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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：7863 Amount of downloads：4346
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ZHOU Ning
Abstract：Focusing on the central position of AC power frequency converter in the development of the nationaleconomy，emphasizingd their critical impact on the safety and efficiency of industrial production. In view of the rapid development of power electronics technology，the field of AC power frequency converter has ...
更多Number of views：96 Amount of downloads：163
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ZHANG Mingqi，YE Hong，LIANG Hao，ZHAO Bo，WANG Chao，WANG Kui
Abstract：Aiming at the problem that the circulating currents analysis of modular multilevel matrix converter（M3C）is not deep enough and the frequency component of circulating currents is not clear，the coupling process of submodule capacitor voltage fluctuation，bridge voltage fluctuation and circulating currents in M...
更多Number of views：81 Amount of downloads：167
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SHEN Yuming，GUI Xu，JIANG Guifen，XU Jiayin，FENG Peiru，LI Kun
Abstract：As the penetration rate of new energy in the power system continues to increase，the large-scale gridconnection of wind power is one of the important factors affecting the stable frequency operation of the powersystem. Configuring energy storage can provide transient frequency support for the system，improve ...
更多Number of views：85 Amount of downloads：194
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LEI Aoyu ，LI Jun ，MEI Yong ，TONG Ning ，WANG Yu ，WU Wei
Abstract：The stability analysis of power system transient voltage，power angle，and frequency is often basedon short-time-scale electromechanical transient simulation，which requires a relatively accurate large-scalesimulation model，which not only has low simulation efficiency but also takes a long time，thus giving ris...
更多Number of views：89 Amount of downloads：199
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XIANG Zhiping，MAYuhe，GAO Jian
Abstract：In order to reduce the loss of electric energy in the process of energy conversion and improve theenergy efficiency of aluminum air battery，an energy efficiency model based on the internal resistancecharacteristics of aluminum air battery was established，and the variations of operating conditions（operatingt...
更多Number of views：92 Amount of downloads：195
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SUN Jia，HAN Shuntian，NI Lianghua，LÜ Ganyun
Abstract：While a large number of distributed generator（DG）keep penetrating into distribution networks，the problems such as voltage violation and network power congestion become more and more serious. Soft open point （SOP）can quickly achieve flexible interconnection and accurate power flow control，effectively address...
更多Number of views：83 Amount of downloads：205
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XU Zhance，XU Wei
Abstract：Aiming at the problem that the photovoltaic grid-connected inverter system operates under multipledisturbances，an linear active disturbance rejection control（LADRC）grid-connected strategy combined withphotovoltaic system was proposed. Firstly，the dynamic process of PV grid-connected system was analyzed andm...
更多Number of views：81 Amount of downloads：170
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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：25 Amount of downloads：25
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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：32 Amount of downloads：24
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GE Yaming，ZHOU Chenbin，MENG Yihua，SHEN Jiaoxiao，CAO Haiou，REN Xuchao
Abstract：With the accelerated construction of new power systems，the scale and complexity of transmissionsystems are constantly increasing. Therefore，it is urgent to study transmission line fault diagnosis algorithms thatutilize multi-source data as driving sources and meet requirements for accuracy and low time cons...
更多Number of views：30 Amount of downloads：24
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YAN Kun，GAN Jingfu，LIU Hongshun，SUI Yizhen，HE Pengkang
Abstract：A fusion prediction method was proposed to predict and correct the calculation deviation of the toptransformer oil temperature model in IEEE guideline，so as to realize the more precise prediction of the transformertop oil temperature（TOT）. Firstly，the characteristics of the transformer TOT model and the ext...
更多Number of views：23 Amount of downloads：28
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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：28 Amount of downloads：21
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WANG Yingjie，ZHOU Hailan，CHEN Yongfa，BAI Feiying
Abstract：When the switching frequency of the four-quadrant rectifiers in different multiple units deviates，thecurrent will experience low-frequency oscillation，which is not conducive to the operation of the traction powergrid. Therefore，a matrix small-signal modeling method for SPWM comparators was proposed to analy...
更多Number of views：248 Amount of downloads：242
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ZHANG Rui，XIAYan，HUANG Guiping，CHEN Renzhao，YANG Yili
Abstract：Aiming at the poor robustness and system vibration problem of asynchronous motors under thetraditional sliding mode control，a variability coefficient power exponent reaching law（VCPERL）was proposed todynamically change the control coefficients according to the position of the sliding mode surface，and the sl...
更多Number of views：257 Amount of downloads：290
