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LÜ Zhengyu，ZHOU Liang
Abstract: In the process of controlling the voltage of active distribution network，there are problems of poorvoltage control effect and low efficiency. A two-stage automatic voltage control method of active distributionnetwork considering load measurement was proposed. Using the probability density function （PDF） cu...
更多Number of views：808 Amount of downloads：587
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LIU Hao，WEI Lixin，YOU Lichun
Abstract: Due to the particularity of its application，offshore drilling rig has higher requirements for thestability and control accuracy of the control signal. Aiming at the situation that the signal in the electronic controlsystem of offshore drilling rig is greatly disturbed by noise，a PID control signal optimiza...
更多Number of views：795 Amount of downloads：583
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LIU Dong
Abstract: Focus on the stator winding insulation and voltage oscillation of variable frequency motor，thetransition process of the pulse voltage output by the frequency converter in the transmission path of stator windings，frequency conversion cables，reactors，etc was analyzed，the voltage equivalent mathematical model...
更多Number of views：638 Amount of downloads：580
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GUO Jiahao，YANG Xiong，FANG Xin，GUAN Jiamin
Abstract: The secondary voltage signal output by electronic capacitive voltage transformer in the primary andsecondary fusion equipment is very weak，which is easy to be interfered by high-order harmonics，resulting inunstable signal transmission. In order to solve these problems，a high-order and high-precision filter...
更多Number of views：840 Amount of downloads：579
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JIANG Wenhui，LIN Dong，YU Li，CHEN Bo，CHEN Yumin
Abstract: The voltage stability of power grid was briefly introduced，and the measurement method of voltagestability of phasor measurement unit（PMU）based on state estimation was proposed. This method mainly aims atthe voltage change caused by the load rate change. The voltage stability under different load conditions...
更多Number of views：589 Amount of downloads：575
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SONG Pengfei，WANG Maxiang，YANG Guixing，LI Jichen，KANG Pengpeng，WEN Shenghan
Abstract：To enhance the economic and operational flexibility of accompanying energy storage facilities innew energy power stations，as well as to improve the stability of supplying electricity directly to large users and thegrid-friendliness of large-scale new energy power stations，a two-stage robust configuration an...
更多Number of views：393 Amount of downloads：570
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FU Chen，FEI Fei，WANG Jianjun，GUO Mingxing，LIN Shunfu，ZHANG Qi
Abstract：Making full use of the regulation of flexible resources can effectively suppress the fluctuation ofrenewable energy generation and ensure the economic and safe operation of power system. An optimal dispatchingmethod for power system considering the flexibility of battery energy storage systems（BESS）and pump...
更多Number of views：835 Amount of downloads：566
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LI Wei，LUO Cheng，YANG Kai，WANG Xuming，QIU Lingfeng，HUANG Yuhao
Abstract：When the permanent magnet assisted synchronous reluctance motor（PMaSynRM）runs at highspeed with flux-weakening control，the DC bus voltage utilization is not high，and the efficiency and torque output capacity of the motor are low. Therefore，a flux-weakening control strategy of permanent magnet assistedsynchr...
更多Number of views：910 Amount of downloads：561
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WU Jiawei
Abstract：Electrically assisted manufacturing（EAM）is a promising and rapidly developing metal processingmethod.The power supply is a key sub-system for EAM，which needs to be designed properly. the model-baseddesign of a low-voltage high-current pulse power supply used for EAM was proposed based on converter-levelelec...
更多Number of views：638 Amount of downloads：555
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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：441 Amount of downloads：553
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ZHANG Jun，GONG Min，ZHOU Yi，XIE June，CAO Lei，LIU Yingying
Abstract：In traditional current protection，the effective value of current is compared with the setting value toidentify the fault which is the typical protection scheme for the transmission lines of the power distribution systems.The current is calculated by the fast Fourier transform algorithm. As the calculation o...
更多Number of views：755 Amount of downloads：549
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TIAN Jiabin，YANG Chuanjiang，LI Junda，GU Jiateng，ZHANG Zhenbin
Abstract: The doubly-fed induction generator（DFIG）is the mainstream model in the wind power market.Since there are multiple time-scale control objectives in the wind turbine，it is difficult for conventional linearcontrol methods to optimize the multi-objective. Model predictive control（MPC）is an effective method for...
更多Number of views：697 Amount of downloads：548
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LIANG Zhen，WANG Yong，BAI Haibin，ZHANG Zhiyu，SUN Qianhao，CUI Bin
Abstract: Based on full-bridge（FB）and half-bridge（HB）sub-modules（SMs），the conventional hybridmodular multievel converter（MMC）is a typical topology of MMC with DC fault clearing ability. However，theproportion of FB SMs in conventional hybrid MMC is usually greater than 50%，so as to increase the cost andlosses. To sol...
更多Number of views：522 Amount of downloads：546
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LI Gang，XU Bin，WANG Xiaoming，ZHAO Wenguang，FANG Zhao，WU Hongbin
Abstract: The distributed control strategy of the distribution network with distributed generation is expected tosolve the voltage control problem of the distribution network. However，distributed generation are loosely distributed in space，and communication problems such as communication delay and packet loss betwee...
更多Number of views：676 Amount of downloads：543
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FAN Enze，LI Yaohua，GE Qiongxuan，ZHAO Lu
Abstract：Under digital control，the inner current loop of the LC-type inverter is affected by the control delay，which leads to the weakening of its active damping effect. Increasing the sampling control frequency can effectivelyreduce the negative influence of digital control delay. Furthermore，in order to suppress t...
更多Number of views：842 Amount of downloads：540
