Basic Elements of Static Relay: The basic elements of a static relay are namely, Input Element: Mixing circuits are needed to sum the input signals in a convenient form. Semiconductor circuits are suited to the…
Diesel Engine Power Plant - Layout, Types and Applications: Introduction: Diesel engine power plant (prime mover is a diesel engine) are installed where supply of coal and water is not available in sufficient quantity. These…
Basic Design of Arc Extinction Chamber: The considerations for design for the Arc Extinction chamber used in oil circuit breakers and air-blast circuit breakers would naturally be different. As far as the oil circuit breakers…
Difference Between Frequency Modulation and Phase Modulation: The Difference Between Frequency Modulation and Phase Modulation are discussed below FM and PM are quite similar except by the manner in which the modulation index is defined.…
Classification of Liquid Dielectrics: In recent years, a substitute to mineral oils, other polyester oils have been developed which are extensively used in transformers in Europe and other countries. One such oil is the halogen free Penta-Etythrite-Tetra…
Basic Block Diagram of Communication System: The Basic Block Diagram of Communication System is shown in Fig. 22.1. The essential components of a communication system are information source, input transducer, transmitter, communication channel, receiver and…
Numerical Solution of Swing Equation: Numerical Solution of Swing Equation - In most practical systems, after machine lumping has been done, there are still more than two machines to be considered from the point of…
Crystal Equivalent Circuit: Crystal Equivalent Circuit - The output frequency of oscillator circuits is normally not as stable as required for a great many applications. The component values all have tolerances, so that the actual…
What is Shunt Compensation in Power System?: Shunt Compensation are connected in shunt at various system nodes (major substations) and sometimes at mid-point of lines. These serve the purposes of voltage control and load stabilization.…
Definition of Recorder: Definition of Recorder - A recorder is a measuring instrument that displays a time-varying signal in a form easy to examine, even after the original signal has ceased to exist. Recorders generally provide…