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…
Carrier Current Protection of Transmission Lines: In modern high-power electrical systems it is necessary to have quick acting protections on long transmission lines. The requirements to be met by such…
Polyphase Circuits Articles: Polyphase System: In an ac system it is possible to connect two or more number of individual circuits to a common polyphase source. Though it is possible…
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…
Power from Renewable Energy Articles: Hydel Power Plant – Definition, Working Principle and Advantages: Power of water – Hydel Power Plant is a clean and cheap source of energy. The…
Coal Based Thermal Power Plants Articles: Rankine Cycle (Simple Steam Power Cycle): Rankine cycle is the theoretical cycle on which the steam turbine (engine) works. Boiler Refer the process (4)…
FET Transistor Articles: Junction Field Effect Transistor (JFET) – Construction, Symbols and Operation: Depending upon the majority charge carriers, Junction Field Effect Transistor (JFET) have been classified into two types,…
Feedback Amplifiers Articles: Voltage Amplifier – Definition and Equivalent Circuit: Voltage amplifiers are intended to amplify an input voltage signal and provide an output voltage signal. The voltage amplifiers is…