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How the power grid operates with cloud computing is intelligent, an issue that the power industry urgently needs to pay attention to. Status and characteristics of cloud computing Cloud computing is a hot new term. Because it is the result of a mixed evolution of multiple technologies, its maturity is high, and it is driven by big companies, and the development is extremely rapid. Companies such as Amazon, Google, IBM, Microsoft, and Yahoo are pioneers of cloud computing, but the test water power industry has no precedent for daring to try.
As a new method of sharing the infrastructure, the servers in the cloud computing platform can be physical servers or virtual servers. Virtualization is the nature of cloud computing. With the continuous deep research and development of cloud computing technologies and related concepts, in the near future, virtualization of operations and virtualization of management will also gradually be realized. For users, the characteristics of cloud computing are: computing resources are transparent to users, dynamic allocation of computing resources and elastic scaling, computing resources are common and shared. The architectural features determine that cloud computing will be attached to various industries of IT, and effectively save a lot of costs and realize the sharing of hardware resources.
Guodian’s construction of the infrastructure grid first has significant features such as large scale, complex models, multiple levels, and multiple levels. In particular, with the gradual integration of renewable energy such as solar energy, wind energy, and hydropower into the power grid, and the continuous development of distributed energy technologies, coupled with the country’s vigorous promotion of digital substations, the scale of the power grid will be larger and more complex. More widely distributed.
The power companies that are the main players in market competition use IT technology to be sensitive to changes in the external environment, gain insights into their core competencies and gaps, and respond in a timely manner. This has become an internal demand for the survival of enterprises and an effective weapon for the development of success. . For the power industry, on the one hand, the status of IT has become more and more important. The power company's data center has grown in size and has more and more servers. On the other hand, people have found that they are traditionally targeting specific applications. The hardware and software resource configuration model has a series of shortcomings in the established IT infrastructure and data center. For example, if the resource utilization efficiency is low, according to authoritative statistics, the average utilization efficiency of the current enterprise data center server resources is only 20-40%; IT The infrastructure structure is more and more complex, the scale is bigger and bigger, the operation and management costs are increasingly expensive, and there is also a lack of flexibility to adapt to business changes quickly; the server system needs to be managed through a lot of manual operations, it is easy to make mistakes, and the whole data center cannot be realized. High availability and continuous service, enterprise services, and critical data security are also not guaranteed.
How big is the feasibility of smart grid promotion? Currently, the second grid system of the State Grid Corporation has completed the construction of the second plane of the scheduling network communication system, which has greatly improved the network bandwidth and reliability, and has satisfied the remote application and data synchronization of the support system. The functional requirements can effectively support the application and implementation of cloud computing platforms. Power companies in each province or region are also idle with many underutilized computing and storage resources.
The expansion of cloud computing technology is very simple. It can be built directly on idle x86-based servers. It does not require the same type of server, significantly reduces construction costs, and improves the utilization of resources through the scalability and flexibility of virtualization technology. The level of hierarchical power grid management in the existing power system is very clear. The main cloud and sub-clouds are established through the level of the power grid to limit the permissions and resource allocation, thereby reducing unnecessary authority management and resource allocation within the system. It is the resources and permissions of the smart cloud. Reasonable.
The advantage of the power cloud is that the power system intranet is a physically independent wide area network. Physical isolation ensures the security of the power system data on the network for other industries; the power grid at the same level has no access to the data, but the data Encrypted storage and calculations can be performed at the same level of resources; the data is completely visible to the upper level, which means that the level fully owns all the data access rights of the subordinates. The security mechanism can protect the security of all levels of data and maximize the utilization of resources.
The lack of smart grid platforms The smart grid as an important national infrastructure is different from typical Internet applications such as search engines and cannot be directly ported to foreign cloud computing platforms. The domestic cloud computing companies mostly stay at the SaaS (software as a service) level, and have no strength to develop a platform for the power grid, which led to the smart grid program as a national strategic development plan, but only to stay In the conceptual hype stage.
Moreover, as a new type of distributed computing technology, cloud computing is still in its early stages of development. Many key issues such as architecture, virtual machine, data management, energy consumption management, resource scheduling, programming model, and cloud security need to be further studied. There are also many challenges in its application in smart grids.
As the largest developing country in the world, China is dependent on the power industry both in industrial production and in people’s lives. Cloud computing can effectively improve the stability of power systems, save infrastructure construction costs and manpower costs, and has positive significance for the healthy operation and steady development of the power industry. For domestic cloud computing companies, developing their own cloud computing IaaS platform and PaaS platform, and tailoring a power cloud operation program according to the characteristics of the power system itself is currently the most important task. I also look forward to the power industry as soon as possible to take advantage of cloud computing new technologies to support the long-term development of power informatization.
Cloud computing is undoubtedly one of the hottest topics in the IT community for the present and future. How to use the energy of cloud computing in various national economic industries is the issue that people are most concerned about. The power industry is a pillar industry that affects people's livelihood. With the advancement of the power informationization process, the cost of IT infrastructure construction and operation and maintenance has increased year by year. The power system has an independent basic network and provides ready-made hardware environment for the power cloud. However, the special nature of the power industry determines that the power cloud cannot be directly transplanted to a commercial platform developed overseas. Does domestic cloud computing companies have the power to independently develop power cloud IaaS and PaaS platforms? This is still the biggest problem at the moment. In addition, whether cloud technology can support the application of power core computing in the end is a topic of divergent opinions.