The smart grid mainly uses various existing information technologies to allow grid information to be analyzed. The traditional one-way manual meter reading at the customer end is changed to a bidirectional smart meter. Collecting instant and complete energy use information through smart meters to complete power automation dispatching and demand management.
Several advantages of smart grids are as follows:
1 . Accurate supply of energy Through information technology such as sensing, detection, remote control, etc., real-time tracking of demand, and intelligent analysis, control, so that more accurate supply of electricity, thereby reducing carbon emissions.
2 . Demand management smart grid platform can integrate demand management into electrical product design and system architecture, allowing users to respond to and communicate with grids and decentralized energy sources, and fundamentally solve problems through technological advancement.
3 . Power integration uses the backup concept of each system to provide mutual security. The current city's power system backup capacity and energy storage equipment can support each other. Various forms of power generation such as wind power. Firepower, solar energy, and solar energy can together form an overall energy security. Under the deployment of smart grids, it ensures the security of electricity supply.
4 . The Innovation Platform Smart Grid creates an innovative technology environment for intelligent ionization and information appliances. The development of smart grids and the digital communication of power lines will be inevitable. According to the current technology, the 220V power grid can achieve a communication speed of 200M bandwidth, and the communication speed of most telephone lines is only 2M, which is far below the current level of the power line, unless another fiber-optic system is opened, and the potential of the power line will be further developed in the future. . If the power line is used as a regional information exchange platform, networks, digital video phones, and digital televisions can all use this channel to achieve almost no cost information.
Judging from the progress of various countries, 2010 will be the year for the smart grid to take off. At present, the practice of all countries is to start with the replacement of electricity meters. The United States, the United Kingdom, and Italy have all completed the replacement of some electric meters. By 2020, the proportion of smart meters installed in the European Union, the United States, and China will exceed 50%.
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