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HOU Yongquan，MA Lifang，MEI Shuang，WU Bo，WANG Tan，LU Tao
Abstract：In recent years，the use of microinverters has received a lot of attention as one of the viable methodsfor residential and commercial PV power conversion systems. Flyback inverters operating in current continuousconduction mode（CCM）have been widely studied for their low output ripple current，high efficiency，...
更多Number of views：648 Amount of downloads：871
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XIE Jijin，HUANG Wendong，SHEN Kang，LIU Bin，MENG Ningjia，ZHANG Yuanyuan
Abstract：In order to improve the compensation effect of LCL-type shunt active power filter，a frequencyadaptive decimal delay repetitive control based on IIR filter was proposed. The resonance suppression loop of LCLwas designed through root locus and the design result was used as a new control object for repetitive ...
更多Number of views：777 Amount of downloads：870
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LI Nengjun，YANG Haicheng，XU Xianke，LI Shushan，GAO Yuling
Abstract：The state of the DC system of substation is directly related to the normal operation of the substation.A new method for ground fault detection in substation DC systems，which is a combination of double-tree complexwavelet transform and singular value decomposition，was proposed to achieve fast and accurate lo...
更多Number of views：947 Amount of downloads：870
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LI Mingke，ZHONG Jinxing，XUE Yan，XIONG Xiaosheng，LIU Junwei，DENG Lina
Abstract: In order to effectively manage the grid short-circuit current overrun problem，optimization decisionmaking evaluation method of short-circuit current limitation scheme based on hybrid decision model considering asymmetric closeness was designed. Considering the relevant influence of the short-circuit curren...
更多Number of views：955 Amount of downloads：870
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XING Gang，LIU Huihong，WANG Bozhao，SONG Wenyang，LIU Longfei，XU Xiandong
Abstract：To address the need of carbon emission peak and carbon neutrality target on local energy systems，an optimal expansion planning method of heat pump was proposed for regional energy stations considering thebenefits from ancillary services. The method was used to support the integration of new technologies suc...
更多Number of views：831 Amount of downloads：862
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ZHANG Chunxiang，LI Xin，SUN Ning
Abstract：DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device，which is used in low-voltage electricalindustry for DC products for long time delay，short time delay，instantaneous tripping test and sh...
更多Number of views：870 Amount of downloads：857
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FENG Xiang，YU Yue，LI Cheng，ZHENG Wei，LIU Jianhua
Abstract：The traditional ultra high speed permanent magnet synchronous motor（PMSM）driver uses PWMequivalent sine voltage output，which leads to severe motor heating due to large harmonics，and it cannot be used in situations where the input voltage changes over a large range，such as fuel cells. To reduce the heat gene...
更多Number of views：953 Amount of downloads：855
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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：670 Amount of downloads：853
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BAI Luwei，DONG Yongle，ZHANG Lifang，MAO Yongmei，YIN Chao，XI Jia
Abstract：Security is a critical concern that must be addressed in the context of the electric power meteringinternet of things（IoT）. In order to achieve complete isolation between data stored in the public cloud（externalnetwork）and data stored in the private cloud（internal network），while enabling unidirectional comm...
更多Number of views：621 Amount of downloads：853
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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：763 Amount of downloads：843
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QU Chenming，GUO Kunli，BAI Yang，LI Hang，ZHU Tinghua，MA Peng
Abstract：Considering the influence of grid voltage background harmonics in weak current networks，reverseharmonic peaks appear in the grid-connected current under weighted average current control（WACC），making itimpossible for the system to achieve zero pole cancellation and thus affecting the stability of the grid-co...
更多Number of views：753 Amount of downloads：840
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YANG Yidong
Abstract：In the grid load control and planning of distribution network，in order to optimize the grid structureof distribution network，such as line loss，power supply quality and load，a grid load control and planningtechnology based on differential evolution algorithm was proposed. For all kinds of power generation de...
更多Number of views：727 Amount of downloads：840
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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：693 Amount of downloads：837
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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：691 Amount of downloads：836
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HUANG Licai，YANG Xu，ZHANG Jing，LUO Chuanxian，CHEN Jia，ZHANG Guozhi
Abstract：In view of the frequent occurrence of omissions and false alarms of partial discharge insulationdefects in on-site gas insulated switchgear（GIS），the partial discharge multi-source detection test platform was built by using true GIS to carry out the intermittent discharge test of metal contamination defect o...
更多Number of views：770 Amount of downloads：831
