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TANG Junyi，DING Biwei，YANG Qi
Abstract: The integration of high proportion of wind power intensifies the uncertainty of power systemoperation. The sufficient flexibility is vital for the safe and reliable operation of the power system. An evaluationmethod of power system flexibility considering wind power prediction interval was proposed. First，...
更多Number of views：1316 Amount of downloads：1840
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TIAN Bin，SUN Quanhui
Abstract: AC/DC switching power supply is the main source of electrical system，its development trend islarge capacity，high power density，high efficiency，low power factor and low harmonic content. However，there are still some common problems with existing digital power supplies，including poor anti-interference abilit...
更多Number of views：1310 Amount of downloads：1832
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ZHUANG Gewei，GU Zhen ，FENG Xiuqing ，DUANYan
Abstract: Automatic verification system of smart meter may be abnormal in the long-term operation process，but the regular manual detection method can not timely learn the risk information，shortening the period of manual inspection will reduce the work efficiency of automatic verification. In most cases，the sample da...
更多Number of views：2859 Amount of downloads：1828
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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：934 Amount of downloads：1823
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SUN Zhenqin，QU Jianhua，ZHANG Zhenzhen，QUAN Xiao，LI Hongbin，TAN Peng
Abstract: In order to improve the measurement accuracy of the position and speed closed-loop of the brushlessDC motor，which is currently used in the attitude control actuator，a new cumulative pulse M/T method wasproposed，based on incremental off-axis magnetic encoder（AS5304A）and TMS570 chip internal integratedenhance...
更多Number of views：1313 Amount of downloads：1819
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WANG Xuli，XU Jiayin，SHEN Yuming，LI Kun，FENG Peiru，JIANG Guifen
Abstract：In order to make full use of the frequency modulation capability of the wind turbines，consideringthat a conventional wind-power coordinated frequency control strategy not only results in some fluctuations in thefrequency of the system，but also requires high energy storage capacity and poor economic efficien...
更多Number of views：810 Amount of downloads：1810
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LI Lingqi，CHENG Zhijiang，GUO Shaokang，XIAO Shihao ，CHEN Xingzhi
Abstract: Aiming at the problem of wind abandonment caused by the contradiction between wind and heatduring the winter heating in the Three-north areas of China，a scheduling strategy for electric heating combinedsystem considering wind power consumption was proposed. Firstly，the "power determined by heat" constraint...
更多Number of views：1054 Amount of downloads：1810
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WANG Yajing，ZHANG Shuai，JIANG Han，SONG Hongliang
Abstract: In order to improve the carrying capacity and resilience margin of the distribution network systemcontaining microgrid，a topological resilience optimization model of the distribution network system containingmicrogrid was established to achieve the resilience optimization objective of the distribution netw...
更多Number of views：1388 Amount of downloads：1806
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XU Shizhou，CHANG Jinhai，FAN Jingsheng，JIA Xinxin
Abstract：A method for establishing edge triggered pulse control switch state time was proposed to address thedivergence of floating capacitor voltage and DC capacitor midpoint voltage in a 5-level active neutral point clamped（ANPC-5L）inverter using the space vector pulse width（SVPWM）algorithm in the g-h coordinate s...
更多Number of views：1041 Amount of downloads：1805
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TANG Lan，HUANG Liwen，WANG Chenglei
Abstract：A K-means clustering algorithm was proposed and a conditional Wasserstein generative adversarialnetwork with gradient penalty（CWGAN-GP）to address the problem of imbalanced photovoltaic generation datacaused by the low occurrence probability of extreme weather. A prediction approach combining bidirectional l...
更多Number of views：721 Amount of downloads：1801
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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：1248 Amount of downloads：1801
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HUANG Zhaobin，ZHANG Zhijian，LONG Tan，HU Bin，LIU Wenlong，WANG Gaolin
Abstract：When the Vienna rectifier is connected to unbalanced loads operating under light load conditions，the slight power difference causes unbalanced voltage of bipolar DC bus，which increases the voltage stress on theswitching device and DC-link capacitance. To solve the above problems，a DC offset reduction of neu...
更多Number of views：1064 Amount of downloads：1799
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ZHOU Jinwei，DING Dawei，JIANG Xuexiang，REN Zhaoting，LI Xizhi
Abstract：Maximum torque per ampere（MTPA）control can effectively improve system efficiency throughreducing copper loss，which is suitable for air conditioning permanent magnet compressor system. However，due to the inverter non-ideal characteristics，the tracking accuracy of the optimal current vector angle decreases. T...
更多Number of views：1414 Amount of downloads：1795
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FANG Qiang，CHENG Zhijiang，YANG Handi
Abstract: For the problem of uneven power output and unbalanced state of charge（SOC）of energy storageunits caused by large-scale integration of distributed generation systems（DGS），such as photovoltaic and windturbine，into the grid，an improved consistency algorithm based on gradient compensation was proposed based on...
更多Number of views：1461 Amount of downloads：1793
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WANG Zhengqi，WEI Wei
Abstract：Flexible multi-state switch（FMSS） is a new type of power electronic device that replacestraditional tie switches and is applied to modern distribution networks. It can optimize the consumption andregulation of distributed power sources in modern distribution networks. The FMSS controlled by VSG is notaffect...
更多Number of views：1465 Amount of downloads：1792
