-
LI Juan，WEI Yalong，ZHANG Shiqian，GONG Peijiao
Abstract：A three-phase four-wire energy storage type low-voltage control device with the function of gridvoltage unbalance compensation was designed. Firstly，a control method based on active voltage droop and constant power factor was introduced in detail to solve the problem of low voltage at the terminal of substa...
更多Number of views：2020 Amount of downloads：5453
-
YE Hai
Abstract: Flexible DC power grid is an important way for efficient transmission of various types of renewableenergy. How to design an efficient reclosing strategy to make it have the ability of rapid recovery after fault is a keyproblem to improve the stability of the whole AC/DC power grid. According to the working...
更多Number of views：3912 Amount of downloads：5443
-
YU Jiazheng，ZHANG Zhifeng，SUN Quanzeng，ZHANG Qingyi
Abstract：Aiming at the inherent problems of large common-mode voltage and heavy computation in modelpredictive current control of the six-phase permanent magnet synchronous motor（PMSM），a model predictivecurrent control method for an open-end winding six-phase PMSM was proposed. Firstly，the neutral point of the sixph...
更多Number of views：1962 Amount of downloads：5440
-
FU Yang，SIMA Chao，TIAN Shuxin，CAI Pengcheng，GU Jiping，LIU Shu
Abstract: Expected fault screening of smart distribution network is an important basis for system security situation assessment. In order to comprehensively and accurately perceive the security risk of smart distributionnetwork，a micro-synchronous phasor measurement unit（μPMU）with real-time，synchronicity，accuracy an...
更多Number of views：3003 Amount of downloads：5436
-
SU Qili，LIU Jiayi，RUAN Peng，ZHANG Liuli，ZHAO Yayi，XIAO Qian
Abstract：With the large-scale access of a high proportion of new energy，the frequency and voltage stabilityof the distribution network has significantly decreased. Therefore，an optimal configuration method for energystorage in the distribution network considering the improvement of frequency-voltage stability was pr...
更多Number of views：1005 Amount of downloads：5435
-
ZHAO Faping，SHE Yanjie，SUN Huanyu，BU Xiangzhou，BAI Tao
Abstract：A sliding mode linear self disturbance rejection control strategy was proposed to address the outputvoltage fluctuations caused by sudden load changes，changes in DC bus voltage，disturbance addition，and otherdisturbances in three-phase interleaved parallel DC-DC converters. Firstly，a mathematical model of th...
更多Number of views：1474 Amount of downloads：5423
-
ZHANG Xiangqian，CHE Chaochang，LI Fengsheng，YU Shipeng，LEI Hui
Abstract: As an important part of power electronic power conversion device，auxiliary power supply is facedwith the application demand of high voltage and wide range in DC transmission，solar power station，wind powerstation and other systems. Aiming at the problems of switch stress，cost and efficiency caused by high v...
更多Number of views：2112 Amount of downloads：5416
-
LI Zhijuan，WU Dan，LEI Ting，WANG Ning，DUAN Yan，MA Hongen
Abstract: Aiming at the problems of frequent failures and untimely maintenance of DC charging pile，a faultearly warning method of DC charging pile based on soft classification model was proposed. Based on the currentsequence and voltage sequence of the charging pile in the charging process，the differential sequence o...
更多Number of views：2015 Amount of downloads：5416
-
LIU Detao
Abstract: Due to the inaccurate power deviation and network loss results obtained by the energy storage powercontrol of the multi-source distribution network，the power control results are not ideal. A rational control method of energy storage power in multi-source distribution network based on ant colony algorithm w...
更多Number of views：2003 Amount of downloads：5403
-
HAN Shaohua，MAO Wangqing，GE Xuan，XU Lei，CHEN Ken，LIANG Rui
Abstract：Compared with large photovoltaic systems with isolation transformers，distributed photovoltaicsystems have small power and volume. In order to improve efficiency，non-insulated inverters are often used indesign，but photovoltaic leakage current endangering system safety is also generated. Taking the single-pha...
更多Number of views：1438 Amount of downloads：5398
-
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：1978 Amount of downloads：5394
-
TANG Junyi，DONG Xuetao，QIN Yanhui
Abstract: The large-scale grid connection of renewable energy with strong randomness and volatility and thenet load fluctuation caused by time sequence put forward higher requirements for the operation flexibility of powersystem. In order to quantitatively evaluate the operation flexibility capacity of power system，...
更多Number of views：1856 Amount of downloads：5392
-
LEI Aoyu ，LI Jun ，MEI Yong ，TONG Ning ，WANG Yu ，WU Wei
Abstract：The stability analysis of power system transient voltage，power angle，and frequency is often basedon short-time-scale electromechanical transient simulation，which requires a relatively accurate large-scalesimulation model，which not only has low simulation efficiency but also takes a long time，thus giving ris...
更多Number of views：1748 Amount of downloads：5384
-
YAN Wei，MENG Jianhong，WANG Haochong，WANG Wei
Abstract：In low-temperature environments，the electrochemical reaction kinetics of lithium-ion batteriesbecome hindered，leading to accelerated capacity decay and increased internal resistance，which severely impactstheir lifespan and safety. To achieve non-destructive estimation of internal aging，a battery internal ag...
更多Number of views：1145 Amount of downloads：5369
-
HU Xiaoyu，ZHOU Yuanxiang，CHEN Jianning，ZHAO Yunzhou，LIU Jun
Abstract: As a new type of insulating oil in the power industry，natural gas insulating oil is excepted to solvethe bottleneck problem of high-quality transformer oil's insufficient supply in the future. However，its electricalparameters including partial discharge withstand strength and sweep frequency spectrum c...
更多Number of views：3342 Amount of downloads：5359
