Power electronics
Current location：Home >Power electronics
-
YE Jianmin，WANG Ruoyu，LUO Hongmei，XIE Yan
Abstract: The receiving end hybrid line commutated concerter based voltage source converter（LCC-VSC）notonly has the advantages of LCC and VSC，but also adopts the structure of high-voltage valve group LCC and lowvoltage valve group three-end parallel VSC in series at the receiving end. Therefore，the receiving end hyb...
更多Number of views：2271 Amount of downloads：1783
-
ZHOU Wen，YANG Shaobo
Abstract: In the DC microgrid，bus voltage stability is the key to maintain the normal operation of the system.Load switching and distributed micro-source power fluctuations will affect the stability of the DC bus voltage. Tosolve the above problem，a compensation control strategy based on the residual generator was p...
更多Number of views：2426 Amount of downloads：1567
-
LIANG Biao，ZHANG Yiming，ZHANG Dong，LI Gen，WANG Xuhong
Abstract: With the increasing demand for geological exploration in complicated terrain in China，thedevelopment of helicopter transient electromagnetic system（HTEM）has been paid more and more attention. A pulse current transmitting circuit with multi-excitation sources was proposed to meet the demand of transmitting ...
更多Number of views：2351 Amount of downloads：1432
-
NIU Shengsuo，CHENG Bo，LI Jinbo，LÜ Linfei，FU Xiulai
Abstract: Avoltage disturbance detection method based on mathematical morphological filtering and derivationdq transformation was proposed. Firstly，in order to reduce the interference of pulses，harmonics and other noises in the signals to be detected，a composite morphological filter was constructed based on adaptive...
更多Number of views：2147 Amount of downloads：1607
-
GAO Shanxue，YANG Xin，SHEN Wenbing，ZHONG Wei，ZHANG Shuai，WANG Min
Abstract: DC microgrid usually consists of a plurality of power electronic converters with feedback controlconnected to a common DC bus. Although the control loop design of each individual converter has a good stabilitymargin，the interconnection of multiple power and load converters can cause stability and performan...
更多Number of views：2270 Amount of downloads：1572
-
ZHOU Xuesong，GUO Kairui，MAYoujie，ZHONG Weibao
Abstract: Although the parallel connection of inverters in a microgrid system increases the system capacity，itcreates a circulation path which provides the conditions for the generation of zero-sequence circulating current（ZSCC）. In order to solve the problem of system loss caused by ZSCC，a ZSCC controller was desig...
更多Number of views：2634 Amount of downloads：1598
-
LÜ Jiangping，LI Yaguang
Abstract: Recent years，omni-directional wireless power transmission（WPT）technology has attracted moreand more attention as a solution to the limitations of free location and mobility of traditional WPT technology.However，omni-directional WPT is less efficient due to low mutual inductance relative to the transmitter ...
更多Number of views：2458 Amount of downloads：1558
-
HE Kun，WANG Can，ZHANG Kan，CHEN Kaiping，ZHU Hanqin，FU Zhiyu，XU Lei
Abstract: In the case of asymmetric faults in high voltage direct current（HVDC） transmission system，modular multilevel converter-battery energy storage system（MMC-BESS）has a longer state of charge（SOC）balancing process，uneven allocation of resources，easy to occur over modulation and other security problems，anew SOC ...
更多Number of views：2590 Amount of downloads：1837
-
TIAN Guangping，XUE Hua
Abstract: In response to the stable operation demand of modular multilevel converter（MMC）with singlephaseshort circuit fault，a passivity-based method based on dual-port controlled Hamiltonian with dissipation（Dual-PCHD）model was proposed. To make the grid-connected positive sequence and negative sequence currentsubs...
更多Number of views：2506 Amount of downloads：1521
-
LI Xin，LI Yundi，JIANG Jie，FU Xueguang
Abstract: In the process of using wireless power transfer（WPT）technology to charge batteries，constant current （CC）-constant voltage（CV）charging mode is adopted to ensure battery life and safety. Therefore，a hybrid topology of series-series（SS）and inductor-inductor-capacitor（LLC）topology was proposed. Based on the SS...
更多Number of views：2688 Amount of downloads：1512
-
LIU Weijie，ZHANG Yiming，CUI Longfei，ZHANG Dong，WANG Xuhong
Abstract: The transmitting coil in the aviation electromagnetic transmitting system was took as the researchobject，considered the influence of the parameters of the transmitting coil on the peak value of the transmitting current，used finite element software，the coil model was established. The skin effect and proximi...
更多Number of views：5308 Amount of downloads：4155
-
ZHANG Tian，SONG Mingxuan，FENG Yuan，HE Fengyou
Abstract: Aiming at the series short-circuit phenomenon caused by device breakdown and control failure，based on the half-bridge structure，the different series short-circuit dynamic sharing voltage characteristics of SiCMOSFET and Si IGBT were analyzed. At the same time，the principle of series short-circuit voltage s...
更多Number of views：5695 Amount of downloads：5020
-
LI Mingyang，NIU Pingjuan，LI Yuhong，LI Ying，SUI Yu
Abstract: The offset characteristics of transmitting and receiving coils manufactured by different wirelesselectric vehicle manufacturers are a critical issue to ensure the interconnection of domestic and international vehiclecharging. The 3.7 kW wireless energy transmission system was modeled and the SS-type topolo...
更多Number of views：2950 Amount of downloads：1654
-
DING Runchu，SHI Shuhuai，ZHUO Fang，WANG Feng
Abstract: The application of DC transmission and distribution network faces a variety of complex designscenarios，among which there are DC/DC conversion requirements with unipolar input and really bipolar output. The bipolar output of this application scenario can easily lead to unbalanced output voltage when the loa...
更多Number of views：2666 Amount of downloads：1496
-
TIAN Kai，YUAN Yuan，YU Zhibin，JIANG Yida，LI Nan，SONG Peng
Abstract: Three-level neutral-point balance method based on PWM pulse width dynamic regulation wasproposed to realize optimized PWM high-performance closed-loop control and three-level neutral-point balancecontrol of the inverter at low switching frequency. The fundamental current component was extracted from thecur...
更多Number of views：2621 Amount of downloads：1553
