AC Excitation System - Block diagram and Working Principle: This AC Excitation system consists of an alternator and thyristor rectifier bridge directly connected to the main alternator shaft. The main…
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…
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…
Current Graded Overcurrent Protection: An alternative to time grading or in addition to time grading, current graded overcurrent protection can be applied when the impedance between two substations is sufficient.…
Directional Overcurrent Protection Principle: For the main bus-bars in the power stations, due to their importance in the operating conditions, it is required that the disconnection be without any delay…
Sinusoidal Oscillators Articles: What is Oscillator? – Types of Oscillators: An oscillator is the basic element of all ac signal sources and generates sinusoidal signals of known frequency and amplitude.…
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…
Electrical Power Engineering Articles: This Electrical Power Engineering Articles which includes the following topics: Refrigeration Cycle Diagram Explain Vapour Compression Refrigeration System Explain Vapour Absorption Refrigeration System Thermoelectric Refrigeration System…