-
GUO Cheng，WANG Linling，HE Mi，YANG Fayu，YANG Xuanming
Abstract：The influence degree of voltage sag on equipment is related to the fault removal time of protectionaction，the magnitude of sag caused by fault and the tolerance ability of equipment sag. The challenge ofconsidering voltage sag factors in the protection setting process is to determine a time setting method b...
更多Number of views：739 Amount of downloads：2641
-
LI Haifeng，CHEN Bin，CHEN Jin，HU Xiwen，LIU Youbin
Abstract：Line commutated capacitor high-voltage direct current（ LCC-HVDC）is an important technicalform of high-voltage direct current transmission. Since the converter valve was composed of semi-controlled devicethyristors，the commutation failure of the inverter-side converter station has become a key issue affectin...
更多Number of views：709 Amount of downloads：2765
-
GUO Wen，HUANG Zhu，ZHOU Mingzhong，WANG Danxiang
Abstract：The excitation inrush generated when the no-load transformer is closed may appear to causeequipment failure，affect the power quality and lead to line overload and other problems，at this stage，phasecontrolled opening and closing is an effective means of suppressing the inrush，the circuit breaker closingchara...
更多Number of views：694 Amount of downloads：2733
-
ZHANG Bin，LI Guoqing，LIU Dagui，SHI Wei，XIAO Guilian
Abstract：Reliability assessment of distribution systems is a crucial foundation for maintaining their powersupply continuity. For existing distribution network photovoltaic systems，solar irradiance modeling was limited toits exponential autocorrelation. To enhance the reliability assessment through accurate predicti...
更多Number of views：636 Amount of downloads：2569
-
MENG Zhaohe，LU Beibei，YU Zhiqiang，DUAN Yichao，GE Tingting
Abstract：For the application of high-power IGBT，its driving circuit is the core part of the entire powermodule. The reliability of the driving circuit to a certain extent determines the reliability of the entire powerelectronic device，and designing highly reliable driving circuits has practical significance. The int...
更多Number of views：622 Amount of downloads：2614
-
AN Juan，HUANG Cunqiang，LI Junxian，LIU Xingwen，WANG Yusi
Abstract：The intermittency and uncertainty of large-scale distributed new energy bring great challenges to thestable operation of power system. Intelligent soft open point（SOP）and energy storage are effective ways to absorb distributed new energy in spatial and temporal dimension，and play an important role in improv...
更多Number of views：587 Amount of downloads：2359
-
XU Qianxi，ZHAO Yangyang，CHEN Xueni，YU Yingjun，YOU Rui
Abstract：The load-transfer after the distribution area fault and mutual power support between distributionareas can be realized with the flexible interconnection device（FID）based on power electronic devices. Aiming atthe becoming increasingly prominen three-phase unbalance problem，a three-phase current unbalance reg...
更多Number of views：581 Amount of downloads：2413
-
YIN Xiang，WU Chaoqun，LIU Yan，CHENG Shi，ZHAI Liang，LI Xing
Abstract：Wind power and other fluctuating renewable energy sources pose serious challenges to the safe andstable operation of the power grid. Integrating energy storage technology with wind power can effectively mitigatethe volatility of wind power output and enhance grid frequency security. A dual adaptive particle...
更多Number of views：522 Amount of downloads：2557
-
LIANG Hong，QIAN Renjun，CHENG Yongjun，HU Jiangyu，ZHANG Man
Abstract：As a kind of winch driven by motor，electric winch has more excellent performance of cable control.However，in the process of retracting and releasing the cable，the drum inertia of the electric winch will change with the change of the cable stock. This unknown inertia change will lead to mismatching of motor ...
更多Number of views：519 Amount of downloads：2736
-
YAN Yingshi，QIU Dongyuan
Abstract：Aiming at the interconnections requirements of power frequency（PF），low frequency（LF）anddirect current（DC）brought by the offshore wind power，a hybrid multi-frequency converter was designed basedon the nine-bridge-arm modular multilevel converter（9A-MMC），in which the diode-clamp sub-module wasselected for upp...
更多Number of views：26 Amount of downloads：46
-
YANG He，CHEN Zhaoyu，ZHANG Jinhua，XU Jing，WANG Jingpeng，ZHU Shichang
Abstract：In response to the issues of large volume，high cost，and complex control algorithms associated withvoltage regulation equipment in new energy distributed power distribution areas，a two-stage voltage regulationcircuit topology based on a DC-link capacitor-free structure was proposed. Based on this topology，a ...
更多Number of views：24 Amount of downloads：45
-
ZHANG Jianwen，MA Haixiao，JIAN Jiahong，LIU Yueneng
Abstract：To eliminate the leakage current of single-phase non-isolated photovoltaic inverter，a six-switchphotovoltaic inverter topology with low leakage current was proposed. The topology consists of a voltage multipliercircuit，a common ground three-level inverter circuit and a LC output filter circuit. The combinat...
更多Number of views：24 Amount of downloads：42
-
CUI Yulu，ZHANG Zhiguo，YANG Gang，GAO Yipeng，ZHAO Jiantao
Abstract：In response to the "double carbon" strategy，the state has made great efforts to develop new energy.As an important carrier of distributed new energy，the DC building microgrid system has attracted extensiveattention. In the DC building microgrid system，as the core link of voltage and power conversion，DC conv...
更多Number of views：24 Amount of downloads：45
-
JIN Haotian，LI Haifeng，MA Kai，TAN Lingqi，LI Jia
Abstract：For the half-bridge modular multilevel converter（MMC）bridge arm in a control cycle within theinput and removal of the submodule of the respective capacitance voltage sequence before and after the relationship of the characteristics of the same，based on the last cycle of the submodule switching state and the...
更多Number of views：23 Amount of downloads：40
-
ZHANG Yuanbo，JI Wei，ZHANG Yun，DAI Zhihui，HE Jingyuan
Abstract：The traditional fault calculation method in the case of distribution network with multi-point Tconnected inverter interfaced distributed generator（IIDG）has the problems of complicated calculation process and large calculation amount. Therefore，a fault calculation method for new distribution systems with T-c...
更多Number of views：23 Amount of downloads：33
