Need of Modulation in Communication System: Until the process of superimposing a low-frequency (long-wave) voice information component on a high-frequency (short-wave) carrier signal was perfected, the most widely used form…
Structure of Power System of Energy Electric System: An Structure of Power System, even the smallest one, constitutes an electric network of vast complexity. The one factor that determines the…
Structure of U.S. Electric Utility Industry: As noted from Fig. 1-1 the U.S. electric energy or power industry, more commonly known as the electric utility industry, is made up of…
Electrical Energy Definition: Electrical Energy Definition states that energy is the basic necessity for the economic development of a country. Many functions necessary to present-day living grind to halt when…
Basic Components of Electric Circuit: The Basic Components of Electric Circuit consists of three parts: (1) energy source, such as battery or generator, (2) the load or sink, such as…
Microprocessor Based DCS: Microprocessor Based DCS - Modern plants nowadays are very complex, large scale systems with a very high degree of automation. The designs and the operation of these…
Basis of PLC Programming: 1.Processor Memory Organisation:The term processor memory organization refers to how certain areas of memory in a given Basis of PLC Programming are used. Different PLC manufacturers…
Direct Digital Control: Developments in digital electronics have led to many industrial processes being computer controlled. The first system used was Direct Digital Control (DDC), in which a computer measured…