登録日: 2016年10月10日
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hi, I amm eelectrical engineers,, but I aam workin iin freelancer I am expart of apk, Marketing, email mmarketing, Web. bu I am professional in ele engineering is one f the earliest fields that has developed within Electrical Engineering. It deals with generation,transmission and distribution of electric power. Power engineers also work on a variety of power devices and on power conversion (the process of transforming power from one form into another, as in electromechanical or electrochemical processes). Many power engineers are part of the large team that builds, maintains and develops the large networks that connects power generators with users of this power ("the power grid"). These engineers, who work for power utility companies of governments that maintain power grids design components for the grid, architectures for the grid and devices that either supply power to the grid or draw power from it. Devices that power engineers design and work with include generators, transformers, circuit breakers, relays and transmission lines. Systems the power engineer work on include electrical substations (a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers.) Some power engineers also work on smaller "off grid networks" that generate and supply electricity to independent plants or remote areas. A separate area of expertise is generation, transmission and distribution of power on stand-alone plants such as planes and ships. Power engineering is often analyzed along the three components of generation, transmission and distribution. Power engineers that work on generation convert other forms of energy into electric power. These sources of power include fossil fuels such as coal and natural gas, hydropower, nuclear power, solar power, and wind power. Power engineers that work on transmission are in charge of moving power from the power station where the power is generated to the location of the customer. Power engineers that work on distribution are developing and maintaining systems that distribute power to end user in voltages that can be used by the user's equipment. Power engineers deal with devices (motors, batteries, capacitors); processes and phenomena (such as power conversion, power drop and blackouts); analysis and design (such as estimation of the stability of a power network and power flow studies); and areas such as renewable energy and environmentally-friendly power systems. In addition to power utilities, power companies and organizations that maintain power networks, some power engineers work for universities and research institutions that advance the state of the art in power engineering and educate the next generation of power engineers.
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