Protection of Busbar or Fault Bus Protection: Frame Leakage Protection of Busbar or Fault Bus Protection is one of the most simple form of protection and is applicable…
Circuit Breakers Articles: Circuit Breakers Definition: A circuit breaker can make or break a circuit either manually or automatically under all conditions viz., no-load, full-load and short-circuit conditions. This characteristic…
Coupled Circuit Articles: Coupled Circuits Definition: Two circuits are said to be ‘coupled’ when energy transfer takes place from one circuit to the other when one of the circuits is…
Magnetic Circuits and Induction Articles: Magnetic Field Equation: The exact description of the Magnetic Field Equation Basics is given by the Maxwell’s equations and the constitutive relationship of the medium…