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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：529 Amount of downloads：485
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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：528 Amount of downloads：410
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YUAN Shaowei，LI Yuxiang，JIANG Jie，ZHANG Bei，ZHU Qing
Abstract：In order to solve the problems of intermittent and fluctuating distributed energy，took three majorphysical entities in the demand response project，namely system operator，load aggregator and load end user，as the research object，the transactions between supply and demand within the power system composed by the...
更多Number of views：528 Amount of downloads：445
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ZHANG Chunxiang，LI Xin，SUN Ning
Abstract：DC high current comprehensive characteristic test device is used to detect the released characteristicsof DC low-voltage electrical overcurrent protection electrical device，which is used in low-voltage electricalindustry for DC products for long time delay，short time delay，instantaneous tripping test and sh...
更多Number of views：528 Amount of downloads：384
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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：519 Amount of downloads：423
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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：517 Amount of downloads：573
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XING Gang，LIU Huihong，WANG Bozhao，SONG Wenyang，LIU Longfei，XU Xiandong
Abstract：To address the need of carbon emission peak and carbon neutrality target on local energy systems，an optimal expansion planning method of heat pump was proposed for regional energy stations considering thebenefits from ancillary services. The method was used to support the integration of new technologies suc...
更多Number of views：513 Amount of downloads：384
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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：502 Amount of downloads：564
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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：500 Amount of downloads：579
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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：495 Amount of downloads：680
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XU Hai，MI Yanqing，WANG Yanyang，XU Zhipeng
Abstract：Permanent magnet synchronous motor（PMSM）has the advantages of fast dynamic response，highpower density，and high torque at low speed，but the temperature variation and complex working conditions willcause the variation of PMSM parameters，thus affect motor performance and reduce the output efficiency. Toaddress...
更多Number of views：492 Amount of downloads：450
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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：491 Amount of downloads：1032
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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：488 Amount of downloads：389
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LÜ Zhengyu
Abstract：The power transmission and transformation system is an important link of power transmission. Inorder to reduce the cost of operation and maintenance and improve the recognition effect，an application method of automatic identification and control of transmission and transformation vulnerable lines was propos...
更多Number of views：487 Amount of downloads：367
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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：475 Amount of downloads：361
