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GUO Jiajun，XU Zhi，ZHAI Baoyu，CHEN Yutian，CHEN Junru
Abstract：Aiming at the low voltage ride through（LVRT）problem of the combined grid-connected systemwith new energy-energy storage under the control of the grid-forming converter，an additional voltage limitercontrol scheme based on the traditional LVRT was proposed. Firstly，the shortcomings of the traditional LVRTstra...
更多Number of views：1113 Amount of downloads：1533
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PENG Daogang，GAO Yimin，QI Erjiang，ZHOU Yang，WANG Yongkun
Abstract: Oil spills from thermal power plants can pollute the drainage outlet，if not dealt with in time，it willalso pollute the river environment. Drainage outlet monitoring is from the angle of depression，therefore it is hard to identify accurately with the rectangular detection frame. Based on the image from the ...
更多Number of views：1269 Amount of downloads：1526
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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：908 Amount of downloads：1523
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HE Wei，ZHAO Weizhe，RAO Zhen，LI Jia，SHAN Wenliang
Abstract: Along with the promotion of carbon neutrality and clean heating in countryside areas，operationalflexibility plays a more important role in electric power systems. Following this trend，a novel method was proposedfor evaluating the flexibility of biogas driven combined heat and power（CHP）considering the ther...
更多Number of views：1461 Amount of downloads：1522
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ZHANG Mingke，QIU Xiaoyan，SUN Xu，ZHANG Zhirong，REN Hao
Abstract: The growing electric vehicle（EV）charging load will produce significant impact on safe operationof distribution networks. The accommodation capability of EV charging load in traditional AC distributionnetworks is limited. AC/DC distribution networks with multi-terminal voltage source converter interconnecti...
更多Number of views：2853 Amount of downloads：1522
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YANG Tianxiang，CHENG Zhijiang，YANG Handi，TIAN Feng
Abstract: Aiming at the demand of intelligent coal mine and exit problem of underground coal mine powernetwork，an energy storage hybrid distribution transformer based on modular multilevel converter（MMC-HDT）was proposed. Firstly，the proposed energy storage MMC-HDT was modeled and four operation modes were givenconsi...
更多Number of views：1180 Amount of downloads：1521
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WANG Junlong，QIAN Xujun，LI Yongxiang，WANG Shouchang
Abstract: It is well known that the power system operation process will appear to require explicit justprediction difficulties and other problems，the power system operation reliability prediction model based oncontinuous collaborative machine learning algorithm was constructed.First，the continuous collaborative mach...
更多Number of views：1515 Amount of downloads：1521
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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：1446 Amount of downloads：1520
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YIN Xiang，ZHANG Xiaojun，FENG Xinjia，CHENG Shi，TAO Yuxin，XIAYuande
Abstract：As the penetration rate of new energy and power electronic equipment increases，the inertia anddamping of the power system decrease，and the stability decreases.The grid-forming control technology builds avoltage source to support the stable operation of the large power grid through the converter，so as to pla...
更多Number of views：1491 Amount of downloads：1518
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YANG Yanfang，LIANG Zhonghao，ZHANG Meiling，LIU Jiayi
Abstract: Aiming at the problem of low accuracy and comprehensiveness of current identification methods，amethod of reverse power anomaly identification in digital electric energy meter information sampling was proposed.Through the data acquisition system，the digital electric energy meter information sampling work was...
更多Number of views：1486 Amount of downloads：1516
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ZHANG Kuangyi，LIU Haitao，MA Bingtai，ZHANG Chengyu
Abstract: There are many fault distributions along the actual distribution network lines，but the existingvoltage sag stochastic assessment methods only consider the uniform fault distribution. According to the differentfault distribution characteristics along the line，a stochastic assessment method of voltage sag wa...
更多Number of views：1518 Amount of downloads：1515
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GUO Yanhui，LI Hao，LUO Min，CHEN Jie
Abstract：In power electronic devices，the supporting capacitor is a crucial component. To ensure the safety ofthe system，monitoring the status of the capacitor is particularly important. A neural network approach wasemployed，and analyzing the correlation between control strategies and circuit topology parameters to d...
更多Number of views：387 Amount of downloads：1509
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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：1102 Amount of downloads：1508
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XU Hai，MI Yanqing，WANG Yanyang，XU Zhipeng
Abstract：Permanent magnet synchronous motor（PMSM）has the advantages of fast dynamic response，highpower density，and high torque at low speed，but the temperature variation and complex working conditions willcause the variation of PMSM parameters，thus affect motor performance and reduce the output efficiency. Toaddress...
更多Number of views：932 Amount of downloads：1505
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WAN Xiaojian，WAN Zibo
Abstract：A rotor position detection strategy based on virtual neutral point was proposed to realize positionsensorless control of BLDC motor. Through the three-phase terminal voltage with the same value of three resistancesstar connection to construct a virtual neutral point，the relationship between the virtual neut...
更多Number of views：1533 Amount of downloads：1505
