![]() ![]() When it arrives at points of consumption, another substation is found to step-down the voltage for end-use consumption 3. Transmission is achieved via powerlines and can occur either overhead or underground. Therefore, at the point of generation, substations contain transformers that step-up the voltage of electricity so that it can be transmitted. When electricity is at high voltages, transmission losses are minimized over long distances and resistive transmission lines. TRANSMISSION and DISTRIBUTION- Transmission includes transformers, substations and power lines that transport electricity from where it is generated to points of consumption.Decentralized generation occurs close to consumption, for example rooftop solar. The grid connects centralized power to consumers. This includes coal, nuclear, natural gas, hydro, wind farms and large solar arrays. Centralized generation refers to large-scale generation far from consumption. GENERATION – There are two types of generation – centralized and decentralized. ![]() The electrical grid is divided into three main components 2: ![]() Traditionally, electricity generation facilities have been developed in locations far from consumption centres with the electric grid connecting the two 1. The electrical grid is the electrical power system network comprised of the generating plant, the transmission lines, the substation, transformers, the distribution lines and the consumer. ![]()
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