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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：369 Amount of downloads：299
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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：368 Amount of downloads：266
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XU Shizhou，CHANG Jinhai，FAN Jingsheng，JIA Xinxin
Abstract：A method for establishing edge triggered pulse control switch state time was proposed to address thedivergence of floating capacitor voltage and DC capacitor midpoint voltage in a 5-level active neutral point clamped（ANPC-5L）inverter using the space vector pulse width（SVPWM）algorithm in the g-h coordinate s...
更多Number of views：344 Amount of downloads：276
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YANG Yidong
Abstract：In the grid load control and planning of distribution network，in order to optimize the grid structureof distribution network，such as line loss，power supply quality and load，a grid load control and planningtechnology based on differential evolution algorithm was proposed. For all kinds of power generation de...
更多Number of views：342 Amount of downloads：267
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WAN Shaoqi，WANG Bo，GUAN Wenqing，CHEN Jingbo，LÜ Congxin，DONG Haiying
Abstract：The traditional control of electromechanical actuator in aviation electromechanical servo systemmostly adopts two-level inverter and PID control，which can not achieve higher precision control of permanentmagnet synchronous motor. In view of the above problems and the difficulty of space vector modulation al...
更多Number of views：330 Amount of downloads：173
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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：327 Amount of downloads：212
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JIANG Jian，XU Fengliang，WANG Fayi
Abstract：Reasonable planning of the active distribution network is an important part to improve the windenergy accommodation capability，however，the overuse of the wind power output and load timing characteristicsincrease the difficulty of model solving and have adverse effects on the optimal results. The Latin hyper...
更多Number of views：322 Amount of downloads：265
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LI Xinhai，LUO Qifeng，ZENG Qingzhu，ZENG Xinxiong，YAN Chao
Abstract：The detection of composite insulator defects in substations still relies on inspection by operators，which is a heavy workload and prone to leakage due to visual fatigue. To reduce the computational resourceconsumption and shorten the training time，the region convolutional neural networks（RCNN）was improved b...
更多Number of views：316 Amount of downloads：205
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DU Jifei，WANG Yang，WANG Li，LIU Haoruo，MU Yunfei，SUN Qiang
Abstract：The primary side feedback can stabilize the output voltage，and improve the service life of theequipment without using the secondary winding detection error signal. The topology of active filter and theimproved method of primary side feedback were adopted. The performance of active EMI filter topologies wasa...
更多Number of views：306 Amount of downloads：240
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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：303 Amount of downloads：212
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QIN Gang，ZHANG Changqing，JIANG Xuejiao，ZHONG Lei，ZHOU Chaojun，WU Min
Abstract：During the operation of high-voltage DC power grid，due to factors such as load characteristics andvoltage fluctuations，the instantaneous power characteristics such as capacitor current and harmonics are morecomplex，which increases the difficulty of identifying faults in the power grid system. Therefore，a bi...
更多Number of views：300 Amount of downloads：204
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ZHAO Enlai，HU Yu，GUO Jun，SU Xinlei，LIU Pengyuan，YANG Jun
Abstract：In view of the fact that the original high-dimensional nonlinear power flow model cannot be appliedto the linear planning of distribution network，and the existing linear power flow model has the problem of weakuniversality，a calculation method of distribution network linear power flow was proposed consideri...
更多Number of views：298 Amount of downloads：241
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CHEN Sisi，LI Zhigang，ZHENG Jiehui
Abstract：The energy flow analysis method with both high precision and high computational efficiency is abasic tool to simulate the operation and analyze the interaction between the thermal and electric coupling systems.The traditional iterative numerical method is slow in computation，poor in computability for large-...
更多Number of views：289 Amount of downloads：207
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CHEN Chen，DONG Pingxian，SONG Xiaofan，GUO Fang，QI Huanruo，DU Xiaotong
Abstract：After the distributed wind farm stations are integrated into the distribution network，due to thecharacteristics of wind farm short-circuit current amplitude control and frequency offset，the traditional three-stagecurrent protection of distribution network is difficult to accurately identify the fault on the...
更多Number of views：289 Amount of downloads：184
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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：286 Amount of downloads：177
