Smart grid in China
• Construct UHV grid and urban-rural distribution grid • Construct smart grid operation/control and interactive service system • Key technological breakthroughs and their applications • By 2015, UHV and other intra-regional transmission capacity will be 240 GW. Distribution and power provision will reach a reliability rate of 99.915% or ...
Analysis of Limiting Measures of Three-phase Short-circuit …
In the formula (3) ~ (5), I500 is the short-circuit current of 500kV bus, E1 is the power electromotive force, Xs1 is the equivalent impedance of UHV power grid, XT1 is the equivalent impedance of ...
A Review of National Economic Evaluation of UHV Power Grid
The key is to strengthen technological innovation on UHV transmission and smart grid and develop a mechanism for global energy collaboration. Such a mechanism will facilitate the building of ...
Development of UHV Power Transmission in China
The Northern Zhejiang–Fuzhou UHVAC Transmission Project is an important part of the UHV main grid framework in East China, which has important significance for improving the transmission capacity of Zhejiang and Fujian networking, meeting the needs to send out the surplus electricity of Fujian power grid during the peak load period in near future and getting …
Smart grids by country
The UHV lines should transfer power at lower cost with fewer losses. On May 21, 2009, China has announced an aggressive framework for Smart Grid deployment. ... The Smart Grid Forum had identified that smart technology would give energy consumers greater control of their energy use, bills, greater security of supply and enable the use of less ...
EMI Concerns, Measurements and Standards for Smart Grid
Electromagnetic interference is a disturbance which adversely affects the operation of various apparatus due to conducted and/or radiated electromagnetic radiation generated from internal or external source [6,7,8].Smart Power Grid network is an assimilation of various electronics devices and wired as well as wireless communication networks.
Literature Review of Social Benefit Evaluation Methods of UHV Power Grid
First, the emerging types of technology in the power generation sector, power grid sector as well as terminal consumer sector brought about by smart grid development are taken as the incentives ...
Power grid development and its comprehensive social and …
It will significantly reduce the power loss in the process of electric energy transmission by building a robust power grid with a long-distance, large-capacity, and low-loss UHV power grid, which serves as a backbone, and power grids at different levels develop in a coordinated way; the control of smart scheduling systems and flexible power transmission …
Transmission Technology Innovation and UHV Technology Under Smart Grid
Download Citation | Transmission Technology Innovation and UHV Technology Under Smart Grid | Electric energy transmission is an important work in the process of construction and development in China.
Literature Review of Social Benefit Evaluation Methods of UHV Power Grid
The UHV grid is currently the grid form with the highest voltage level, the strongest transmission capacity, and the most advanced technology. ... "The social benefits evaluation of smart grid in China." Ecological Economy, (04), 127–129. (in Chinese). Google Scholar. Liu, S. C. (1997). "Function of Shisanling pumped storage power plant ...
Analysis and evaluation of social benefit from UHV power grid
The transmission backbones of EU''s "Super Smart Grid 2050" and US''s " Grid 2030" are introduced and the advantages of UHV grid to form the robust receiving-end system is explored.
Research and application of UHV power transmission …
The power demand increases rapidly in China; however, the areas of huge power demands are of longdistance from most areas of abundant energy resource in the country. Therefore,China put in great effort to develop …
UHV Transmission Technology
Development of UHV transmission technology is led by infrastructure development and renewal, as well as smart grid developments, which can use UHV power networks as the transmission backbone for hydropower, coal, nuclear power and large renewable energy bases. UHV is a key enabling technology for optimal allocation of resources across …
Integration of EVs into the smart grid: a systematic literature …
Integration of electric vehicles (EVs) into the smart grid has attracted considerable interest from researchers, governments, and private companies alike. Such integration may bring problems if not conducted well, but EVs can be also used by utilities and other industry stakeholders to enable the smart grid. This paper presents a systematic …
The Role of Modern Substation Automation Systems in Smart Grid …
The smart grid can use SAS features to rapidly deploy several services and functions in transmission and distribution networks and control centers. One function can be to protect a network of connected renewable energy resources. Hence, the grid becomes scalable with these new SAS functionalities. The following points highlight most important ...
Smart grids in China
SG is also being regarded seriously in China. Grid companies took the initiative in developing SG. In May of 2009, State Grid Corporation of China (SGCC) released its vision and developmental roadmap for building a Strong Smart Grid (SSG) [6] ina Southern Grid Power Corporation (CSG) proposed its vision to build a smart, high efficient and reliable green power …
Research and application of UHV power transmission …
With the preliminarily formed UHV backbone power grid, UHV transmission technology will be further applied according to the situation of energy in China, and the short-term goal is to form a UHV backbone power grid …
Development of UHV Power Transmission | SpringerLink
1.1 Development of Power Transmission Voltage Level. In 1882, Deprez, a French physicist, by making use of a DC generator in a coal mine under DC voltage of 2 kV, and power of 1.5 kW and along the telegraph line of 57 km, successfully sent the electrical energy to an international exhibition held in Munich, completing the long-distance power transmission …
Research of key technologies for UHV transmission
Compared with the common alternating current (AC) power grid, transient overvoltage problems are more likely to occur in the UHVDC sending-end power grid [3][4][5][6][7] [8], which has seriously ...
Energy Intelligence: The Smart Grid Perspective
Smart grid outsmarts traditional power grids in various ways. Traditional power grids were built on one-way interaction in which utility supplies energy to domestic uses and businesses, whereas smart grid allows a multidirectional flow of energy and data by incorporating digital technologies for supply and load forecasting, usage tracking, and managing distributed …
Smart Grid – Alt om fremtidens intelligente elnet her!
Smart Grid i Danmark. Smart Grid i Danmark er på vej. Det tør vi godt at love for. Pr. EU-lovgivning skulle alle elselskaber have installeret et såkaldt ''smart meter'' senest i 2020 i alle danske hjem. Med dette smart meter blev det gjort muligt at aflæse og måle strømforbruget i boligen på afstand, og det er faktisk de data, som ligger til grund for, at vi i fremtiden bedre kan ...
Ultra High Voltage Transmission in China: Developments
The review and discussion are important for the safe and reliable operation of UHV grid in China and can be a reference for other countries that want to develop UHV AC and DC transmission ...
Analysis of Limiting Measures of Three-phase Short-circuit …
In the formula (3) ~ (5), I500 is the short-circuit current of 500kV bus, E1 is the power electromotive force, Xs1 is the equivalent impedance of UHV power grid, XT1 is the equivalent impedance of UHV transformers, I1000 is the short-circuit current of 1000kV bus, SB is the reference system capacity, UB is the reference system voltage, SN is the rated transformer …