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| 1 | 计及损耗的钒电池储能系统功率优化分配策略显示文摘针对由多组全钒液流电池并联构成的大容量储能系统,给出计及损耗的系统功率优化分配策略。该策略首先建立计及损耗的功率分配模型,然后将系统损耗、荷电状态(SOC)均衡度作为目标优化函数,在满足功率需求、SOC上下限等约束条件下采用虚拟粒子-自适应差分进化算法(VP-ADE)寻求最优解,进而实现储能系统的功率优化分配;最后,基于Matlab对该文策略进行仿真,并与传统策略进行对比。仿真结果表明该策略能在分配功率过程中降低系统损耗,同时使各储能单元的SOC在充放电过程中逐渐趋于一致。 | 陈薇 侯杨成 张里 王娟 邱亚 | 2020 | 电工技术学报2020,35,19: | 8 |
| 2 | Design and verification of a satellite-terrestrial integrated IP network model for the Global Energy Interconnection显示文摘In order to meet the pressing demand for wide-area communication required by the Global Energy Interconnection(GEI),accelerating the construction of satellite-terrestrial Integra怕d networks that can achieve network extension and seamless global coverage has become the focus of power communication tech no logy development.In this study,we propose a satellite-terrestrial integrated network model that can support interconnection and interoperation on the IP layer between the satellite system and the怕rrestrial segment of the existing power communication system.First,the composition and function of the satellite-terrestrial collaborative network are explained.Then,the IP-based protocol stack is described,and a typical applicati on experime nt is con ducted to illustrate the particular process of this protocol stack.Fin ally,a use case of IP interconn ection that depends on GEO satellite communication is detailed.The experime ntal study has showed that the satellite-terrestrial collaborative network can efficiently support various IP applications for the GEI. | Yun Liang Yao Wang Li Huang Jun Ma Xiaolu Chen Jingtao Huang | 2019 | Global Energy Interconnection2019,2,6: | 2 |
| 3 | Weather index insurance for wind energy显示文摘As China vigorously promotes the development of new energy,photovoltaic power curtailment and wind power curtailment have been effectively resolved.At the same time,the yield from new energy power generation is becoming an important factor that affects the scale of investment in new energy.This paper focuses on the weather risks faced by wind power producers.By studying current research on weather index insurance in China and abroad,the functions and design methods for weather index insurance have been clarified.In addition,the feasibility of wind-power generation index insurance is discussed.The calculation methods for wind power generation index and the weather index insurance pricing methods for wind power enterprises are proposed.A weather index insurance model for wind power generation was established.The rationality and feasibility of the weather index insurance model proposed in this paper were verified using data from an existing power plant.The simulation results show that wind power enterprises can effectively avoid economic losses caused by weather risks through weather index insurance. | Xiao Han Guoxing Zhang Yixiang Xie Jiaxuan Yin Haiming Zhou Yunxi Yang Junhui Li Wenlei Bai | 2019 | Global Energy Interconnection2019,2,6: | 1 |
| 4 | Study of future power interconnection scheme in ASEAN显示文摘The current energy supply trajectory in the Association of Southeast Asian Nations(ASEAN)region is not sustainable.Factors such as rising standards of living and demographic patterns,including population growth,lead to continuous increase in power demand,which is difficult to meet using limited fossil fuel resources.Thus,a transition toward clean energy sources is needed in the region.While ASEAN member countries are rich in clean energy resources,such resources are located far from demand centers;thus,allocation of clean energy is necessary to increase its utilization.In this study,power demand is forecasted using a combination of prediction methods.A model to evaluate the installed capacity and power exchange potential is proposed to deal with mismatch between the location of the clean energy base and the load center.Furthermore,the concept of cross-regional allocation of clean energy between the ASEAN region,China,and South Asia is presented.A power interconnection scheme among the ASEAN member countries as well as neighboring countries is proposed based on the power exchange potential.The proposed grid interconnection scheme contributes to the utilization of clean energy in the ASEAN region,increasing the proportion of clean energy in the generation mix,which ensures that the region becomes a sustainable and resilient society with a clean and low carbon development route.Furthermore,the proposed power interconnection scheme will generate valuable economic,social,environmental,and resource allocation benefits. | Han Jiang Yi Gao Pengfei Xu Jun Li | 2019 | Global Energy Interconnection2019,2,6: | 1 |
| 5 | Research on key technologies of deduction of multinational power trading in the context of Global Energy Interconnection显示文摘When transnationalized electricity trade is conducted in the context of Global Energy Interconnection(GEI),the transaction settlement usually has a long cycle and high cost and is influenced by the volatility of the exchange rate.It is thus necessary to overcome the problems associated with the transaction settlement,change in the trading model data,and trading strategy in the transnational transaction deduction.To overcome the problem of trade settlement,this paper proposes the use of a digital currency(energy currency)for the cross-border electricity trading settlement based on the special drawing rights of the International Monetary Fund,which is controlled by the Global Energy Interconnection Development and Cooperation Organization(GEIDCO),to enable the proposed currency to become a stable digital currency.The traders can use the energy coins as a unit of currency for quotes,combined with the data pertaining to the changes in the energy information obtained from the GEI framework and data regarding the optimally extrapolated reference trading indicators.To realize the implementation of the multi-trader concurrent transaction deduction using a microservice architecture,this paper proposes a method of computing the microservice and synchronous interaction among the traders,based on the database table data,because the large amount of computation is required to be accomplished asynchronously with a single process.The key technology behind these cross-national electricity trading simulations can not only enable the GEI transnational traders to performed daily real-time trading,but it also demonstrates the advantages of the rapid settlement of the energy currency and the realization of a stable payment in the global energy interconnection cross-border electricity trading. | Jijie Huang Changnian Lin Haiming Zhou Zhengqing Xu Chunzhe Lin | 2019 | Global Energy Interconnection2019,2,6: | 1 |