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WAN Jiangkun，SUN Yanchao，SONG Pengyu，NIU Zenong，HUANG Wenxin
Abstract：The traditional three-loop position control applied in the servo system with elasticity causesresidual vibration around the objected position and has long trailing time. To address this issue，a mathematicalmodel of the two-inertia system was established，and the causes of low-damping of the traditional posit...
更多Number of views：1457 Amount of downloads：4163
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YU Jiazheng，ZHANG Zhifeng，SUN Quanzeng，ZHANG Qingyi
Abstract：Aiming at the inherent problems of large common-mode voltage and heavy computation in modelpredictive current control of the six-phase permanent magnet synchronous motor（PMSM），a model predictivecurrent control method for an open-end winding six-phase PMSM was proposed. Firstly，the neutral point of the sixph...
更多Number of views：1457 Amount of downloads：2489
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YANG Le，ZHU Ying，HUANG He，WANG Wei，JIANG Wei，SU Xiaoyun
Abstract：In China，the ascendancy of new energy sources such as photovoltaic and wind power，alongside the proliferation of DC loads within the power system，has propelled hybrid AC/DC distribution networks to theforefront of power distribution system evolution. However，the extant assessment framework for distributionn...
更多Number of views：1454 Amount of downloads：5964
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WANG Pengcheng，PAN Ligang，WANG Yijie
Abstract: The emergence of wireless power transmission（WPT）technology overcomes the strict requirementsof traditional wire transmission process on transmission site conditions，maintenance convenience and security，which has a wide range of application scenarios. In the WPT technology，the misalignment tolerance charac...
更多Number of views：1454 Amount of downloads：2768
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MAO Fang，MIAO Xinzhao，LIANG Qianyuan，TANG Fangwen
Abstract：Compared to partial life cycle assessment，the full life cycle assessment is more complex anduncertain，with the difficulty of comprehensively considering carbon emissions and their multiple influencingfactors at each stage，resulting in fuzzy assessment boundaries and dynamic repetition of the process. To thi...
更多Number of views：1453 Amount of downloads：3992
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WU Qing，AN Shaoliang，XU Yixuan，DONG Songsong
Abstract: A quasi-resonant Flyback（QR-Flyback）converter with 65 W output was designed. The valleyswitching principle and the switching loss reduction mechanism of QR-Flyback were analyzed，the frequency andloss characteristics of the system under different working conditions were compared，and the advantages anddisadv...
更多Number of views：1451 Amount of downloads：2847
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ZHANG Junlin，NI Lianghua，SUN Jia，LÜ Ganyun，ZHANG Jinhua
Abstract：In order to intervale evaluate saddle node bifurcation points（SNB）in a power system during loadgrowth quickly and accurately，a quadratic approximation method to directly calculate the power system voltagecollapse point of was proposed. Based on the approximate quadratic PV-curve of output PQ nodes in the sy...
更多Number of views：1449 Amount of downloads：2754
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ZOU Yingdong，WANG Fengjun，ZHOU Yu
Abstract：This research focused on the separation and calculation of electromagnetic losses in semi-directdrived permanent magnet wind generators（SDDPMWG）. Firstly，analytical method for calculating core loss ofmotor considering harmonic current was derived based on the Bertotti method. The eddy current loss of perman...
更多Number of views：1448 Amount of downloads：3885
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ZHUYanxiang，LIN Hong
Abstract：Aiming at the problem of insufficient frequency modulation capability of direct-driven wind turbineunder traditional virtual inertia control，a control strategy of super capacitor assists direct-driven wind turbineparticipating in frequency modulation was proposed to improve the frequency stability of power ...
更多Number of views：1446 Amount of downloads：3683
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XU Binbin，CHEN Chang，ZHANG Aoyu，WANG Yongqiang
Abstract: In order to study the distribution of magnetic field and temperature field of dry-type transformeriron core more accurately，analyze the influence of different excitation on the magnetic field loss and hot spottemperature rise of dry-type transformer core，firstly，Maxwell was used to calculate the transient ...
更多Number of views：1446 Amount of downloads：3156
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CHENG Kai，WANG Pengyu，BAO Tao，YU jinyi，ZHANG Zihao
Abstract: The original power system dispatching model is separated from physical model and informationmodel. Establishing a cyber-physical integrated power system dispatching model can fully analyze and explore theregulation ability of adjustable resources，expand the dispatchable space of power system，and enhance th...
更多Number of views：1445 Amount of downloads：3008
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WANG Hao，LIU Naisuo，MENG Chao，FAN Ronggui，GONG Junlin，GAO Lianyan
Abstract：In order to solve the problem that the electrical cabinet of the original production and injectionsystem in the same well has a low intelligence level and cannot realize remote monitoring，diagnosis，restart andmaintenance through the network，an intelligent control software for production and injection in the...
更多Number of views：1443 Amount of downloads：5269
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SHI Xuelei
Abstract：Under the power grid dispatch mode of "source follows load"，different AC power supply modes arerequired in the market. To meet market demand，an uninterruptible power supply（UPS）system compatible withvarious AC power supply modes was designed. The modes of the system were selected by switching devices.Accord...
更多Number of views：1441 Amount of downloads：2694
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LI Mingke，ZHONG Jinxing，XUE Yan，XIONG Xiaosheng，LIU Junwei，DENG Lina
Abstract: In order to effectively manage the grid short-circuit current overrun problem，optimization decisionmaking evaluation method of short-circuit current limitation scheme based on hybrid decision model considering asymmetric closeness was designed. Considering the relevant influence of the short-circuit curren...
更多Number of views：1440 Amount of downloads：2569
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QU Chenming，GUO Kunli，BAI Yang，LI Hang，ZHU Tinghua，MA Peng
Abstract：Considering the influence of grid voltage background harmonics in weak current networks，reverseharmonic peaks appear in the grid-connected current under weighted average current control（WACC），making itimpossible for the system to achieve zero pole cancellation and thus affecting the stability of the grid-co...
更多Number of views：1439 Amount of downloads：3774
