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From the city to see the wisdom of our smart grid development bottleneck
Published: 2015/6/5 12:50:36

2008 Colorado Boulder (Boulder) to become the world's first smart grid city. Each family of the city's smart meters are installed, people can intuitively understand the immediate price, the laundry, ironing and other things arranged in a low price period.
        April 2009, the US government ordered to build a new "smart grid," the bill as soon as possible, also appointed an expert served as first Smart Grid interactivity National Coordinator, and the United States at least for now there are 15 institutions in the collaborative development of the smart grid standards.
        In North America "unified smart grid" start at the same time, Europe also began a super smart grid project, the most cutting-edge analysis, "smart grid" will reshape the world economic and energy situation. However, on smart grid applications, but failed to unify the standards and principles in the face of new technology proficient consumers, the smart grid is ready?
Service smart city development
It began in November 2008, by the United States, IBM's "smarter planet" concept, triggering a wave of smart city construction. Ministry of Housing and Urban Construction from August 2013 launched a national smart city pilot work, as of April this year, China has released three batches of smart city pilot country has reached 277.
Smart City concept in global memory in the different interpretations, but common is always trying to optimize their infrastructure.
"From a macro perspective, smart distribution grids will ultimately smart city services." Accenture Smart Grid Services is responsible spawned Chinese people Cheng said. Smart City with extensive coverage and depth of communication and information network interconnection based on a comprehensive perception of infrastructure, environment, energy and other aspects of information, be able to integrate the energy, transport, water and other cities run various core systems for urban operations and various resource optimization configured to provide intelligent decision-making and response, improve operational efficiency and utilization of limited resources.
Included in the government work report for the first time since 2010, the smart grid construction for six successive years the government work report regulars. Electric power system reform, corporate strategy of going out, "along the way", smart city, new energy vehicles, etc. These and systems, smart grid power is closely related to the keyword spate of them in the government work report, indicates that the development of smart grid vast space.
Reporters combed the local government work report this year found that most provinces are to strengthen power grid construction and transformation, to support the new energy industry, services, local economic development, enhance scientific and technological innovation as the starting point, clearly smart grid or smart grids offer supporting industries. Reporters noted that in place plans that have been promulgated, Shanghai, Jiangsu, Guangdong and other provinces and cities have been included in the local smart grid three things - one of the key areas of five-year development plan of development.
Taken together, the provincial local government smart grid development goals, some overall strategy, some local projects; some focus on energy conservation, and some focus on industrial revitalization ...... This will become a strong driving force to accelerate the development of smart grid.
Planning standards promulgated imminent
Smart Grid announced plans to market a tremendous boost, domestic power equipment manufacturers, IT hardware and software manufacturers have long had this "big cake" fabulous. However, the smart grid concept Scoop extremely hot, but planning and standards to guide specific actions but has not been introduced, so many companies feel anxious and confused.
Southern Institute of Science and Technology deputy chief engineer of the grid column Dong Xu told reporters that China is still the absence of national standards for smart grid, including the State Grid, China Southern Power Grid are working on the preparation of relevant standards. This effort is understandable, the state authorities said the country will consider the subject of the birth of market research and technological achievements more than one body.
As early as May 2012, the Ministry issued "smart grid of major science and technology industrialization projects" second five "special plan" put forward to form a smart grid technology system and standard system with independent intellectual property rights, and establish a more comprehensive smart grid industry chain basically built to information technology, automation, interactive features into the smart grid.
In order to implement the national standards committee, the National Development and Reform Commission, Ministry of Science and other 10 ministries issued a "strategic emerging industry standardization development plan", May 2014, 12 ministries and the National Standards Commission, the National Development and Reform Commission, the National Energy Board jointly issued "Directory 2014 strategic emerging industry standards to guide complex", including the trough solar thermal power complex thermodynamic system standards, smart grid and complex network standard, photovoltaic power plants, operation and maintenance standard complex, electric vehicle charging Standard complex electrical facilities and other 31 smart grid standards program.
It is reported that the National Standards Committee for Standardization overall national smart city group is studying how to support the smart city smart grid standardization work in smart city smart grid system will primarily involve distribution automation, distributed power and micro power grid, distributed energy storage system access distribution network, two-way interactive services, information collection, smart energy services, smart power testing, charging and discharging of electric vehicles, energy conservation and energy efficiency, communications networks, information technology applications and information security and other fields of expertise, including intelligent power infrastructure, providing public services convenient, grid and user interaction, energy use green.
April 23, Deputy Director of the National Energy Board Electricity 童光耀 on "Energy Internet" industry seminar said that the National Energy Board led the development of "smart grid construction guidance" will be introduced, in addition to "Thirteen Five" plan Smart grid development plan is also developed.
Still need to break technical barriers
Past Grid is powered by thermal power plants, hydropower plants, grid design and scheduling long remained stable. But with the development of wind, solar and other clean energy grid technologies began to appear all kinds of "suited."
National Development and Reform Commission Han Wenke, director of Energy Research Institute, said the smart grid will be the future trend, "the future will be more connected to the larger grid, interoperability." Currently, the EU is also allocated special funds to study trans-European power grid, so that a wider range of scheduling resources more consumptive renewable energy and new energy.
However, in the expert opinion, the smart grid, there are still many problems to be solved.
Zhang Wei, vice president of National Grid Energy Research believes that grid companies to develop new energy sources as an opportunity, but it faces many challenges in the specific technical processing. "For example, abandoning the wind problem, from a national perspective, the proportion of wind power accounted for only 6%, but in some local areas, the peak power installed capacity of more than 20%, a large proportion is very difficult to be linked to the grid. This is a test of adjustment grid capability. "
He noted that further development of smart grid, needs to solve many practical problems, such as distributed power access. The ultimate goal is to achieve future distributed energy plug and play, which led to many technical problems. Because the original large-scale distributed power until access, current flow is very simple, as the dam from top to bottom, like transmission, but the access to distributed power, the flow of current is changed, this grid control, it is a a serious challenge.
Dong Xu column that the future smart grid, first by rational planning, achieved between the regional and domestic network with neighboring countries. Secondly, we must achieve a high degree of intelligence, plug and play. Also, to achieve a wide range of interconnection between different energy systems, because a lot of energy into electricity eventually require that electricity is the energy resources of the platform.
"The future of the grid also need to implement open and interactive, which includes not only technical, but also communication and consumer level. The grid company hopes to develop the development of the grid with the Internet can be integrated with each other, through the development of information technology, including the use of mobile terminals increase the interaction between the user and the intensity. "Zhang Wei said.
Dong Xu column said that the future of the grid not only to achieve interoperability, but also need to have more flexibility in the operation. "Our country can not do without a large grid, but in the end how to run the power grid, what mode, giving consumers more choice, still need to be explored."
Dong Xu column also believes that the future of both the grid is large enough, but also even smaller, because you may develop a lot of micro-grid. At present, many steel companies to self-generate electricity, but it also needs to provide backup power grid. So the smart grid must be very flexible, which is a trend.
Meanwhile, the smart grid concept is evolving, "perhaps even in another 10 years, 15 years, we talk about it, it is not the concept but the trend is the development of interoperability and flexibility is inevitable, this is a new round of energy revolution driven. "Han Wenke said in conclusion.


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