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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：2423 Amount of downloads：9022
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SHI Kun，CHEN Songsong，CHEN Xuejie，CHEN Zhaorui，YAN Huaguang，WU Yingjun
Abstract：New energy has obvious volatility and anti-peak-shaving characteristics，and the integration of largescale new energy into the power grid poses challenges to the peak-shaving. Hydrogen energy has a good potential for application as a potential peak-shaving resource. A multi-time scale peak-shaving scheduling...
更多Number of views：2422 Amount of downloads：8742
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LOU Bin，HAI Ying
Abstract：Harmonic loss is one of the main causes of safety accidents in excitation transformers. If the lossvalue is too large，it can easily affect normal substation and transmission. Therefore，a method based on waveletpacket decomposition and reconstruction was proposed to calculate the additional loss of rectifica...
更多Number of views：2417 Amount of downloads：8113
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LI Nengjun，YANG Haicheng，XU Xianke，LI Shushan，GAO Yuling
Abstract：The state of the DC system of substation is directly related to the normal operation of the substation.A new method for ground fault detection in substation DC systems，which is a combination of double-tree complexwavelet transform and singular value decomposition，was proposed to achieve fast and accurate lo...
更多Number of views：2417 Amount of downloads：7087
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ZHOU Liang
Abstract：Under the change of island operation conditions，the microgrid will cause that the digital twin（DT）model cannot accurately match the source domain model when migrating，which will lead to low migrationefficiency and other problems. For this reason，an adaptive migration method of digital twins model under thes...
更多Number of views：2414 Amount of downloads：6319
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LI Hongqiang，WEI Yawei，MA Jing，ZHOU Lei，ZHANG Hanhua ，LU Guangming
Abstract：Under the large-scale renewable energy integrated with uncertain output characteristics，balancingthe supply and demand within a local area becomes a new challenge. The long-distance transmission andconsumption scheme is utilized for the sending-end grid to meet the requirements of renewable energy consumpti...
更多Number of views：2411 Amount of downloads：8289
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LIANG Zhen，WANG Yong，BAI Haibin，ZHANG Zhiyu，SUN Qianhao，CUI Bin
Abstract: Based on full-bridge（FB）and half-bridge（HB）sub-modules（SMs），the conventional hybridmodular multievel converter（MMC）is a typical topology of MMC with DC fault clearing ability. However，theproportion of FB SMs in conventional hybrid MMC is usually greater than 50%，so as to increase the cost andlosses. To sol...
更多Number of views：2410 Amount of downloads：8733
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PENGTao
Abstract: The local leakage signal of high-voltage insulation equipment is weak and its characteristics are notobvious，which can only explain whether there is discharge. There is a phenomenon of missing judgment andmisjudgment in the actual positioning process，which is difficult to accurately locate the high-voltage...
更多Number of views：2409 Amount of downloads：6489
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JING Weiwei，FU Hui，ZHENG Xian，LI Shuangwei，SHI Mingming，ZENG jiang
Abstract：With the accelerated construction of new power system，the harmonic characteristics of power gridare becoming more and more complex. It is of great significance to study the effective statistical management ofharmonic data for evaluating the power quality of power grid. A statistical method of harmonic evalu...
更多Number of views：2408 Amount of downloads：8035
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ZHANG Jie，CHEN Qiang，LUO Yuanfeng，QIN Jiming，WEI Juren，WU Beixing
Abstract：Power cable is an important carrier of power transmission. To solve the problems of low accuracyand large computation in voicing diagnosis with traditional convolutional neural network model，a novel cable faultdiagnosis method based on multiple voicing features and lightweight convolutional neural network w...
更多Number of views：2407 Amount of downloads：16294
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SU Yanlong，YANG Jun，WENG Yuyou，WANG Yuling，HU Yu，PAN Shitong
Abstract：In order to improve the stability and economy of photovoltaic-storage combined power station，acapacity optimization method of photovoltaic-storage system based on the whole life cycle was proposed. The basicmodel of the station was analyzed. The capacity optimization model of energy storage system was estab...
更多Number of views：2405 Amount of downloads：8303
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HAO Liangshou，XIA Kepeng，CHEN Xiaoping，JIANG Hai，ZHU Qi，WANG Di
Abstract: The conventional grid voltage observation methods of flexible DC power converters need to designmultiple observers，and use multiple filters，which are also affected by DC-offset. So，a grid voltage observationmethod of flexible DC power converters based on single sliding mode observer and single third-order ...
更多Number of views：2400 Amount of downloads：8810
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WU Ning，CAI Jie，LIANG Gonghao
Abstract: As an important part of smart grid monitoring system，the security of power wide area measurementsystem is very important. Therefore，in order to ensure the integrity and confidentiality of communication data inpower wide area measurement system and the communication security between terminal devices in the ...
更多Number of views：2400 Amount of downloads：8383
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CHEN Qi，HONG Feng，SHAO Dongwei，HU Xiangyu
Abstract: Pulsed xenon lamp is often used for performance testing of solar cells because its spectrum is mostsimilar to sunlight. The pulsed xenon lamp power supply is the key factor to ensure the reliable operation of thepulsed xenon lamp and improve the photoelectric conversion efficiency. In order to solve the pr...
更多Number of views：2398 Amount of downloads：9521
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NIU Zongxian，FAN Bo，FU Yulin，WANG Chunguang，WU Xiaodan，YANG Chenhui
Abstract: Under traditional PI parallel control strategies，synchronous control systems of multi-motor rigidconnection structure have the problem of unbalanced motor torque output，and there is even a serious risk of shaftbreakage. Taking the rigid connection structure of multi-motor gear transmission as the research ...
更多Number of views：2397 Amount of downloads：8007
