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Wideband Antenna Types

Wideband Antenna Types: It is often desirable to have an antenna capable of operating over a wide frequency range. This may occur because a number of widely spaced channels are…

Noise in Communication Systems Articles

Noise in Communication Systems Articles: External Noise in Communication System: The various forms of External Noise in Communication System created outside the receiver are namely 1. Atmospheric Noise, 2. Extraterrestrial…

Generation of Amplitude Modulation

Generation of Amplitude Modulation: There are two types of devices in which it may be necessary to the Generation of Amplitude Modulation. The first of these, the AM transmitter, generates…

Noise Calculation in Electronic Communication System

Noise Calculation in Electronic Communication System: The Noise Calculation in Electronic Communication System are namely, 1.Addition of Noise due to Several Sources: Let's assume there are two sources of thermal…

Symmetrical Fault Articles

Symmetrical Fault Articles: Symmetrical Faults on 3 Phase System: Most of the Symmetrical Faults on 3 Phase System on the power system lead to a short-circuit condition. When such a…

Protection of Alternators and Transformers Articles

Protection of Alternators and Transformers Articles: Protection of Alternators: The generating units, especially the larger ones, are relatively few in number and higher in individual cost than most other equipment’s.…

Optimal System Articles

Optimal System Articles: Introduction to Optimal System Operation: The optimal system operation, in general, involved the consideration of economy of operation, system security, emissions at certain fossil-fuel plants, optimal releases…

Load Flow Studies Articles

Load Flow Studies Articles: One Line Diagram of the 4 Bus System: A power system comprises several buses which are interconnected by means of transmission lines. Power is injected into…