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…
Power and Power Factor Articles: Instantaneous Power Formula: Instantaneous Power Formula – In a purely resistive circuit, all the energy delivered by the source is dissipated in the form of…
Alternating Currents and Voltages Articles: The Sine Wave: Many a time, alternating voltages and currents are represented by a sinusoidal wave, or simply a sinusoid. It is a very common…
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)…
Theory of PN Junction Diodes Articles: Diode Failure Modes and Causes: We would certainly like for solid-state components to be 100% reliable but this is unfortunately not true. All solid-state…
Semiconductor Physics Articles: Elemental Semiconductor Materials: Group IV includes five elements viz., Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn) and lead (Pb). The elements of this subgroup show marked…
Rectifiers Articles: What is Surge Current? – Definition and Workings: Before switching on of power supply, the filter capacitor is uncharged . At the instant the power supply is switched…
Pulse Signals Articles: Classification of Pulse Signals: The Classification of Pulse Signals are divided into four categories, namely Periodic signals. Aperiodic signals. Random signals. Continuous and Discrete Signals 1. Periodic…