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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：997 Amount of downloads：974
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YU Shengcan，YU Tao，FENG Miaoyong
Abstract：Accurately and quickly identifying the fault types of traction transformers is a key technology forintelligent operation and maintenance. Aiming at the problems of single model deviation in the current traditionalalgorithm and the constraints between the iteration rate of complex models and the deployment o...
更多Number of views：992 Amount of downloads：768
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LI Hongqiang，LU Guangming，ZHOU Lei，WEI Yawei，ZHANG Hanhua，MA Jing
Abstract: In order to improve the inertia support ability of grid-connected converter of new energy based onDC capacitor energy virtual inertia control to the power system，an adaptive virtual inertia control method based onlinear quadratic regulator（LQR）was proposed. On the basis of analyzing the dynamic characteris...
更多Number of views：992 Amount of downloads：773
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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：991 Amount of downloads：1289
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HUANG Guanglei，TIAN Qidong，LIN Zhixian，ZHENG Weinan，XU Te，LI Bingran
Abstract：Due to the extensive addition of new energy systems，the number and types of power qualitydisturbances in the system are also increased accordingly. However，the traditional power quality disturbance（PQD）classification method has the problem of low accuracy and efficiency，and it is difficult to adapt to theex...
更多Number of views：991 Amount of downloads：789
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SUN Tao，WANG Tao
Abstract: The semi-bridgeless dual Boost power factor correction（PFC）circuit can obtain higher conversionefficiency without increasing common mode noise，but the return current of the input AC terminal producesadditional losses on the introduced diodes，which reduces the conversion efficiency. The replacement of diode...
更多Number of views：989 Amount of downloads：1438
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LI Xinhai，FAN Dehe，MENG Chenxu，ZENG Lingcheng，YUANTuolai
Abstract: Due to various environmental factors，the relay platen status recognition needs manual inspection fora long time，and the current popular platen image recognition program requires a huge background computingarchitecture，which can not immediately obtain the verification information in the operation site，and s...
更多Number of views：989 Amount of downloads：2152
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ZHANG Junkun，LEI Ertao，JIN Li，MA Kai，XIA Chenyang，WANG Xirui
Abstract：The rapid development of modern power electronics technology promotes the insulated gate bipolartransistor（IGBT）wide range of applications in the AC motor drive，inverter，switching power supply and newenergy industry. In the application process of IGBT，due to the complex and varied circuit topology and syste...
更多Number of views：983 Amount of downloads：1202
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ZHOU Hao，DING Yu，WEI Xu，LI Xuesong，FAN Tianrong
Abstract：With the continuous promotion of the "double carbon" strategy，the reformation of China'selectricity market has entered a new stage，but the overall construction of the electricity market is still in theprimary stage，and there is an urgent need to develop a scientific and feasible regulatory prevention st...
更多Number of views：972 Amount of downloads：1036
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WU Tong，LI Jian，LI Guodong，LIU Lu，ZHU Liguo，FENG Minshan
Abstract: There are many elderly people with limb disorder in China，and exercise rehabilitation technology isan effective means of rehabilitation treatment. However，the serious imbalance of doctor-patient ratio makes itdifficult for everyone to enjoy rehabilitation medical services. Impedance control technology is u...
更多Number of views：970 Amount of downloads：1574
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JING Weiwei，FU Hui，ZHENG Xian，LI Shuangwei，SHI Mingming，ZENG jiang
Abstract：With the accelerated construction of new power system，the harmonic characteristics of power gridare becoming more and more complex. It is of great significance to study the effective statistical management ofharmonic data for evaluating the power quality of power grid. A statistical method of harmonic evalu...
更多Number of views：968 Amount of downloads：844
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LIU Xianyi，SHI Xinghao，JIANG Yikang，PAN Xiumin，QU Le，HUANG Feng
Abstract：Aiming at the problem of low recognition accuracy of electricity stealing behavior，an electricitystealing behavior recognition model based on joint neural network was proposed. Firstly，the acquired userelectricity consumption data was processed，and the user electricity consumption data was two-dimensionally...
更多Number of views：966 Amount of downloads：855
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YUAN Shaowei，LI Yuxiang，JIANG Jie，ZHANG Bei，ZHU Qing
Abstract：In order to solve the problems of intermittent and fluctuating distributed energy，took three majorphysical entities in the demand response project，namely system operator，load aggregator and load end user，as the research object，the transactions between supply and demand within the power system composed by the...
更多Number of views：962 Amount of downloads：984
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ZHU Changlin，TU Qunzhang，JIANG Chengming，WANG Shijiao
Abstract：The synchronization accuracy of a multi-motor speed synchronization system is influenced by themotor control algorithm and synchronization control strategy. In response to the shortcomings of existing controlstrategies，a mid-range deviation coupling control strategy for multi-motor speed synchronization sys...
更多Number of views：954 Amount of downloads：1341
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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：950 Amount of downloads：784
