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Electrical engineering is among the oldest fields which has evolved in the Electrical Engineering discipline. Most electrical engineers are a part of the pioneering team who constructs, maintains and innovates the large electric-generating systems that link electricity generators to end-users of the electricity (“the utility grid”). This engineering branch also deals with the design and analysis of electrical power transmission and distribution. For instance, electrical power distribution involves the transfer of electricity from the utility grid to substations that are dispersed throughout a large geographical area. Electrical engineering is also involved in the study and design of electrical machines such as motors, transformers and voltage regulators. Electrical engineers are therefore required to have a broad understanding of all the various components of an electrical system as well as the mechanisms and workings of modern machines like computers, communication equipment, cell phones, medical equipment and other devices.
Electrical engineering mainly comprises of four main branches namely power generation, transmission, power distribution and integrated circuits. In addition, there is another division which is known as microelectronics and it deals with electronic components and apparatus. It is a sub-field of electrical engineering known as microfabrication technology. The main tasks of microelectronics are integration of components to reduce the cost of production, control the complexity of the manufacturing process and improve customer’s satisfaction.
A typical electrical engineering project is carried out by the engineer through a series of processes starting with the requirement analysis. The requirements of any particular project will be determined after taking into consideration a number of factors including technical feasibility, market analysis and research and development needs. After determining the requirements an engineer will start with the feasibility study where he will take into consideration the present supply, demand and environment of electricity in his area. Next, the market analysis will help to understand the fluctuations in price during the last few years.
The next stage in the process will be the design and the implementation of a solution by the electrical engineer. This includes designing and building the micro-circuits that will convert the power flow into electric current. To do this the electrical engineer will use different methods like resistive or conductive flow or a combination of both. In addition, in some cases like a microelectronic circuit, power distribution may also be required that will allow for the easy movement of electricity from one area to another.
Microchip technology has also played an important role in the evolution of electrical engineering. These days, power electronics are being used for many different purposes apart from power generation and transmission. Microchips play an important role in such areas as optoelectronic devices, digital signal processing applications and wireless communication systems. With the advent of new microchips designs, electrical engineers have started developing high performance power systems that are highly reliable and energy saving.
The field of electrical engineering has benefited greatly from the applications and innovations made by electrical engineers in various fields. These engineers have also created new and advanced tools and techniques in the fields of computer technology, microelectronics and power systems engineering. They have also created new ways of producing and designing the different microchips that make up the various electronic devices we use in our day-to-day lives. Electrical engineering has benefited greatly from these advancements in the past and continues to do so in the present.