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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：174 Amount of downloads：114
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LI Jiayu，HAN Yuan，WANG Jianjun，PAN Yue
Abstract：Modular multilevel matrix converter（M3C）is a multilevel topology that can directly realize ACACconversion，which has good application prospects in high-voltage transmission systems and DC distributionsystems，but the existence of bridge-arm circulating channels inside the M3C leads to a very complex controlst...
更多Number of views：134 Amount of downloads：112
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SUN Yueyue，LI Mengda，PEI Guangyao，ZHU Hanghang，NING Han
Abstract：Since the compressed air energy storage system grid-connected inverter voltage is always influencedby voltage fluctuations of the power grid with little problem，for the sake of ameliorating the dynamic and stableperformance of the DC bus voltage of the inverter on the side of the grid and the actual output ...
更多Number of views：107 Amount of downloads：149
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ZHANG Mingqi，YE Hong，LIANG Hao，ZHAO Bo，WANG Chao，WANG Kui
Abstract：Aiming at the problem that the circulating currents analysis of modular multilevel matrix converter（M3C）is not deep enough and the frequency component of circulating currents is not clear，the coupling process of submodule capacitor voltage fluctuation，bridge voltage fluctuation and circulating currents in M...
更多Number of views：193 Amount of downloads：268
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LIU Qiwei，ZENG Jiang
Abstract：In view of the need to test the operation of power electronic equipment under various workingconditions in the current new power system，a control strategy using linear auto-disturbance rejection technologywas proposed to study the power grid simulator with line impedance simulation function. On this basis，i...
更多Number of views：291 Amount of downloads：329
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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：262 Amount of downloads：386
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ZHANG Junkun，LEI Ertao，JIN Li，MA Kai，XIA Chenyang，WANG Xirui
Abstract：The rapid development of modern power electronics technology promotes the insulated gate bipolartransistor（IGBT）wide range of applications in the AC motor drive，inverter，switching power supply and newenergy industry. In the application process of IGBT，due to the complex and varied circuit topology and syste...
更多Number of views：353 Amount of downloads：378
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WU Yue
Abstract：The problem of AC train passing neutral section can be solved by ground's flexible passing neutralsection method. However，for multisystem electric locomotives，the switching of power supply system in neutralzone is much more complicated，but there is little research at present. Based on the approach of ve...
更多Number of views：276 Amount of downloads：321
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DONG Lizhi，ZHAI Bingcong，WANG Kaifeng，JIA Xuecui
Abstract：When multiple energy storage units are connected to an energy storage station by the powerelectronic converter，the interaction and coupling effect bring challenges to the stable operation of the system. Thesmall-signal model of the parallel storage system was established. The stability analysis was carried ...
更多Number of views：295 Amount of downloads：182
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ZHANG Junling，YIN Peng，WANG Jiwei，LONG Mengjiao
Abstract：Relay coil is an effective method to improve the performance of wireless power transmission. Butthe selection of relay coil position is usually based on experience. To elucidate the mechanism of the impact of relaycoils on system performance，the port impedance differences between typical two-coil and relay-...
更多Number of views：265 Amount of downloads：187
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CHEN Xuling，LIU Cheng，XU Xinwei，DONG Shuo，TIAN Ting
Abstract：Taking the planar rotation mechanism as an example，a magnetic coupling wireless powertransmission system was designed and studied from two perspectives：the spatial structure of the coils and theresonant compensation circuit. This system aimed to reduce the voltage fluctuations caused by significant changesi...
更多Number of views：301 Amount of downloads：189
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ZHANG Jianwei，YANG Zaixin，WANG Yunhui，LIU Guangchen
Abstract：In order to alleviate the intensive computational burden in the model predictive contro（l MPC）of the matrix converter，the MPC of the matrix converter was divided into the predictive control of the virtual rectifier and virtual inverter based on the equivalent indirect modulation of the matrix converter. Com...
更多Number of views：276 Amount of downloads：182
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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：303 Amount of downloads：209
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HU Xiangyu，HONG Feng，SHAO Dongwei
Abstract：Switching power supply is now developing towards high-frequency soft-switching and high powerdensity，the volume of magnetic components is greatly reduced，and the excitation inductance of transformer nolonger meets the assumption of large excitation inductance in traditional analysis. Under this background，t...
更多Number of views：262 Amount of downloads：243
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WU Yihao，ZHAO Shiwei，ZHOU Jie，XIAO Chaoren
Abstract：In order to solve the problem of large peak-to-peak inductor currents in dual active bridge converterswith mismatched input and output voltages，a four-degree-of-freedom modulation（FDFM）strategy was proposedby combining symmetric duty cycle modulation and asymmetric duty cycle modulation. By analyzing the op...
更多Number of views：267 Amount of downloads：208
