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| 1 | Analysis on the hourly spatiotemporal complementarities between China's solar and wind energy resources spreading in a wide area显示文摘China is rich in solar and wind energy resources,of which the proportion of China's power sources has been rapidly increasing.Such fluctuating and intermittent energy sources will bring significant challenges to the safe and stable operation power system.However,making use of the spatiotemporal complementarities between different renewable energy resources is a feasible way to level fluctuating power especially when they have a widely geographical dispersion.Based on the data provided by China Meteorological Administration(CMA),this research explores the spatiotemporal complementarities between wind and solar energy resources.This paper nondimensionalizes hourly wind speed and global solar radiation data and employs several indexes to compare the smoothing effect with various combining scenarios.The results show that combining wind and solar powers within a certain area can cause a fall of zero-power or very-full power hours.Besides,combining different resources improves 'smoothness' in power output when compared with that from each individual resource.However,under hourly time scale,when the dispersion of sites is large enough,the smoothing effect of combining the dispersed wind power is very close to the combination of those two different resources.Nevertheless,this complementary effect is much better than that of just combining solar energy resources. | LIU Yi XIAO LiYe WANG HaiFeng DAI ShaoTao QI ZhiPing | 2013 | Chinese Science Bulletin2013，58，7： | 14 |
| 2 | Investigation on the spatiotemporal complementarity of wind energy resources in China显示文摘Wind power resources are abundant in China,especially in northern China and eastern coastal areas of China.Nevertheless,wind energy has intermittent and unstable characteristics,which leads to random power output and limits the large-scale utilization of wind energy resources.It has been shown that geographically dispersed wind plants have obvious spatiotemporal offsetting effect.Power output from each individual site exhibits the power ups and downs.However,when we simulate power lines connecting sites over a certain region,the output from them changes slowly and rarely reaches either very low or full power.Hence using the spatiotemporal complementarity of wind resources effectively is highly beneficial to the smoothing of power supply.This paper investigates the spatiotemporal complementarity of wind resources in China based on the relevant data of wind energy resources,which are offered by China Meteorological Administration(CMA). | LIU Yi XIAO LiYe1,2 WANG HaiFeng LIN LiangZhen DAI ShaoTao | 2012 | Science China(Technological Sciences)2012，55，3： | 12 |
| 3 | Synthesis,characterization,and thermostability of bis(2,2,6,6-tetramethyl-3,5-heptanedionato)copper(Ⅱ)显示文摘Owing to the adaptability to large scale processing,excellent composition control and film uniformity,the metal-organic chemical vapor deposition(MOCVD) technique is a promising process for high-temperature superconductor YBa_2Cu_3O_(7-δ)(YBCO) preparation.In this technique,the evaporation characteristics and thermostability of adopted precursors in whole process will decide the quality and reproducible results of YBCO film.In the present report,bis(2,2,6,6-tetramethyl-3,5-heptanedionato)copper(II)(Cu(TMHD)_2) was synthesized by the interaction of copper acetate hydrate with TMHD in methanol solution,and its structure was identified by FTIR,1 H NMR,and EI-MS spectroscopy.Subsequently,thermal property and the kinetics of decomposition were systematically investigated by nonisothermal thermogravimetric analysis methods(TGA) at different heating rates in streams of N_2,and the average apparent activation energy of evaporation process was evaluated by the Ozawa,Kissinger,and Friedman methods.The possible conversion function was estimated through the Coats-Redfern method to characterize the evaporation patterns and followed a phase boundary reaction mechanism by the contracting area equation with average activation energy of 85.1 kJ·mol_(-1). | ZHANG Teng,GU Hongwei,DING Fazhu,QU Fei,and DAI Shaotao Key Laboratory of Applied Superconductivity,Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China | 2012 | Rare Metals2012，31，4： | 3 |
| 4 | LVRTcapabilityenhancementofDFIG withswitch-typefaultcurrentlimiter显示文摘 | GUO Wenyong XIAO Liye DAI Shaotao | 2015 | IEEETransonIndustrialElectronics2015，62，1： | 1 |
| 5 | Enhancing low- voltage ride-through capability and smoothing output power of DFIG with a superconducting fault-current limiter-magnetic energy storage system显示文摘 | Guo Wenyong Xiao Liye Dai Shaotao | 2012 | IEEE Transactions on Energy Conversion2012，27，2： | 1 |
| 6 | Controlling for outer -diameter of superconducting cable for PF Cable - In - Conduit Conductor of ITER显示文摘 | Yuping Teng Shaotao Dai Zhourong Wei | 2012 | Cryogenics2012，52，12： | 1 |
| 7 | Synthesis, characterization and thermostability of barium β-diketonate with tetraethylenepentamine ligand显示文摘The metal-organic chemical vapor deposition (MOCVD) technique is a promising process for high-temperature superconductor YBa2Cu3O7-δ(YBCO) preparation. In this technique, it is a challenge to obtain barium precursors with high volatility. In addition, the purity, evaporation characteristics and thermostability of adopted precursors in the whole process would decide the quality and reproducible results of YBCO film. In the present report, the barium precursor containing 2,2,6,6-tetramethylheptane-3,5-dionate and tetraethylenepentamine ligands (Ba(TMHD)-tetraen) was synthesized and identified by FTIR, 1H NMR, 13C NMR and ESI-MS spectroscopy. Subsequently the thermal property and the kinetics of decomposition were systematically investigated by combining non-isothermal thermogravimetric analysis methods (TGA), Ozawa, Kissinger and Friedman methods. On the basis of the apparent activation energy of the evaporation process, the thermostability and evaporation characteristics of the precursors were discussed. All results show that Ba(TMHD)-tetraen has higher volatility than Ba(TMHD)2, but it is unstable and highly sensitive to the change of temperature during the whole evaporation process. Therefore, it is very important to choose suitable volatilization technology and conditions for avoiding Ba(TMHD)-tetraen breakdown (or thermal aging) during the MOCVD process. | ZHANG Teng, GU Hongwei, DING Fazhu, QU Fei, and DAI Shaotao Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China | 2012 | Rare Metals2012，31，6： | 0 |
| 8 | Relationship of Microchannels and Plaque Erosion in Patients with ST-Segment Elevation Myocardial Infarction: An Optical Coherence Tomography Study显示文摘Objective:Microchannels are associated with the progression of atherosclerotic vulnerable plaques.However,in patients with culprit optical coherence tomography(OCT)-defined plaque erosion,the knowledge of microchannels and culprit lesion vulnerability is limited.The aim of this study was to investigate culprit lesion characteristics in patients with ST-segment elevated myocardial infarction(STEMI)caused by plaque erosion with and without microchannels using OCT.Methods:In all,348 STEMI patients with plaque erosion who underwent OCT of the culprit lesion at the 2nd Affiliated Hospital of Harbin Medical University(Harbin,China)from August 2014 to December 2017 were included and divided into the microchannel group(n=116,33.3%)and no-microchannel group(n=232,66.7%).The clinical characteristics and OCT-derived plaque features were compared between both groups.Results:Among the 348 STEMI patients with plaque erosion,culprit lesions with microchannels had higher incidence of lipid plaque(59.5%vs.45.3%,P=0.012);calcification(41.4%vs.24.6%,P=0.002);spotty calcification(30.2%vs.18.1%,P=0.014);macrophages accumulation(72.4%vs.45.7%,P<0.001);and cholesterol crystals(32.8%vs.14.2%,P<0.001)than those without microchannels.In addition,minimal lumen area was smaller((1.9±0.9)mm2 vs.(2.8±2.3)mm2,P<0.001)and lumen area stenosis was greater((71.3%±13.4%)vs.(65.3%±19.3%),P=0.001)in the microchannel group than in the no-microchannel group.Conclusion:In patients with STEMI caused by plaque erosion,one-third manifested typical microchannel characteristics,and those with microchannels were associated with more severe luminal stenosis and more vulnerable plaque features than those without microchannels. | Senqing Jiang Junchen Guo Yanwei Yin Chao Fang Jifei Wang Yidan Wang Fangmeng Lei Sibo Sun Xueying Pei Ruyi Jia Shaotao Zhang Lulu Li Yini Wang Lei Xing Huai Yu Huimin Liu Maoen Xu Xuefeng Ren Lijia Ma Guo Wei Jingbo Hou Jiannan Dai Bo Yu | 2022 | Cardiology Discovery2022，2，2： | 0 |
| 9 | Development and test in grid of 630 kVA three-phase high temperature superconducting transformer显示文摘A 630-kVA 10.5 kV/0.4 kV three-phase high temperature superconducting(HTS)power transformer was successfully developed and tested in a live grid.The windings were wound by hermetic stainless steelreinforced multi-filamentary Bi2223/Ag tapes.The structures of primary windings are solenoid with insulation and cooling path among layers,and those of secondary windings consist of double-pancakes connected in parallel.Toroidal cryostat is made from electrical insulating glass fiber reinforced plastics(GFRP)materials with room temperature bore for commercial amorphous alloy core with five limbs.Windings are laid in the toroidal cryostat so that the amorphous core operates at room temperature.An insulation technology of double-half wrapping up the Bi2223/Ag tape with Kapton film is used by a winding machine developed by the authors.Fundamental characteristics of the transformer are obtained by standard short-circuit and no-load tests,and it is shown that the transformer meets operating requirements in a live grid. | Yinshun WANG Xiang ZHAO Junjie HAN Huidong LI Yin GUAN Qing BAO Xi XU Shaotao DAI Naihao SONG Fengyuan ZHANG Liangzhen LIN Liye XIAO | 2009 | Frontiers of Electrical and Electronic Engineering in China2009，4，1： | 0 |
| 10 | Design aspects of transmission voltage superconducting fault current limiters with YBCO tapes in China显示文摘The design progress of superconducting fault current limiter(SFCL)for transmission voltage is presented,with a focus on the results of recent key experiments that have led to a state‐of‐the‐art high‐voltage high‐capacity super‐conducting current limiting techniques:the resistive alternating current(AC)SFCL,saturated iron cores AC SFCL,and resistive direct current(DC)SFCL.The main driving factors for designing SFCL in these projects are the preparation of high‐performance superconducting materials,the development of large‐scale superconducting current limiting winding,system testing,and operation technology.Based on the authors’experience with both AC and DC SFCLs,this paper focuses on the main design aspects of resistive SFCL at transmission voltage.The relationship between the hot spot caused by the inhomogeneity of long superconducting tape and the overall parameter selection is presented.In addition,the thermal calculation based on the current limiting resistance and a real‐time current curve is also proposed for the parameter design of the current limiting winding. | Tao Ma Shaotao Dai Meng Song Jiamin Zhu Jing Zhang | 2022 | Superconductivity2022，，4： | 0 |
| 11 | Simulation of Discharge Plasma in Mid-frequency Pulsed DC Magnetron显示文摘 | QIU Qingquan QU Fei GU Hongwei ZHANG Guomin DAI Shaotao | 2013 | 高电压技术2013，39，10： | 0 |
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