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MA Zun，CHEN Haoying，DENG Can，CHEN Yong，GUAN Lin
Abstract：The development of modern power systems with wide span，low inertia，and complex structuremakes the frequency stability problem increasingly prominent，and the spatial-temporal distribution characteristicsof frequency are distinct. Taking the actual power grid as the object，the impacts of large-scale new energ...
更多Number of views：418 Amount of downloads：325
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DI Ya，ZHANG Jinhua，QIAN Yang
Abstract：In DC power grid，when serious metallic short circuit fault occurs in the DC side line of voltagesource converter（VSC），the fault current has the characteristics of a fast rising speed and a large peak. The DCcircuit breaker is used to isolate the fault，which greatly increases the requirements for the quick a...
更多Number of views：426 Amount of downloads：323
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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：380 Amount of downloads：322
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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：325 Amount of downloads：322
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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：363 Amount of downloads：321
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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：452 Amount of downloads：315
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QIU Shuming，ZHAO Bin，CHEN Kuilin，CHEN Zhibin，LI Chao
Abstract：An anti-interference domestic variable frequency multi-drive system solution for the five-standcontinuous cold rolling line in the steel strip cold rolling field was presented. Firstly，the mechanical equipmentand rolling process of the 900 mm five-stand continuous rolling line was introduced，and matched the...
更多Number of views：520 Amount of downloads：313
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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：403 Amount of downloads：312
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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：442 Amount of downloads：308
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FANG Lei，XU Jun，ZHAO Yi，XING Xiaofan，MAO Huan
Abstract：The traditional technical line loss prediction method of low voltage station area has some problems，such as relatively extensive calculation，requiring underlying physical topology，and relying on influencecharacteristic data. In recent years，a technical line loss and meter error joint estimation technical ro...
更多Number of views：420 Amount of downloads：306
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LUO Meiling，HAN Zhongxiu，YU Xiaojun，WU Jianyun，HUANG Weibing
Abstract：The islanding detection method is a necessary method for grid-connected PV systems，but，thecurrent islanding detection method is prone to misjudgement when encountering grid operation states such as highresistance short-circuit ground faults and large-capacity load casting. For this reason，an islanding detec...
更多Number of views：341 Amount of downloads：300
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XIONG Wei，CHEN Long，LÜ Shunli，GUO Zhenyu，LU Xin
Abstract：To address the complexities of transformer condition assessment indicators and the overreliance onexpert judgment in the evaluation process，a novel method for fuzzy comprehensive assessment of transformercondition was introduced，which is based on gaming theory and an improved version of the D-S evidence the...
更多Number of views：454 Amount of downloads：297
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MIAO Haidong，ZHANG Qing，YAN Yong，ZHANG Lina，HUO Tingting，HAN Linjie
Abstract：In order to eliminate the problem of low inertia and large frequency fluctuation in wind power gridconnected system when power disturbance occurs，an improved virtual inertia control strategy was proposed. Acooperative control strategy of adaptive moment of inertia and damping coefficient was introduced in t...
更多Number of views：332 Amount of downloads：295
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WANG Yi，JIA Hongbo，WANG Cong，ZHANG Lihui，YANG Minghao，LI Baohui
Abstract：It is an important means to improve the anti-G ability of pilots to simulate the flight G-loadcharacteristics of aircraft in full envelop flight on the ground through centrifuge. With the great improvement ofmaneuvering performance of manned aircraft，it is extremely difficult to accurately analyze its fligh...
更多Number of views：437 Amount of downloads：291
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GENG Likai，HOU Juan，ZHANG Chunxiang，HU Wenying，LI Wenhua，LI Cuijuan
Abstract：Thermal and magnetic protection circuit breakers provided short circuit protection by instantaneoustripping devices. In the magnetic field formed by the coil with current，the moving armature and stationary coreovercomed the spring force and engage under the influence of electromagnetic force，thereby pushing...
更多Number of views：484 Amount of downloads：290
