As global energy demand increases, governments in different countries begin to introduce smart grid technology to achieve environmentally friendly development and reduce energy consumption, and use other available energy sources to improve demand outside the grid, including China, Italy, India and the United States. The state has developed relevant plans. Smart meter is one of the basic equipments for data acquisition of smart grid (especially smart distribution network). It undertakes the task of collecting, measuring and transmitting raw energy data. It is the basis for information integration, analysis optimization and information presentation. Therefore, smart grid The popularity of the smart meter market will drive rapid growth in the next few years.
With the rapid development of technology, the application of Internet of Things technology has penetrated into various fields, including smart grid, intelligent transportation, intelligent logistics, intelligent green buildings and environmental monitoring. For example, the Taihu Lake water quality monitoring system based on low- and high-speed sensor networks has been put into use; the intelligent traffic system based on sensor network has been put into use in traffic monitoring, traffic light control, parking information services, and so on. Internet of Things technology has been imperceptibly affecting our daily lives.
The smart grid mainly realizes the real-time, high-speed and two-way effect of data reading through the terminal sensor to form a network connection of instant connection between customers, customers and grid companies, thereby improving the overall efficiency of the grid as a whole. The premise of the high integration of power grid, information flow and service flow in smart grid lies in the non-destructive collection, smooth transmission and orderly application of information. The communication support system at all levels is an effective carrier for the operation of strong smart grid information. By making full use of the potential value of the diversified and smart information of strong smart grids, it can serve the refined management and standardization of the production process of strong smart grids, improve the intelligent and scientific decision-making level of power grid dispatching, and improve the safety and economy of power system operation. Sex.
The core of the smart grid is to build an intelligent network system with multiple energy integration and distributed management with intelligent judgment and adaptive adjustment capabilities. It can monitor and collect power and customer power information in real time, and adopt the most economical and The safest transmission and distribution method delivers power to end users, enabling optimal allocation and utilization of electrical energy, improving grid operation reliability and energy efficiency. The essence of smart grid is energy substitution and compatible utilization. It needs to integrate the data in the system and optimize the operation and management of the grid based on the open system and shared information model.
As the indispensable basic link of smart grid terminal information, the Internet of Things has a broad application space in the power system. The Internet of Things will penetrate into all aspects of power transmission, from the access of power generation to detection and production management of substation. , security assessment and supervision, as well as distribution automation, power collection, and marketing, the use of the Internet of Things, in power grid construction, production management, operation and maintenance, information collection, security monitoring, metering applications and user interaction Will play a huge role. It can be said that 80% of the business is related to the Internet of Things. The sensor network can comprehensively improve the information-aware depth and breadth of all aspects of the smart grid, and provide high-availability support for the intelligence of the power system and the flow of information, traffic, and power flow.
Smart grid is the industry most closely related to the Internet of Things. In the future, the construction of smart grid will inevitably produce the world's largest, most intelligent and most comprehensive information-sensing Internet of Things. Internet of Things technology can realize power equipment status detection, power production management, power asset life cycle management, and intelligent power consumption. The use of Internet of Things technology will help realize intelligent two-way interactive services, electricity information collection, smart home, home energy efficiency management, distributed power access and electric vehicle charging and discharging, in order to achieve two-way interaction between users and the power grid, improve power supply Provide technical support for reliability and power efficiency as well as energy saving and emission reduction.
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