Smart grid has the powerful ability of optimal allocation ofresources and the level of good safe and stable operation, can effectivelyalleviate the energy resources and the contradictions of imbalanced distributionof productive forces, improve the user power supply reliability; Can realizelarge-scale centralized and decentralized development mode of the large-scaledevelopment and utilization of clean energy, promote resource saving andenvironmental protection; Can achieve highly intelligent power grid schedulingand grid management informationization, the lean, realize power convenientinteraction between the user and the power grid, to provide users withpersonalized intelligent power management service, satisfy the electric cars andother new type of electric power service requirements of users; Implementationis based on power grid, power communications and information network,multi-network integration of telecommunication network, cable network, expandand enhance power system infrastructure ability and range of value-addedservices; Can drive the related industrial development, the promotion nationalequipment industry technical level and international competitiveness.

The basic developing trend of the smart grid as the world'spower grid, will become China's "twelfth five-year" and the focus of the powergrid construction in the future.

Smart grid, connotation and development goals

Smart grid is the modern advanced sensor measurement technology,communication technology, information technology and control technology appliedto power grid, such as depth forming advanced technology and highly integratedmodern physical grid power grid, realize the power industry of bigchanges.

Smart grid development in China will be based on the strongnetwork frame, supported by information platform of communication, by means ofintelligent control, including power system of power generation, transmission,substation, power distribution and utilization and scheduling six links, coverall voltage grade, realize the height of the "power flow, information flow,business flow" integration.

"Twelfth five-year" period, we will focus on developing smartgrid technology innovation and pilot application, the system on the basis ofsummary and evaluation of the smart grid pilot project, to speed up the revisionconsummates the related standard, each link coordinate orderly rapid advance.During the period of "much starker choices-and graver consequences-in", smartgrid technology and equipment to further improve performance, strive to maintechnical indicators are among the world top, intelligent international leadinglevel.

The smart grid development key

Intelligent power generation. Research advanced state of powercontrol, monitoring, diagnosis and optimizing operation control technology,strengthen the factory cta mixer network coordination, improve the level ofpower system safe and economic operation, to develop "digital power planttechnology research and demonstration", accelerate the expert management systemapplication, comprehensive promotion of the operation and management level ofpower plant. And speed up the clean energy generation (dg) in power systemcontrol technology research, to carry out the scenery storage transmission jointdemonstration project, mass parallel operation to provide technical support forclean energy; Promote the capacity of energy storage technology research, tomeet the need of rapid development intermittent power supply.

Intelligent transmission. At all levels of power grid based onthe coordinated development of strong power grid, gradually achieve transmissionlink modular, running state of reconnaissance, design, digital, networkedinformation standardization and application of the full implementation oftransmission line state overhaul, and the whole life cycle management, theconstruction of power transmission equipment condition monitoring system, widelyused in flexible ac transmission technology.

Intelligent substation. Digitized substation links graduallyachieve total station, communication network, standardization, advancedapplication interactive information sharing, the grid operation data real-timegathering and sharing, support grid real-time control, intelligent adjustmentand all kinds of advanced application, implement the total life cycle managementconcept, speed up the hub center for intelligent substation andmodification.

Intelligent power distribution. Using advanced computertechnology, power electronics technology, digital control system technology,flexible and efficient communication technology and sensor technology,realization of power distribution network power flow, information flow, businessflow of the two-way operation and highly integrated, built with integrated,interactive, self-healing, compatible, and optimization features of intelligentpower distribution system, improve the distribution network flexiblerefactoring, tide optimization and the ability to embrace renewable energy. Tospeed up the micro network technology demonstration promotion, satisfies therequirement of distributed generation access, improve the distribution networkreliability.

Electricity intellectualization. Building intelligentelectricity service system, realize the modernization of marketing managementoperation and marketing business intelligence application; Based on the two-wayinteraction time-sharing electricity power service, achieve grid two-wayinteraction with customers, improve customer service quality, satisfydiversified customers' needs. Promote intelligent home, intelligent community,and electric vehicles in areas such as technology innovation and application,improve the end user can use patterns, improving power efficiency and improvethe proportion of electricity in terminal energy consumption. Built in 2015, thenational electric vehicle in power plant more than 1000, more than 500000charging piles.

Intelligent scheduling. To adapt to the intelligent power systemsafe and reliable operation, flexible coordination, quality and efficient,economic and environmental protection requirements, building covers the gridexergue mode analysis, plan before checking, real-time scheduling run threelinks such as scheduling security line of defense, realize data transmissionnetwork, monitoring panoramic view, the safety evaluation of dynamic operationand dispatching decision-making, operation control, automation, network factorycoordination optimization has the international leading level, the independentinnovation development construction integration intelligent schedulingtechnology support system, an intelligent scheduling system of theintegration.

Information and communications support platform

Construction is characterized by packtized, networked,intelligent, safe and reliable, reasonable structure, the coverage of all of thelarge capacity, high speed communication network; Optimize the networkstructure, increase the intensity of resource integration, build and perfect thebackbone optical transmission network; Accelerate the construction of powerdistribution and electricity link communication network, the realization ofpower fiber to the home, established between the user and the smart gridreal-time, interactive, open and flexible communication network, to meet therequirements of the intelligent information platform of power system forcommunication. "Twelfth five-year" period, the city of new residential users100% optical fiber to the home, covering more than 28 million subscribers.