-
ZHANG Pengcheng，TUSONGJIANG Kari，WANG Hailong，YILIHAMUYaermaimaiti，LU Haotan，RUAN Jiayang
Abstract: In order to improve the accuracy of automatic reading of tilted meter images，a novel algorithmbased on ORB and improved region growing method was presented. Firstly，the ORB algorithm was applied to detect the feature points of the target image and the template image，and the transformation matrix used to ac...
更多Number of views：1111 Amount of downloads：1141
-
ZHAO Yifu，ZHANG Guangbin
Abstract：In response to the existing problems of traditional diode based clamp type wind turbine inverters，ahybrid clamp type structure was introduced. Based on the analysis of its working principle，a method for switchingthe switch state and a vector optimization selection method that can avoid modulation waveform b...
更多Number of views：711 Amount of downloads：1137
-
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：784 Amount of downloads：1137
-
YANG Zhenyu，WANG Wei，XU Wenzheng，ZUO Zhiling，CHEN Changqing
Abstract：The telecommunication power supply applied in 5G base stations can save energy consumption byreducing the output voltage when the equipment works in standby state. Nevertheless，frequent and rapid outputvoltage regulating of the converters is challenging. To solve this problem，the concept of partial power co...
更多Number of views：953 Amount of downloads：1136
-
TIAN Kai，YU Zhibin，YUAN Yuan，CHU ZiLin，CHEN Yujie，SUN Chuanjie
Abstract: A test method was proposed that can evaluate the ultimate power output capability of large capacityIGCT three-level converter. Based on synchronous symmetrical PWM modulation and temperature estimationmodel，the power experiment of IGCT three-level converter was carried out，which can test the equipment capa...
更多Number of views：1316 Amount of downloads：1135
-
WANG Haiyan，WU Ziran，QIAN Qi，XIA Chuyang，XU Haibo，LIN Zhenquan
Abstract: In order to improve the short-circuit breaking capacity of solid-state circuit breaker（SSCB）in DCsystem，a multi-objective optimization method that explores component parameters to achieve optimal breakingcharacteristics was proposed. A detailed analysis of the breaking process of the SSCB during a short-ci...
更多Number of views：1023 Amount of downloads：1134
-
PENG Yanlai，FAN Yong，YANG Xiaofeng，YANG Hongyu，WANG Zhixin
Abstract: Aiming at the problems that the amount of data in wind farm SCADA data is huge and it is difficultto classify the fast fault of wind turbine generator，a dynamic threshold AdaBoost algorithm（DTAdaBoost）wasproposed. Based on AdaBoost algorithm，the dynamic threshold was introduced to screen the sample set dat...
更多Number of views：1284 Amount of downloads：1132
-
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：1205 Amount of downloads：1121
-
GONG Yanchao，YANG Haiyun，MIAO Junjie，GAO Zhi
Abstract: Parallel capacitor banks can effectively improve the efficiency and quality of power transmission inthe application process of power distribution network. However，due to some unreasonable factors in the switchingmode of power capacitors，it will also generate overvoltage，thus affecting the power grid. stabi...
更多Number of views：1338 Amount of downloads：1119
-
YANG Guotao，HU Dongfang，ZHANG Jiaming，WEN Liqiang，TIAN Lisi
Abstract：Space vector pulse width modulation（SVPWM）strategy is one of the key technologies for threelevelinverters. However，conventional three-level SVPWM often experiences neutral point potential（NPP）oscillation and high switching loss when addressing the neutral point potential balancing issue. To tackle thischall...
更多Number of views：806 Amount of downloads：1115
-
JIN Dan，ZHI Jing，XIN Shijin，YANG Jian，HUANG Yafei，XU Qing
Abstract：Voltage source converter（VSC）connected to weak AC power grid has the risk of small disturbanceinstability. Under the traditional control strategy，VSC has to reduce output power to maintain stable operation. Inorder to improve the stability of the weak grid connected VSC system，first established a universal ...
更多Number of views：898 Amount of downloads：1115
-
SONG Weiqiong，GUO Shuai，HAN Liu，XU Chaoqun，SONG Wei，LÜ Fengming
Abstract：In order to monitor current distribution state of parallel silicon carbide（SiC）devices in photovoltaicinverter，a contactless monitoring solution based on anisotropic magnetoresistive sensor was proposed. Accordingto practical position of SiC devices on PCB board，multiphysics simulation tool COMSOL was emplo...
更多Number of views：1469 Amount of downloads：1113
-
WANG Pengcheng，PAN Ligang，WANG Yijie
Abstract: The emergence of wireless power transmission（WPT）technology overcomes the strict requirementsof traditional wire transmission process on transmission site conditions，maintenance convenience and security，which has a wide range of application scenarios. In the WPT technology，the misalignment tolerance charac...
更多Number of views：1072 Amount of downloads：1112
-
YUAN Yisheng，HUANG Yikun，CAO Hui，HUANG Zhimin
Abstract：A bidirectional isolated resonant converter with variable mode and wide voltage range wasproposed. The proposed converter has the advantages of BOOST circuit and flyback current feed topology. Byreusing the pre-storage and flyback energy feedback of the resonant inductor，it can improve the gain from thebatt...
更多Number of views：848 Amount of downloads：1107
-
CHEN Kun，SUN Kaiyuan，LIN Lin，WANG Meng，ZHENG Jiehui，LI Zhigang
Abstract: With the massive access of renewable energy sources and pluralistic load，it is bi-directionalbeneficial to update the distribution network topology. It can not only promote the consumption of renewableenergy and the satisfaction of new load demands，but also improve the rationality of urban distribution net...
更多Number of views：1100 Amount of downloads：1106
