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MA Xiaoliang
Abstract: Several problems and their solutions of high-performance inverter-fed motor drive systems wereintroduced: the features and some matters needing attention of two- closed-loop systems; how to improve speedfollowing performance during starting and breaking and to improve anti-disturb ability by means of predicti...
更多Number of views：8346 Amount of downloads：4810
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XU Dacheng ，YIN Chunya ，ZHOU Jiayang ，LI Fengting ，LIU Jiangshan
Abstract：To mitigate the fatigue load generated by wind turbine participation in primary frequency regulation，a primary frequency regulation strategy considering the fatigue load of wind turbine was proposed based on themechanical dynamic response characteristics and control device operation characteristics of wind ...
更多Number of views：111 Amount of downloads：115
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LEI Aoyu，SU Tingting，MEI Yong，HUANG Fangneng，WANG Yu，WU Wei
Abstract：In the critical period of the implementation of the strategy of "carbon neutrality，carbon peak"，thefrequency characteristics of the new power system show a series of new characteristics，such as the reduction ofnode inertia level and obvious distribution difference，and the maintenance of frequency stability ...
更多Number of views：99 Amount of downloads：121
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LIU Zhen，ZHU Zimin，WANG Xiaoyun，NAN Dongliang，DUAN Yu，WU Xiaofang
Abstract：As the penetration of renewable energy in power systems increases，converter-based devices aregradually becoming dominant in the grid. In terms of system frequency stability support，grid-forming converters，which can provide both active inertia support and fast frequency response services，hold great potential...
更多Number of views：86 Amount of downloads：105
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HUO Huijuan，LI Peidong，XIN Cheng，LI Weiwei，LU Yanchao，CHEN Tianqiong
Abstract：Under the context of the new power system，the high share of renewable energy brings significantchallenges to the security，stability，and economic operation of the system and the grid. An uncertain optimizationscheduling model for hydrogen storage/electricity-gas integrated energy systems supported by large p...
更多Number of views：117 Amount of downloads：106
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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：91 Amount of downloads：92
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WANG Yihan，FENG Chuanxin，JIN Tao
Abstract：To solve the problem of neutral point voltage imbalance when the three-level neutral point clamped（NPC）inverter works，an improved neutral balance model predictive control（INB-MPC）algorithm was proposed.The proposed method used a two-stage voltage vector selection method with no weighting factors，deleted the...
更多Number of views：89 Amount of downloads：104
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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：97 Amount of downloads：98
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CAO Dayou，LÜ Junmu，BAI Yansong，LI Guorong，ZHOU Yan
Abstract：In order to reduce the carbon emissions of large ships，photovoltaic（PV）power generationtechnology began to be applied to ship power systems. However，due to the limited capacity，low inertia and largeload difference of the ship power system，the traditional virtual synchronous generator（VSG）control strategy ca...
更多Number of views：60 Amount of downloads：47
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CHEN Yong，LI Jianbiao，CHEN Jianfu，PEI Xingyu，WU Hongyuan，HUANG Chunyu
Abstract：The characteristics of the DC side of the DC distribution network are multi bus cascades，multipleconverters，and strong coupling of the buses，which can easily cause harmonic resonance and threaten the safeoperation of system equipment.Aims at the problem of unclear resonance interaction and harmonic transmis...
更多Number of views：68 Amount of downloads：37
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DONG Yue，LI Linwei，LI Feng，ZHAO Xianghua
Abstract：Low frequency transmission was adopted in the sending end of wind power farm，in order to reduceline impedance and charging current of distributed capacitance，improve the static stability limit and transmissioncapacity. Compared with using flexible DC converter valves to send power and connect to grid，modula...
更多Number of views：67 Amount of downloads：37
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WEI Jian，CHEN Jingxin，ZHANG Xinyue，QIU Guangjuan，ZHANG Jiawei
Abstract：High-precision power converters are core components of ultra-precision motor motion controlsystems.Their output current harmonic distortion can cause unnecessary positioning fluctuations in ultra-precisionmotors，severely impacting the precision control system.Total harmonic distortion is an important index ...
更多Number of views：274 Amount of downloads：278
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ZHENG Bining，YAN Dong，SONG Peng，ZHANG Zhen，YAN Yan
Abstract：The structure parameters of dual-stator permanent magnet synchronous motors（DSPMSM）wereoptimized with finite element methodTaguchi method at the rated point，maximum torque point，and maximum speed point，respectively，aiming at the problem of large torque ripple of DSPMSM. The influence onelectromagnetic torqu...
更多Number of views：221 Amount of downloads：234
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QIN Changfeng，YIN Jiang，SONG Shijie
Abstract：In order to solve the problem of parameter estimation in the high-performance control of squirrelcage asynchronous motor，a method for joint parameter identification of asynchronous motors with dual modelsbased on improved whale algorithm was proposed. This method can effectively identify the stator resistan...
更多Number of views：195 Amount of downloads：205
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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：219 Amount of downloads：265
