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32篇 您的检索式:作者名="Zechun Hu"
    题名 作者 年代 出处 被引量
1Photovoltaic and Solar Power Forecasting for Smart Grid Energy Management显示文摘Due to the challenge of climate and energy crisis,renewable energy generation including solar generation has experienced significant growth.Increasingly high penetration level of photovoltaic(PV)generation arises in smart grid.Solar power is intermittent and variable,as the solar source at the ground level is highly dependent on cloud cover variability,atmospheric aerosol levels,and other atmosphere parameters.The inherent variability of large-scale solar generation introduces significant challenges to smart grid energy management.Accurate forecasting of solar power/irradiance is critical to secure economic operation of the smart grid.This paper provides a comprehensive review of the theoretical forecasting methodologies for both solar resource and PV power.Applications of solar forecasting in energy management of smart grid are also investigated in detail.Can Wan Jian Zhao Yonghua Song Zhao Xu Jin Lin Zechun Hu 2015CSEE Journal of Power and Energy Systems2015,1,4:29
2Optimization Method for Evaluating Wind Power Penetration Limit Constrained by Load Following Capacity显示文摘Zechun HU Zijiao HAN Fang ZHANG Xu XIE 2013电力系统自动化2013,37,19:3
3Optimal transmission switching to eliminate voltage violations during light-load periods using decomposition approach显示文摘With the rapid load increase in some countries such as China, power grids are becoming more strongly interconnected, and the differences between peak and valley loads are also increasing. As a result, some bulk power systems are facing high voltage limit violations during light-load periods. This paper proposes to utilize transmission switching(TS) to eliminate voltage violations. The TS problem is formed as a mixed-integer nonlinear program(MINLP) with AC power flow constraints and binary variables. The proposed MINLP problem is non-deterministic polynomial hard.To efficiently solve the problem, a decomposition approach is developed. This approach decomposes the original problem into a mixedinteger linear programming master problem and an AC optimal power flow slave problem that is used to check the AC feasibility. Prevention of islanding is also taken into consideration to ensure the feasibility of the TS results.The modified IEEE 39-bus and IEEE 57-bus test systems are used to demonstrate the applicability and effectiveness of the proposed method.Boshi ZHAO Zechun HU Qian ZHOU Hongcai ZHANG Yonghua SONG 2019Journal of Modern Power Systems and Clean Energy2019,7,2:2
4Stochastic optimization of the daily operation of wind farm and pumped-hydro-storage plant显示文摘Huajie Ding Zechun Hu Yonghua Song 2012Renewable Energy2012,,:2
5Further study on Hunt's hypothesis (H) for Lvy processes显示文摘Getoor's conjecture that essentially all Lvy processes satisfy Hunt's hypothesis(H) is a longstanding open problem in potential theory. In the beginning of the paper, we summarize the main results obtained so far for the problem. Then, we present two new necessary and sufficient conditions for the validity of(H). Furthermore, we give applications of these new criteria. First, we give explicit constructions of Lvy processes satisfying(H) in a context where previously known results could not be applied. Second, we show that a large class of pure jump subordinators can be decomposed into the summation of two independent subordinators such that both of them satisfy(H).HU ZeChun SUN Wei 2016Science China Mathematics2016,59,11:2
6Stochastic optimiza- tion of the daily operation of wind farm and pumped-hydro-storage plant显示文摘DING Huajie HU Zechun SONG Yonghua 2012Renewable Energy2012,,4:1
7A probabilistic load flow method considering branchoutages显示文摘Hu Zechun Wang Xifan 2006IEEE Transactions on Power Systems2006,21,2:1
8Stochastic optimal reactive power dispatch: formulation and solution method显示文摘HU Zechun WANG Xifan TAYLOR G 2010International Journal of Electrical Power and Energy Systems2010,32,6:1
9Stochastic optimization ofthe daily operation of wind farm and pumped-hydro-storage plant显示文摘Ding Huajie Hu Zechun Song Yonghua 2012Renewable Energy2012,,48:1
10A probabilistic load flow method considering branch outages显示文摘Hu Zechun Wang Xifan 2006IEEE Trans on Power Systems2006,21,2:1
11A probabilistic load flow methodconsidering branch outages显示文摘Hu Zechun Wang Xifan 2006IEEE Transactions onPower Systems2006,21,2:1
12Uniform nonintegrability of random variables显示文摘Zechun HU Xue PENG 2018Frontiers of Mathematics in China2018,13,1:1
13Decentralized vehicle-to-grid control for primary frequency regulation considering charging demands显示文摘Liu Hui Hu Zechun Song Yonghua 2013IEEE Transactions on Power Systems2013,28,3:1
14Stochastic optimal reactive power dispatch: Formulation and solution method显示文摘Zechun Hu Xifan Wang Gareth Taylor 2009International Journal of Electrical Power and Energy Systems2009,,6:1
15Rolling optimization of wind farm and energy storage system in electricity markets显示文摘Ding Huajie Hu Zechun Song Yonghua 2015IEEE Transactions on Power Systems2015,30,5:1
16Stochas-tic optimization of the daily operation of wind farm andpumped-hydro-storage plant 显示文摘DING Huajie HU Zechun SONG Yonghua 2012Renewable Energy2012,,48:1
17A probabilistic load flow method considering branch outages显示文摘HU Zechun WANG Xifan 2006IEEE Transactions on Power Systems2006,21,2:1
18Decentralized vehicle- to-grid control for primary frequency regulation considering charging demands 显示文摘Liu Hui Hu Zechun Song Yonghua 2013IEEE Transactions on Power Systems2013,28,3:1
19Convergences of Random Variables Under Sublinear Expectations显示文摘In this note, the authors survey the existing convergence results for random variables under sublinear expectations, and prove some new results. Concretely, under the assumption that the sublinear expectation has the monotone continuity property, the authors prove that convergence in capacity is stronger than convergence in distribution,and give some equivalent characterizations of convergence in distribution. In addition,they give a dominated convergence theorem under sublinear expectations, which may have its own interest.Zechun HU Qianqian ZHOU 2019Chinese Annals of Mathematics,Series B2019,40,1:1
20A hierarchical framework for coordinated charging of plug-in electric vehicles in China显示文摘Xu Zhiwei Su Wencong Hu Zechun 2015IEEE Transactions on Smart Grid2015,,:1
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