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ZHOU Ye，CUI Shuangxi，FAN Xiaochao，WANG Weiqing，WU Binbing
Abstract: When the grid voltage is unbalanced，the negative sequence current will seriously affect the qualityof the output power of the grid-connected inverter. The detection speed of the grid information is one of the mainfactors of negative sequence current compensation. Therefore，a control strategy without phase-...
更多Number of views：3303 Amount of downloads：1592
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TAN Xiaomeng，LIU Jichun
Abstract: New energy with intermittent and uncertainty would seriously impact the operation reliability，especially in isolated multi-energy complementary generation system，and make the system face certain risks. Thus，reasonable system reserve is the key to avoid large risk loss in isolated island power system under ...
更多Number of views：3575 Amount of downloads：1592
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ZHOU Zhen，PENG Yuanxiu，LIU Bin，LI Xiaowen，ZHA Haitao
Abstract: In the isolated island operation mode of microgrid，the output power of distributed generation unitsin the system is difficult to distribute reasonably due to the difference of output line impedance，which affects thestability of the system. In order to realize the reasonable distribution of power according ...
更多Number of views：3094 Amount of downloads：1590
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SHEN Gaobo，LIU Xu
Abstract: A variable flux reluctance machine（VFRM）control system based on the excitation current controlof a single leg was proposed. Compared with the VFRM control system based on the H-bridge which controlling theexcitation current，fewer switch devices were used，in which the cost of the inverter was reduced while ...
更多Number of views：3480 Amount of downloads：1587
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PAN Guangxu，GONG Chiyu，LI Xingyu，HU Jun，LI Yingjie，WANG Ruiqi
Abstract: As an essential part of power system design and operation scheduling，electric load forecasting istroubled by strong randomness and low accuracy. Moreover，the application of advanced forecasting algorithms isassociated with data management system，while the traditional data management system is very inconven...
更多Number of views：3289 Amount of downloads：1584
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CHENG Jin，PAN Zhixuan，CHENG Haifeng，DAI Mingli，HUANG Minli
Abstract: With the continuous improvement of the penetration rate of wind turbines，in order to suppress thevoltage/frequency fluctuations of the doubly-fed induction generators（DFIGs）after grid-connected due to their own active power output fluctuations，aDFIGinertia support and primary frequencymodulation control ba...
更多Number of views：2449 Amount of downloads：1581
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LÜ Feichun，HU Jingtao，ZHANG Wentao，HU Dong，WU Xu
Abstract: In recent years，the large-scale grid connected operation of distributed energy has led to the gradualevolution of traditional power users from simple power consumers to prosumers with both power production andconsumption capacity，and can orderly participate in market transactions under the guidance of mark...
更多Number of views：1865 Amount of downloads：1580
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YANG Fan，HUANG He，LI Haiying，LI Dongdong，ZHAO Yao
Abstract: There are a lot of equipment operation rules in power equipment defect text，which can be mined bynatural language processing technology to provide guidance for equipment maintenance. Aiming at this situation，a defect text mining method based on enhanced representation through knowledge integration（ERNIE）pr...
更多Number of views：3202 Amount of downloads：1579
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LIU Jinchao，DUAN Hongmin，WU Letao，LIU Ligang，XU Chao
Abstract: Aiming at the phenomenon of pressure relief and deflagration caused by the faults of oil-immersedtransformer，a logic was proposed that the transformer can keep self-maintained running when faults occurred，and according to the logic，a scheme of oil circuit equipment was designed. The above logic and the sch...
更多Number of views：3712 Amount of downloads：1578
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GUO Dengke，MI Wentao，ZHUANG Feihu，XU Yiduan，FAN Ruini
Abstract: According to the requirements of quickly and reasonably formulating load transfer measures afterdistribution network failure at this stage，a reliability evaluation scheme for fault transfer based on K-fold verification was introduced. Square up various power supply modes，according to the energy balance equ...
更多Number of views：3542 Amount of downloads：1577
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CHEN Guangzhu，YANG Yuxin，ZHANG Yanan，LÜ Peihe，WANG Jianquan
Abstract: The new version of the national standard GB/T 15576—2020《Low-voltage reactive powercompensation assemblies》was released on November 19，2020，and has been implemented on June 1，2021，replacing the old standard. Through comparative analysis of the content of the new and old standards and key tests，the test met...
更多Number of views：2957 Amount of downloads：1575
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LIU Siyan
Abstract: In order to realize the speed estimation and speed regulation of the permanent magnet synchronousmotor（PMSM）controller，a new type of fractional-order model reference adaptive speed observer was designed.Compared with integer-order observers，this strategy enhanced the adjustable degrees of freedom of the co...
更多Number of views：2743 Amount of downloads：1569
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LI Qinzhao，ZHAO Xuemin
Abstract: When the microgrid is operating in island mode，the cascaded H-bridge（CHB）converter as aninterface device may need to be configured with a non-sinusoidal reference wave of pulse width modulation（PWM）when implementing auxiliary functions such as negative sequence compensation. In order to avoid overmodulatio...
更多Number of views：2947 Amount of downloads：1569
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REN Wei，ZHAI Bohao，PENG Weisong
Abstract: With the improvement of computer operation level，data-driven technology is widely used inmetallurgical industry. Accurate prediction of rolling force is helpful to shorten the length of strip head and tail andimprove the yield of strip. In order to solve the problem of low prediction accuracy of data-drive...
更多Number of views：3147 Amount of downloads：1568
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ZHANG Wanying，WANG Changjiang，YU Dayang
Abstract: Due to the strong coupling between rotor speed and rotor time constant in the indirect vector controlsystem of induction motor，it is difficult to realize their parallel identification. The parallel identification based onmulti-innovation extended Kalman filter based on forgetting factor（FMI-EKF）was propose...
更多Number of views：1888 Amount of downloads：1565
