In today’s world, the rapid development of the energy revolution and the rapid advancement of the digital revolution are profoundly changing energy, electricity and economic and social development. In June 2014, General Secretary Xi Jinping proposed a new energy security strategy of “four revolutions and one cooperation”, which pointed out the direction for my country’s energy revolution and also provided guidance for the innovative development of power grids.
At the beginning of 2019, State Grid Corporation of China, guided by Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, followed the trend of industry transformation and development, and made a strategic deployment to build a world-class energy Internet enterprise with “three types and two networks”. construction, promote the upgrade of the power grid, and boost the energy revolution. Recently, Kou Wei, chairman and party secretary of State Grid Corporation of China, accepted an exclusive interview with a reporter from “China Electric Power News”, and made a profound explanation on the ubiquitous power Internet of Things boosting the energy revolution, construction achievements, connotative characteristics and development plans.
China Electric Power News: What do you think is the significance of the ubiquitous power Internet of Things construction in boosting the energy revolution?
Kou Wei: In recent years, a new round of energy revolution in the direction of clean and low-carbon is booming around the world. Since clean energy and renewable energy are mainly converted into electric energy, electricity is bound to be at the center of this round of energy revolution. As a hub platform for energy conversion, utilization and transmission configuration, the power grid is facing the urgent requirement of comprehensive upgrading.
From the perspective of energy consumption revolution, the scope of utilization of electric energy has been expanded unprecedentedly, and the traditional fossil energy consumption market such as transportation has a clear trend of electric energy substitution. It is estimated that by 2050, the proportion of electric energy in my country’s final energy consumption will approach or exceed 50%. With the large-scale access of interactive energy facilities such as electric vehicles, virtual power plants, and distributed energy, the distribution network will change from “passive network” to “active network”, and the system flow will change from one-way flow to two-way interaction. The power grid load forecasting and power flow control are more complex, and the grid needs to be effectively dealt with and solved.
From the perspective of energy supply revolution, by the end of 2018, my country’s installed renewable energy power generation capacity accounted for about 38% of the total installed capacity, and it is expected to exceed 70% in 2050. By then, the proportion of non-fossil energy in primary energy consumption in my country will also increase from less than 15% now. to 50%. Wind power and solar power generation have strong intermittency, volatility and randomness. They are connected to the power grid at a large scale and a high proportion. The requirements for large-scale optimal configuration of the power grid are changed from quantitative to qualitative. Upgrading.
From the perspective of energy technology revolution, the development of new energy, energy storage and new power consumption technology has formed a force for grid technology innovation. Multi-energy complementary and comprehensive utilization, power electronics, advanced power transmission and other technologies are increasingly widely used in the power system. The accelerated integration of digital technologies represented by big data, cloud computing, Internet of Things, artificial intelligence, and blockchain with power grid technologies has provided a strong impetus for the leapfrog upgrade of power grid technologies.
From the perspective of energy system revolution, power reform is an important part of energy system reform. With the deepening of reform, a multi-buyer-multi-seller competitive market pattern has gradually formed, and transaction methods have become increasingly complex and diverse. The role of the market in the allocation of power resources It shows that new requirements are put forward for the power grid to play the network market function, expand the market opening, improve the operation efficiency and transparency of the power system, and strengthen the construction of the ecological circle.
From the perspective of strengthening international cooperation, energy is the lifeblood of economic and social development. Whether it can occupy the commanding heights in the new round of energy revolution will affect my country’s position in the future global competition pattern.
In short, the new round of energy revolution has put forward new and higher requirements for the technology, function and development mode of the power grid. The accelerated transformation and upgrading of the power grid has an important impact on the process of my country’s energy revolution. The construction of the ubiquitous power Internet of Things can improve energy efficiency, promote efficient interaction between source-network-load-storage, reduce the cost of the whole society, improve the autonomy of core technologies, improve industry supervision capabilities, and promote the “Belt and Road” and the building of a community of shared future for mankind.
China Electric Power News: This year is the first year of the ubiquitous power Internet of Things. According to the stage goal of “preliminarily building a ubiquitous power Internet of things by 2021” deployed by the State Grid Corporation at the beginning of the year, what breakthroughs have been made?
Kou Wei: After the State Grid’s “three-type, two-network, world-class” strategy was put forward, it has been widely recognized by all sectors of society and domestic and foreign counterparts. Focusing on promoting the construction of the ubiquitous power Internet of Things, some time ago, we focused on five aspects of work, and formed a series of innovative breakthroughs:
One is to build a construction system. Set up a leading group, integrate and set up the Internet Department, Energy Internet Technology Research Institute, Economic Research Institute and State Grid Big Data Center, optimize organizational structures from top to bottom, increase investment in technology, business, data and business innovation, and form synergies The work pattern of linkage, held two promotion meetings attended by tens of thousands of people throughout the company, and 7 office meetings of the leading group, mobilized all majors and all units to comprehensively promote the construction of ubiquitous power Internet of Things.
The second is to complete the planning and design. Prepared and completed the ubiquitous power Internet of Things construction outline, three-year plan, 2019 construction plan and all special construction plans, established four main construction lines, 57 key tasks, 25 comprehensive Demonstration provides guidance for the comprehensive construction of units at all levels and the extensive participation of forces from all walks of life.
The third is to carry out innovative research. Formulate the energy Internet technology research framework, release 8 measures for scientific and technological innovation and open cooperation, focus on core technologies such as chips, sensing, edge computing, artificial intelligence, and blockchain, and concentrate on technical research and demonstration applications. Cooperate with well-known domestic Internet companies to quickly build new infrastructures such as State Grid Cloud, Zhongtai and IoT platforms, laying a solid foundation for business and business model innovation. Formulate a technical standard system to promote the interconnection of upstream and downstream, cross-industry equipment, data and services.
The fourth is to form an industrial ecology. Focus on building 7 ecosystems including distributed photovoltaic services, comprehensive energy efficiency services, electric vehicle services, energy e-commerce services, data commercialization services, online industry chain finance and electrical equipment services, and many provincial companies have signed strategic cooperation with local governments Agreement, initiated the establishment of 3 industry alliances including comprehensive energy, released 10 major technology projects to the society, and attracted more than 8,500 internal and external teams to participate in the Youth Entrepreneurship Competition.
The fifth is to promote the construction of pilot projects. Headquarters and grassroots units made efforts in both directions, actively explored, carried out a series of pilot work, and formed a batch of best practice cases. In terms of improving the quality and efficiency of the power grid, through technological innovation and data sharing, the pilot tasks of the online state grid, modern (smart) supply chain, and online power grid have achieved remarkable results, and management capabilities and service levels have been significantly improved; in terms of emerging business development , through model innovation and interconnection, the effect of source-network load-storage collaborative interaction services such as precise control of adjustable loads, virtual power plants, and orderly charging of electric vehicles has begun to show. At present, various work is being accelerated, and many projects have achieved initial results.
Ubiquitous dispatching control of source, grid, load and storage: In Beijing-Tianjin-Tangshan power grid, the ubiquitous dispatching control of multi-coordination of source, grid, load and storage has been successfully implemented, and regulating resources such as electric vehicles, distributed energy storage, and controllable loads have been incorporated into grid optimization scheduling and real-time closed-loop control. Control and realize peak shaving and valley filling; establish a commercial operation model in which load-side resources participate in the power peak shaving auxiliary service market, which has been approved by the National Energy Administration and officially settled for operation. The initial power grid can obtain about 300,000 kilowatts of adjustment resources, which can reduce grid investment by 120 million yuan and improve the new energy consumption capacity by 50 million kilowatt-hours of electricity; after the business model operates for 2 to 3 years, it is expected to obtain 4 million kilowatts of adjustment resources, saving energy Invest 12 billion yuan in electricity, increase new energy consumption capacity by 5 billion kWh per year, and save 2 to 3 million tons of coal.
State Grid Online: Relying on the middle platform of customer service business, it aggregates customer resources, service capabilities and channel entrances of various segments of State Grid, and creates a unified public service platform of “State Grid Online”, which realizes one service entrance, one-time customer registration, and one-stop business operation. The platform has been comprehensively promoted and applied in the company’s 27 provincial companies, and the number of registered users has exceeded 19 million. Only Zhejiang Electric Power has reduced the number of errands by 1.38 million people since its launch for more than half a year, and handled more than 70,000 business transactions online, reducing the cost of running electricity for enterprises by nearly 100,000. 50 million yuan.
Modern (smart) supply chain: Integrate access to 5 major categories of materials and various information of suppliers to improve equipment procurement and production quality from the source. Bidding, contracts, warehousing, and evaluation services are all handled online, which can reduce the cost of suppliers by 1.3 billion yuan each year, and promote suppliers’ production management, process quality control and manufacturing level improvement. Through measures such as the cancellation of bidding document fees and the application of bid bond insurance instead, about 7 billion yuan has been released for suppliers.
Online power grid: Based on the data center, open up the planning, construction, operation and other systems, access 334 categories and 56 billion pieces of data, build “one map of the power grid”, and realize online applications such as automatic statistics, intelligent planning, and precise investment. Only Hangzhou Power Supply Company, relying on the scientific planning of “online power grid”, is expected to save nearly 1 billion yuan in investment during the “14th Five-Year Plan” period. Through business process optimization, it can save nearly 36 million yuan in labor costs every year.
Tianjin Comprehensive Demonstration: Establish a new model of government-enterprise cooperation. Under the command of the deputy mayor in charge, 28 commissions and bureaus and 16 district governments cooperate closely to promote the integration of the ubiquitous power Internet of Things construction into urban development; set up an energy big data center to provide auxiliary decision-making support for the government, and regularly provide “power view”. “Economic” analysis report, developed 10 digital products such as housing vacancy rate and group rental analysis; built smart energy buildings, improved social energy efficiency, and increased energy utilization efficiency by 19%; built a virtual power plant with clean energy and user-side adjustable resources, which can The load adjustment amounted to 13 MW; promoted the integration of business and distribution, and assisted the preparation of online business expansion plans to realize “one-time operation” for low-voltage installation; application of the visualization of repair reports to achieve “takeaway-style” customer repair reports.
Nanjing Lishui Comprehensive Demonstration: Build a synergistic and integrated ubiquitous terminal access network, complete the whole process of the operation and deployment business, and build a pilot smart station area integrating operation, distribution and perception, and the qualified rate of medium voltage line loss is increased by 6%. The “strongest brain” for intelligent auxiliary analysis of the distribution network was launched, and the fault handling changed from “post-event analysis” to “pre-warning”, the time for fault analysis and judgment was shortened from “minutes” to “seconds”, and the distribution network emergency repair work orders decreased by 28.5% year-on-year. The average repair time is shortened by 40%. Online business processing was comprehensively promoted, and the business volume of business halls decreased by 45%. The pilot team has been set up flexibly, and the average power connection time of high and low voltage is reduced by 60% year-on-year, which promotes the further improvement of the business environment. Carrying out comprehensive energy services to improve social comprehensive energy efficiency, the annual revenue was nearly 50 million yuan.
China Electric Power News: Over the past year, the industry has conducted extensive and in-depth discussions and active innovative practices around the “Ubiquitous Power Internet of Things”. There are also various interpretations about the Ubiquitous Power Internet of Things. Combined with the results obtained so far, how do you understand the connotative characteristics of the ubiquitous power Internet of Things?
Kou Wei: The ubiquitous power Internet of Things refers to the full application of modern information and communication technologies such as mobile Internet, artificial intelligence, and blockchain around all aspects of the power system to realize the interconnection of all things, human-computer interaction in all aspects of the power system, and comprehensive state awareness. , An intelligent service system featuring efficient information processing and convenient and flexible application.
From an architectural point of view, the ubiquitous power Internet of Things includes a four-layer structure of perception layer, network layer, platform layer, and application layer. The perception layer mainly solves the problem of data collection through the unified and standardized access of various terminal data; the network layer mainly solves the problem of data transmission through the information communication network with wide coverage, large connection, low delay and high reliability; The platform layer mainly solves the problem of data management through unified IoT management, cloud computing and edge computing collaboration of ultra-large terminals; the application layer mainly provides standardized data services through data integration, supporting the rapid construction of various applications and on-demand Iterate to solve the value creation problem of data.
From a technical point of view, the ubiquitous power Internet of Things is the application of a series of advanced digital technologies in the field of energy and power, including Internet of Things, mobile Internet, blockchain and other interconnected technologies, big data, cloud computing, artificial intelligence, edge computing and other intelligent technology, and communication technologies such as 5G. On the one hand, use advanced digital technology to transform and improve the technical equipment level of traditional power grids; on the other hand, integrate and innovate digital technologies with advanced energy technologies such as new energy power generation, power electronics, advanced power transmission, new power consumption, and energy storage to promote power grid technology. achieve the overall leap.
From a functional point of view, the ubiquitous power Internet of Things provides a package of information and data support for monitoring and early warning, interactive docking, analysis and evaluation, comprehensive optimization, and smart operation in all aspects of the power system, and effectively supports data value mining, new businesses, new formats and new models. Cultivating and building an energy Internet ecosystem is a powerful digital engine that promotes the comprehensive upgrade of power grid functions, business, management and power industry chains.
In terms of form, the ubiquitous power Internet of things and the strong smart grid are integrated and promoted together. The strong smart grid can be regarded as the “skeletal muscle” of the energy Internet, and the ubiquitous power Internet of things can be regarded as the “neural network” of the energy Internet. ”, the two complement each other and develop in an integrated manner, jointly carrying energy flow, business flow, and data flow, forming an energy Internet of “multiple flows in one”.
From the perspective of efficiency, the ubiquitous power Internet of Things empowers the traditional power industry, greatly improves system operation efficiency and management level, reduces the cost of the whole society, activates the function of stock assets, and obtains greater output with less investment. It conforms to the demands of the society to reduce the cost of electricity consumption.
China Electric Power News: Holding on to the strategic breakthrough period of the ubiquitous power Internet of Things from 2019 to 2021, what principles and directions do you think need to be grasped in the future construction?
Kou Wei: The construction of the ubiquitous power Internet of Things involves all aspects of the power industry chain, involving a large number of equipment and terminals. It is a huge systematic project. There are four principles that need to be grasped in the construction.
First, adhere to top-level design and demand orientation. Put the strengthening of the top-level design in a prominent position, pay attention to the overall planning and overall planning, clarify the work objectives, overall structure, construction ideas, development paths and evolution strategies of the ubiquitous power Internet of Things construction, and improve the systematicness, integrity and synergy of the construction. . Always start from the actual needs, put demand-oriented and application-driven throughout the construction of the ubiquitous power Internet of Things, and aim to solve problems and create value, and make up for what is missing to ensure results.
The second is to adhere to innovation-driven, iterative optimization. The construction of the ubiquitous power Internet of Things is a new practice that breaks through the status quo. There is not much experience to learn from. We must always take innovation as the first driving force, keep an eye on customer needs, strengthen Internet thinking, resolutely break the shackles of traditional concepts, and continue to promote original innovation. , integrated innovation, and continued to promote technological innovation, management innovation and business model innovation. We must take the initiative to change, dare to try and make mistakes, run small steps, focus on value creation, find truth in practice, find direction in exploration, and continuously approach the goal through rapid iteration.
The third is to insist on safety first and controllable risks. Ensuring the security of network and information data is the premise and foundation for promoting the construction of ubiquitous power Internet of Things. Security risk prevention and control must always be the top priority, scientifically handle the relationship between the construction of the ubiquitous power Internet of Things and network information security, and simultaneously build a full-scene security protection system and service system to achieve credible interconnection, precise protection, and security. Interactive and intelligent defense, to ensure the security of network information and data throughout the process, and to provide security service guarantees for various business development.
Fourth, adhere to open cooperation, joint construction and sharing. Adhere to opening the door for construction, actively adapt to the social forms, economic models and management methods of the Internet era, and follow the idea of ”platform + ecology” to promote all links of energy production, transmission, consumption, all elements of supply and demand, and optimal allocation of resources. Such market entities and social capital will participate in the construction and value mining of the ubiquitous power Internet of Things, and build a good ecosystem of complementary advantages and mutual benefit, so that the ubiquitous power Internet of Things will become the “aggregator” of the upstream and downstream and the entire industry chain.