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SUN Guangming，ZHNAG Weiguo，ZHOU Jing，LIU Hongpeng
Abstract: The integration of electric boiler and thermal storage system into power system is a feasible schemeto improve system flexibility and wind power consumption. In order to comprehensively consider the multi-agentconfiguration of electric boilers and heat storage systems in different thermal power plants，and ...
更多Number of views：1727 Amount of downloads：1270
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LI Zhen，ZHAO Pengxiang，WANG Nan，CONG Lin，WANG Huiyuan，CAO Yan
Abstract: Exploring the flexibility of the heat and electricity coupling integrated energy system（HEC-IES），reducing system operation costs and promoting renewable energy consumption are hot issues in the field of energyinternet. Thus，a day-ahead optimal scheduling method of the HEC-IES considering the thermal dynami...
更多Number of views：1504 Amount of downloads：1269
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ZHOU Hanying，LIANG Junyu，YANG Jiaquan，GAO Jing，YUAN Xingyu，JIN Xiaolong
Abstract：New energy power generation has strong volatility and randomness，and its large-scale gridconnection seriously affects the stable operation of power grid frequency. The new generation of power system alsorelies on communication network for data transmission，which will consume a lot of network resources and i...
更多Number of views：198 Amount of downloads：1267
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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：922 Amount of downloads：1264
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LI Zewen，FAN Yuanliang，CHEN Weiming，WANG Shaopeng，LIN Jianli，LI Lingfei
Abstract：In the distribution network of the new power system，due to the access of a large number of newenergy power generation devices，the power supply side output of the distribution network becomes unstable andloses control ability. In order to deal with a series of problems such as the difficulty of photovoltaic ...
更多Number of views：245 Amount of downloads：1260
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ZHANG Guoqiang，NIU Ben，YANG Hua，WANG Gaolin，XU Dianguo
Abstract: Maximum torque per ampere（MTPA）control is one of the important methods to improve theefficiency of sensorless drive system of permanent magnet synchronous motor（PMSM）. In the sensorless drivesystem，the traditional calculation method deduces the analytical solution of the optimal current vector angleaccordi...
更多Number of views：1143 Amount of downloads：1257
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YANGYifan，YIN Han，LU Zhiye，YU Xueying
Abstract: In order to solve the problems of large volume and short service life of the traditional electrolyticcapacitor frequency converter，the thin film capacitor was used to replace the electrolytic capacitor to constitute theAC-DC-AC frequency converter without electrolytic capacitor. Aiming at the problem of bu...
更多Number of views：1095 Amount of downloads：1256
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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：1103 Amount of downloads：1243
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GU Zhen，ZHUANG Gewei，HE Qing，ZHOU Lei，AN Bailong，DUAN Yan
Abstract: Accurate identification method of abnormal electricity users can provide reference for power supplyenterprises to lock in electricity theft or other violations of power users. Most abnormal user identification modelsbased on machine learning adopt unsupervised algorithms，but the accuracy of the models is l...
更多Number of views：1830 Amount of downloads：1242
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CHENG Kai，WANG Pengyu，BAO Tao，YU jinyi，ZHANG Zihao
Abstract: The original power system dispatching model is separated from physical model and informationmodel. Establishing a cyber-physical integrated power system dispatching model can fully analyze and explore theregulation ability of adjustable resources，expand the dispatchable space of power system，and enhance th...
更多Number of views：981 Amount of downloads：1240
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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：1036 Amount of downloads：1239
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WU Qing，AN Shaoliang，XU Yixuan，DONG Songsong
Abstract: A quasi-resonant Flyback（QR-Flyback）converter with 65 W output was designed. The valleyswitching principle and the switching loss reduction mechanism of QR-Flyback were analyzed，the frequency andloss characteristics of the system under different working conditions were compared，and the advantages anddisadv...
更多Number of views：997 Amount of downloads：1231
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ZHOU Qi，WANG Chenqing，KONG Xiangping
Abstract：Considering that the problem of voltage fluctuations on the DC side caused by the three-phaseimbalance of the AC grid of the flexible interconnection device，a DC voltage fluctuation suppression strategy forflexible interconnection device based on the Torricelli point was proposed. Firstly，by defining the To...
更多Number of views：1426 Amount of downloads：1229
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LOU Bin，HAI Ying
Abstract：Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large，it can easily affect normal substation and transmission. Therefore，a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
更多Number of views：1001 Amount of downloads：1225
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CHEN Zhong，WU Yongkang，JIANG Yang，WU Fuchao
Abstract：An optimization control strategy based BPA for doubly fed wind turbines under asymmetric faultridethrough was proposed to address the issue of low accuracy of control strategies under asymmetric faults，inorder to obtain more accurate fault control model parameters for doubly fed wind turbines under asymmetr...
更多Number of views：258 Amount of downloads：1224
