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LI Ning，WANG Ruyue，ZHU Longhui
Abstract：In order to analyze the power quality problem of actual power network under the influence ofuncertain interference factors，a power quality detection and recognition method combining empirical wavelettransform（EWT）and improved S-transform was proposed. On the one hand，the frequency，amplitude and timeparamete...
更多Number of views：646 Amount of downloads：481
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ZHUYanxiang，LIN Hong
Abstract：Aiming at the problem of insufficient frequency modulation capability of direct-driven wind turbineunder traditional virtual inertia control，a control strategy of super capacitor assists direct-driven wind turbineparticipating in frequency modulation was proposed to improve the frequency stability of power ...
更多Number of views：645 Amount of downloads：449
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ZHU Changlin，TU Qunzhang，JIANG Chengming，WANG Shijiao
Abstract：The synchronization accuracy of a multi-motor speed synchronization system is influenced by themotor control algorithm and synchronization control strategy. In response to the shortcomings of existing controlstrategies，a mid-range deviation coupling control strategy for multi-motor speed synchronization sys...
更多Number of views：644 Amount of downloads：497
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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：643 Amount of downloads：805
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ZHAO Aibo，LI Zihao，WANG Zixuan，LI Junhui，MA Siyuan
Abstract：Aiming at the problems of insufficient stability and low power generation efficiency of the existingpower supply means for offshore ocean observation equipment，and low power density of direct drive wave energypower generation device due to the low running speed of ocean waves，it proposed to apply the magnet...
更多Number of views：642 Amount of downloads：470
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CUI Mengyu，YIN Qinglong，GUO Xudong，LÜ Tuo，HU Qifeng，LIU Zhengyan
Abstract：The VPX power standard is currently the most compatible military embedded computer standardinternationally，and its modules can stably power multiple different functional modules in the chassis. A VPXpower board based on VITA46 and VITA62 standards was designed. The design architecture，ideas，and functionsof ...
更多Number of views：636 Amount of downloads：615
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ZHOU Yi，FANG Wei，GONG Min，XIA Xuesong，CHEN Yanling，HAN Ni
Abstract：Despite bringing several benefits to modern power systems，distributed generation（DG）andmicrogrids cause a significant impact on the operation of power distribution networks，especially with regard to theprotection system. In this new scenario，the adoption of smart protection systems capable of incorporating ...
更多Number of views：635 Amount of downloads：392
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ZHANG Boyu，ZHANG Xiaoli，FENG Rui，ZHANG Zhaobo，CAI Siqi ，MA Xiaoxuan
Abstract：Based on the principle of magnetic coupling resonance technology，a bilateral LCC topologycompensation network parameter design method was adopted. Firstly，the mathematical model of the main circuitof the bilateral LCC topology was analyzed，and the inductance ratio of the coil self-inductance and the seriesc...
更多Number of views：633 Amount of downloads：1115
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PENG Yinzhang，WANG Chen，NAN Dongliang，XIAO Chao，YANG Shuai
Abstract：AC-DC hybrid power grid can balance the power flow during the operation of the power system ina large range，which is conducive to improving the access capacity and access range of large-scale access of newenergy to the power grid，which is an important trend in the development of modern power grid. In order ...
更多Number of views：631 Amount of downloads：635
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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：622 Amount of downloads：599
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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：613 Amount of downloads：508
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WU Bing，WANG Jianliang
Abstract：The common-mode equivalent circuit model of the motor is the basis for analyzing the electricerosion of bearings，especially for analyzing the technical problems and experimental phenomena of shaft voltageand shaft current，among which the centralized equivalent model is an important calculation basis for the...
更多Number of views：611 Amount of downloads：649
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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：611 Amount of downloads：462
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WU Han，HUANG Xinghua，QIAO Zhendong，FAN Yuanliang，ZHU Junwei，CHEN Jinyu
Abstract：Accurately estimating the state of health（SOH）of lithium-ion batteries is a crucial prerequisite forensuring the safe and stable operation of energy storage systems. The key to improving the accuracy of SOHestimation lies in the rational selection of health characteristics that can effectively reflect the s...
更多Number of views：610 Amount of downloads：435
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HE Yongpeng，WANG Mingyue，WANG Yubo，WANG Chunhui，ZHAO Zesheng
Abstract：Based on the parallel structure of high-power converter system，a high real-time and highsynchronization optical-fiber communication scheme was proposed. The on-fly transmission ensures that thecommunication between the controllers has a low delay，and the clock synchronization algorithm compensates thetime-d...
更多Number of views：608 Amount of downloads：374
