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XU Binbin，CHEN Chang，ZHANG Aoyu，WANG Yongqiang
Abstract: In order to study the distribution of magnetic field and temperature field of dry-type transformeriron core more accurately，analyze the influence of different excitation on the magnetic field loss and hot spottemperature rise of dry-type transformer core，firstly，Maxwell was used to calculate the transient ...
更多Number of views：1630 Amount of downloads：4886
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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：1628 Amount of downloads：4665
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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：1625 Amount of downloads：5010
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GE Yaming，ZHOU Chenbin，MENG Yihua，SHEN Jiaoxiao，CAO Haiou，REN Xuchao
Abstract：With the accelerated construction of new power systems，the scale and complexity of transmissionsystems are constantly increasing. Therefore，it is urgent to study transmission line fault diagnosis algorithms thatutilize multi-source data as driving sources and meet requirements for accuracy and low time cons...
更多Number of views：1624 Amount of downloads：3866
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ZHANG Xudong，WANG Yangyang，LI Xiaolong，LÜ Jin
Abstract：Aiming at the problem that the ripple content of current and voltage in cycloconverter speed controlsystem is large and the ripple period is time-varying，the real-time sampling value is not suited for feeding back tothe speed control system directly，a variable period mean sampling algorithm was proposed. Fi...
更多Number of views：1624 Amount of downloads：4489
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JIANG Yehai，JIAO Hao，CHEN Zhi，MA Jiayang ，LI Bin
Abstract：To improve the quality of power distribution network parameters，an abnormal parameteridentification and localization method for distribution networks based on smart meter measurements was proposed.The method transformed the nonlinear identification equation solving problem in traditional identificationalgor...
更多Number of views：1617 Amount of downloads：3500
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LI Shunxin，ZHAO Xuan，ZHAO Yinan，YANG Min，DONG Shaoqiao
Abstract：With the continuous increase in the scale of distribution network construction and operation，a largenumber of electricity load control problems have emerged，especially the weakening of sample time seriescharacteristics in electricity load data analysis，resulting in incomplete acquisition of local load chara...
更多Number of views：1614 Amount of downloads：4491
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LI Yunwang，CHEN Junde，ZHANG Daping，SANG Yun，HAN Xiaolei
Abstract：An adaptive active arc suppression method based on S-transform correlation degree for distributionnetwork unidirectional grounding was proposed to effectively eliminate single-phase grounding fault arc indistribution network and improve power system stability. The time series data of zero-sequence current o...
更多Number of views：1613 Amount of downloads：3301
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LI Weiye，GONG Yifan，XU Wei，LUO Yinglu，HE Mingjie
Abstract: As a new type of compressor，linear compressor has the advantages of high efficiency，smallvolume，low noise and little vibration. However，in order to give full play to its advantages of high efficiency，it isnecessary to control the driving frequency to track its mechanical resonance frequency. According to t...
更多Number of views：1613 Amount of downloads：3405
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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：1612 Amount of downloads：4348
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SUN Chuanjie，TIAN Kai，XU Wenyuan，LU Beibei，LI Nan
Abstract：A brake unit based on IGCT was designed for different applications of frequency converter inindustrial scenes，especially the medium voltage frequency conversion system without feedback function. IGCTwas used as the main power device，and the parameters and characteristics of IGCT was analyzed. According to t...
更多Number of views：1609 Amount of downloads：5469
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LIU Yanlong，HAN Pingping，CHEN Xiaoguang，GUO Jialin
Abstract：With the increasing penetration of new energy equipment，while alleviating the environmentalproblems caused by fossil energy，it also increases the frequency instability of the system. Photovoltaic（PV）andother new energy equipment to participate in the grid frequency regulation is an effective way to improve ...
更多Number of views：1609 Amount of downloads：3425
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SHEN Yuming，GUI Xu，JIANG Guifen，XU Jiayin，FENG Peiru，LI Kun
Abstract：As the penetration rate of new energy in the power system continues to increase，the large-scale gridconnection of wind power is one of the important factors affecting the stable frequency operation of the powersystem. Configuring energy storage can provide transient frequency support for the system，improve ...
更多Number of views：1609 Amount of downloads：4652
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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：1608 Amount of downloads：4787
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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：1608 Amount of downloads：4358
