Electricity generation is the process of creating electricity Electricity is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many easily recognizable phenomena, such as lightning and static electricity, but in addition, less familiar concepts, such as the electromagnetic field and electromagnetic induction from other forms of energy.
The fundamental principles of electricity generation were discovered during the 1820s and early 1830s by the British scientist Michael Faraday Michael Faraday, FRS was an English chemist and physicist (or natural philosopher, in the terminology of the time) who contributed to the fields of electromagnetism and electrochemistry. His basic method is still used today: electricity is generated by the movement of a loop of wire, or disc of copper between the poles of a magnet A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials and attracts or repels other magnets.[1]
For electric utilities An electric utility is a company that engages in the generation, transmission, and distribution of electricity for sale generally in a regulated market. The electrical utility industry is a major provider of energy in most countries. It is indispensable to factories, commercial establishments, homes, and even most recreational facilities. Lack of, it is the first process in the delivery of electricity to consumers. The other processes, electric power transmission Electric power transmission is the bulk transfer of electrical energy, a process in the delivery of electricity to consumers. A power transmission network typically connects power plants to multiple substations near a populated area. The wiring from substations to customers is referred to as electricity distribution, following the historic, electricity distribution The modern distribution system begins as the primary circuit leaves the sub-station and ends as the secondary service enters the customer's meter socket. A variety of methods, materials, and equipment are used among the various utility companies, but the end result is similar. First, the energy leaves the sub-station in a primary circuit, usually, and electrical power storage and recovery using pumped storage Pumped storage hydroelectricity is a type of hydroelectric power generation used by some power plants for load balancing. The method stores energy in the form of water, pumped from a lower elevation reservoir to a higher elevation. Low-cost off-peak electric power is used to run the pumps. During periods of high electrical demand, the stored water methods are normally carried out by the electrical power industry The electrical power industry provides the production and delivery of electrical power , often known as power, or electricity, in sufficient quantities to areas that need electricity through a grid. Many households and businesses need access to electricity, especially in developed nations, the demand being scarcer in developing nations. Demand for.
Electricity is most often generated at a power station A power station is an industrial facility for the generation of electric power by electromechanical generators In electricity generation, an electrical generator is a device that converts mechanical energy to electrical energy. The reverse conversion of electrical energy into mechanical energy is done by a motor; motors and generators have many similarities. A generator forces electric charges to move through an external electrical circuit, but it does not, primarily driven by heat engines A heat engine is a physical device that converts thermal energy to mechanical output. The mechanical output is called work, and the thermal energy input is called heat. Heat engines typically run on a specific thermodynamic cycle. Heat engines can be open to the atmospheric air or sealed and closed off to the outside fueled by chemical combustion Combustion or burning is the sequence of exothermic chemical reactions between a fuel and an oxidant accompanied by the production of heat and conversion of chemical species. The release of heat can result in the production of light in the form of either glowing or a flame. Most fuels of interest are organic compounds in the gas, liquid or solid or nuclear fission In nuclear physics and nuclear chemistry, nuclear fission is a nuclear reaction in which the nucleus of an atom splits into smaller parts, often producing free neutrons and lighter nuclei, which may eventually produce photons . Fission of heavy elements is an exothermic reaction which can release large amounts of energy both as electromagnetic but also by other means such as the kinetic energy of flowing water and wind. There are many other technologies that can be and are used to generate electricity such as solar photovoltaics Photovoltaics is the field of technology and research related to the application of solar cells for energy by converting solar energy (sunlight, including ultra violet radiation) directly into electricity (solar electricity). Due to the growing demand for renewable sources of energy, the manufacture of solar cells and photovoltaic arrays has and geothermal power Geothermal power is power extracted from heat stored in the earth. This geothermal energy originates from the original formation of the planet, from radioactive decay of minerals, and from solar energy absorbed at the surface. It has been used for bathing since Paleolithic times and for space heating since ancient Roman times, but is now better.
Sources of electricity in the U.S. in 2006;[2] fossil fuel generation A fossil-fuel power plant is a power plant that burns fossil fuels such as coal, natural gas or petroleum to produce electricity (mainly coal) was the largest source.
Contents |
Daily Record (subscription)
Martin O'Malley wants state energy regulators to order new electricity generation built in Maryland, but competitive suppliers think that's the wrong move. ...
and more »
