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| 1 | Frequency Support from PMSG-Based Wind Turbines with Reduced DC-Link Voltage Fluctuations显示文摘Frequency droop control is widely used in permanent magnet synchronous generators(PMSGs)based wind turbines(WTs)for grid frequency support.However,under frequency deviations,significant DC-link voltage fluctuations may occur during the transient process due to sudden changes in real power of such WTs.To address this issue,a current feedforward control strategy is proposed for PMSG-based WTs to reduce DC-link voltage fluctuations when the WTs are providing frequency support under grid frequency deviations.Meanwhile,the desired frequency support capability of the PMSG-based WTs can be ensured.Simulation results verify the rationality of the analysis and the effectiveness of the proposed control method. | Jiafa He Linbin Huang Di Wu Chengzhi Zhu Huanhai Xin | 2018 | CES Transactions on Electrical Machines and Systems2018，2，3： | 0 |
| 2 | La2Zr2O7 and MgO co-doped composite Li-Garnet solid electrolyte显示文摘Various solid electrolytes,such as sulfides(10^-3-10^-2 S cm^-1)and oxides(10^-4–10^-3 S cm^-1)are explored and developed to solve the safety problems in commercial Li-ion batteries using liquid flammable electrolytes.Metallic Li anode is required for pursuing high power density(>300 Wh kg^-1)for solid-state batteries[1,2]. | Jiu Lin Linbin Wu Zhen Huang Xiaoxiong Xu Jiheng Liu | 2020 | Journal of Energy Chemistry2020，29，1： | 0 |
| 3 | Performance analysis of a new baseline-based SS-Y extensometer显示文摘In order to solve the problems in the observation with the SS-Y extensometer, such as background noise and discontinuity of earth tide curve, this paper proposed to improve the stability of the instrument and the smoothness of the earth tide curve by improving the baseline structure of the instrument. In this study, a new φ20*1.2 invar tube was introduced in replacement of the existing φ6 invar rod as the baseline of the instrument and compared with the existing φ6 invar rod on the instrument's linearity,sensitivity and other indexes. Firstly, the SS-Y extensometers using φ6 invar rod and cp20*1.2 invar tube were tested. Test results were then calculated, and accuracy errors of the instruments based on the two baselines were obtained. Finally, their accuracy errors and earth tide curves were compared. Results showed that, compared with the extensometer based on the existing φ6 invar rod, the extensometer based on the new φ20*1.2 invar tube was superior in performance, with linearity error reducing to 0.495% from 0.937%, sensitivity increasing to 68.65 mV/μm from 65.46 mV/μm, and earth tide curve growing more stable and continuous. | Linbin Wu Zhaosheng Nie | 2018 | Geodesy and Geodynamics2018，9，5： | 0 |
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