TAILIEUCHUNG - Energy Technology and Management Part 10

Tham khảo tài liệu 'energy technology and management part 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 9 Smart Home Services for a Smart Grid Young-Myoung Kim and Young-Woo Lee KT Korea Telecom Korea 1. Introduction A smart grid is a next-generation intelligent power grid created by grafting ICT Information Communication Technology onto the current grid which allows power suppliers and consumers to communicate on a two-way basis in real-time and to improve energy efficiency. Current grids are based on a one-way communication structure where power is generated in plants utilities and consumed in homes or buildings. However in a smart grid energy delivery and consumption is optimized using a real-time power supply and consumption data based on a two-way interactive communication structure. Therefore as illustrated in Figure 1 significant improvements are expected throughout the value chain from generation to consumption in a smart grid. For example at the generation stage even unstable intermittent renewable energy sources like solar energy and wind energy can be connected to the grid and large-scale renewable plants can be established. In addition consumers would be able to generate electricity by building solar or wind generation systems in their own home or building. At the transmission substation distribution stages information on devices and electricity in the grid would be delivered in real time and reliable fault prediction efficient outage management and automatic self-repair self healing would become possible ensuring a supply of stable electricity. The most significant change will take place in the consumers home building stage where consumers will now be able to use or sell the electricity generated by distributed generation using an energy storage device. Consumers will also be able to buy electricity when the price 1 is low and sell when the price is high. Consumers will then be able to participate in not only consumption but also in generation and sales they will be able to monitor the price of electricity and the information on their energy consumption

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