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FANG Lei，XU Jun，ZHAO Yi，XING Xiaofan，MAO Huan
Abstract：The traditional technical line loss prediction method of low voltage station area has some problems，such as relatively extensive calculation，requiring underlying physical topology，and relying on influencecharacteristic data. In recent years，a technical line loss and meter error joint estimation technical ro...
更多Number of views：2590 Amount of downloads：9502
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YANG Chongwei，LIANG Xu，MAO Lan
Abstract: After a large-scale and high proportion of photovoltaic power generation is connected to the lowvoltage distribution network system，it will most likely cause the system power flow reversal，resulting in the out of limit voltage of each node of the system and the increase of system loss. First，using the line...
更多Number of views：5623 Amount of downloads：9495
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TANG Weifeng，WANG Changjiang
Abstract: In the motor controller of new energy vehicles，due to insufficient current capacity，high cost，andlimited heat dissipation capacity，parallel power devices are often used to extend current capability of power inverter for EV applications. Current imbalance can be caused by device parameter tolerances，parasit...
更多Number of views：4083 Amount of downloads：9488
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FANG Biwu，XIAO Liang ，SUN Cheng，CHEN Yiping，XUE Yanjun，ZHANG Deliang
Abstract: In order to improve the absorption capacity of clean energy and make full use of the peak regulationresources of each province，the peak regulation capacity of different types of power sources was studied，and aregional power grid optimization dispatching method considering the mutual aid of peak regulation ...
更多Number of views：4991 Amount of downloads：9463
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LI Yajun，HE Shan，HU Bing，XIE Shaohua
Abstract：Aiming at the problems of high investment cost，low efficiency of electrolyzer operation and highfluctuation of power input in the new energy electrolytic water to hydrogen microgrid system，the scenery hydrogen production capacity configuration scheme with the installation cost of microgrid equipment and the...
更多Number of views：2182 Amount of downloads：9453
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ZHANG Yunquan，CHEN Xuanang，GUO Xiaorui，WEN An，YE Run
Abstract：To address issues like overcurrent，power oscillations，and insufficient dynamic response intraditional virtual synchronous generator（VSG）control during grid voltage sags，an improved VSG- low voltageride through（LVRT）mode-switching control strategy for grid-forming inverters was proposed. The strategydynamica...
更多Number of views：2382 Amount of downloads：9452
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LIU Xue，ZHAO Lu，MA Chengyao，FAN Enze，GE Qiongxuan
Abstract：High-frequency transformers are an essential component in series-resonant DC/DC converters，andtheir stable operation has a decisive impact on the reliability，efficiency，and power density of power supplysystems. Nanocrystalline magnetic cores are widely used due to their advantages of high saturation magneti...
更多Number of views：2550 Amount of downloads：9431
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JIA Dexiang，ZHONG Cheng，LIU Zhanjie，ZHENG Houqing，GUO Yang
Abstract: Photovoltaic（PV）generation usually operates in maximum power point tracking（MPPT）mode，which cannot provide inertia and frequency support for the power system. Virtual synchronous generator（VSG）control is an attractive control method that can provide the similar behavior of synchronous generator（SG）.However...
更多Number of views：2773 Amount of downloads：9416
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JIA Junqing，LÜ Chao，LIU Dinghua，XU Hao
Abstract: With the rapid development of artificial intelligence algorithms，convolutional neural networks withfewer layers have been used in distribution network overvoltage recognition. The deep-level network has a higherrecognition rate，but requires a large number of data samples. At present，the amount of data in t...
更多Number of views：5690 Amount of downloads：9414
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ZOU Yingdong，WANG Fengjun，ZHOU Yu
Abstract：This research focused on the separation and calculation of electromagnetic losses in semi-directdrived permanent magnet wind generators（SDDPMWG）. Firstly，analytical method for calculating core loss ofmotor considering harmonic current was derived based on the Bertotti method. The eddy current loss of perman...
更多Number of views：2482 Amount of downloads：9398
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WANG Shijun，HAO Quan，LI Wenlong
Abstract: In view of the problems of unstable operation waveforms，high output current stress andinstantaneous fluctuation difference of load in the current sharing control of two-way DC-DC converter in flexiblesubstation，a method of independent current sharing control of two-way DC-DC converter in flexible substatio...
更多Number of views：4755 Amount of downloads：9398
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LUO Lan，WANG Yuhong，SONG Ruihua，BI Jingtian，CHEN Shiyu，WAN Liangbin
Abstract: In the multi terminal flexible direct current（DC）transmission system，the flexible direct inner andouter loop control can not provide inertial support for the receiving end passive network. Traditional virtualsynchronous generator（TVSG）control can provide inertia support for passive network，but it can only ...
更多Number of views：4742 Amount of downloads：9381
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ZHAO Yifu，ZHANG Guangbin
Abstract：In response to the existing problems of traditional diode based clamp type wind turbine inverters，ahybrid clamp type structure was introduced. Based on the analysis of its working principle，a method for switchingthe switch state and a vector optimization selection method that can avoid modulation waveform b...
更多Number of views：2573 Amount of downloads：9372
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LU Wentao，DOU Sheng，CHEN Liangliang，YANG Fengkun，ZHOU Ruichao
Abstract：To realize the real-time charging guidance of electric vehicles and improve the charging efficiency ofcharging stations，a real-time charging guidance strategy for electric vehicles based on hierarchical deepreinforcement learning was proposed. Considering the mutual coupling characteristics of vehicle-stati...
更多Number of views：1917 Amount of downloads：9371
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ZHU Yuanzhe，WANG Ling，WU Zhengrong，LÜ Hong，XIAO Fan
Abstract：In order to further improve the output performance and efficiency of the converter，a grid-connectedconverter based on heterogeneous device mixing was proposed，referred to as heterogeneous grid-connectedconverter（HGCC）. The HGCC consists of two half-bridge modules based on SiC MOSFET devices，which arecross-c...
更多Number of views：2159 Amount of downloads：9364
