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Solid-state transformer-based new traction drive system and control

Jianghua FENG, Jing SHANG, Zhixue ZHANG, Huadong LIU, Zihao HUANG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3, Pages 411-426 doi: 10.1007/s11465-018-0467-0

Abstract: developing the next-generation electric traction system which will be efficient and lightweight, with highand improving efficiency and grid-side power quality, an efficient SSTT optimized topology combining high-voltagecascaded rectifiers with high-power high-frequency LLC resonant converter is proposed.carrier-interleaving phase shift modulation strategy is proposed to improve the harmonic performance of cascadedsystem, the mathematical model of secondary power transfer is built, and the mechanism of pulsating voltage

Keywords： solid-state traction transformer high-voltage cascaded rectifier LLC resonant converter synchronous rotatingreference frame carrier-interleaving phase shift control secondary pulsating voltage beat frequency

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A High Accurate Steady-state Physical Model for High-voltage VDMOS

Bao Jiaming,Sun Weifeng,Zhao Ye,Lu Shengli

Strategic Study of CAE 2008, Volume 10, Issue 2, Pages 72-78

Abstract:

A high accurate steady-state physical model for high-voltage VDMOS isIn the model, a more proper assumption result in obtaining both the electric field and the voltage inthe analytical solution of this differential equation is given for the whole drift region, then the voltagethe paper´s model, and furthermore, the calculation prec ision of the paper´s model is highEspecially in the condition of high gate vol tage and high drain voltage it is improved to a great extent

Keywords： VDMOS steady-state physical model analytical method

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Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery

Tong Zhang, Elie Paillard

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3, Pages 577-591 doi: 10.1007/s11705-018-1758-z

Abstract: component of electrolytes, due to its excellent ability to allow graphite anode operation–also required for highIn the last years, many alternative electrolytes, aiming at allowing high voltage battery operation,Thus, we review here the high voltage, EC-free alternative electrolytes, focusing on those allowing the

Keywords： lithium-ion electrolyte solid electrolyte interphase additives high voltage graphite

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Parameter identification of interconnected power system frequency after trip-out of high voltage transmission

Xuzhan ZHOU,Shanshan LIU,Mingkun WANG,Yiping DAI,Yaohua TANG

Frontiers in Energy 2014, Volume 8, Issue 3, Pages 386-393 doi: 10.1007/s11708-014-0323-9

Abstract: Accurate modeling and parameters of high voltage (HV) grid are critical for stability research of system

Keywords： high voltage (HV) grid frequency stability parameter identification primary frequency regulation (PFR

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Experimental study of pollution effect on the behavior of high voltage insulators under alternative current

Hani BENGUESMIA, Nassima M’ZIOU, Ahmed BOUBAKEUR

Frontiers in Energy 2021, Volume 15, Issue 1, Pages 213-221 doi: 10.1007/s11708-017-0479-1

Abstract: this paper, the impact of the conductivity and the distribution of pollution on the behavior of the highvoltage insulator cap and pin 1512L, artificially polluted is described.different conductivities for a discontinuous distribution of the pollution on the insulator under an AC voltageFurthermore, the influence of the pollution on the flashover voltage and the leakage current is studied

Keywords： 1512L insulator circular model artificial pollution flashover leakage current discontinuous pollution highvoltage

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Development and advances in modular multilevel converter based HVDC projects in China

Frontiers of Engineering Management Pages 183-189 doi: 10.1007/s42524-022-0248-7

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Keywords： high voltage direct current power converter power systems renewable energy ultra-high voltage

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Reasonable Rated Voltage of High and Medium Power Adjustable-Speed Drives for Energy Saving

Ma Xiaoliang

Strategic Study of CAE 2001, Volume 3, Issue 11, Pages 80-84

Abstract:

A large amount of energy will be saved if adjustable-speed drives are adopted by high and medium powerThe rated voltage of most of the motors in the power range is 10 kV because the power supply is 10 kVbecause this kind of inverter consists of a lot of power electronic devices in series and its cost is highand reliability is poorer than lower voltage one.of the motor and inverter is the same as power supply, i. e. a lower rated voltage can be used for the

Keywords： high and medium power adjustable-speed drives for energy saving reasonable rated voltage low voltageinverters medium voltage inverters by-pass

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High purity Mn

Xiaoqiang SHAN, Fenghua GUO, Wenqian XU, Xiaowei TENG

Frontiers in Energy 2017, Volume 11, Issue 3, Pages 383-400 doi: 10.1007/s11708-017-0485-3

Abstract: Developing electrodes with high specific energy by using inexpensive manganese oxides is of great importanceIn this paper, the synthesis of high purity layered Mn O nanoparticles through solid state thermal treatment

Keywords： manganese oxides Mn₅O₈ high voltage aqueous Na-ion storage

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Research of an Interleaved Low-Voltage/High-Current DC-DC Converter

Wang Ping,Sun Xu,Song Liangyu

Strategic Study of CAE 2005, Volume 7, Issue 4, Pages 59-63

Abstract:

In the recent years, the operating voltages of most high-performance microprocessors were lower thanthat of the previous ones and the research of low-voltage/high-current DC-DC converter was enhanced.

Keywords： low-voltage/high-current DC-DC converter current-doublers interleaved

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A pseudocapacitive molecule-induced strategy to construct flexible high-performance asymmetric supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9, Pages 1208-1220 doi: 10.1007/s11705-023-2304-1

Abstract: The combination of high-voltage windows and bending stability remains a challenge for supercapacitorssodium lignosulfonate-based electrodes are successfully developed, showing perfect bending stability and highinterfacial structure and stable ion-electron transport, the asymmetric supercapacitors provide a wide voltagewindow reaching 1.7 V, outstanding bending stability and high energy-power density of 83.87 Wh·kgvoltage

Keywords： synergy pseudocapacitive lignosulfonate flexible electronic devices asymmetric supercapacitor wide voltage

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On 3Dface reconstruction via cascaded regression in shape space Article

Feng LIU, Dan ZENG, Jing LI, Qi-jun ZHAO

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 12, Pages 1978-1990 doi: 10.1631/FITEE.1700253

Abstract: Cascaded regression has been recently applied to reconstruct 3D faces from single 2D images directlyWe investigate thoroughly such cascaded regression based 3D face reconstruction approaches from fourTo answer these questions, a simplified cascaded regression based 3D face reconstruction method is devisedThe results not only deepen the understanding of cascaded regression based 3D face reconstruction approaches

Keywords： 3D face reconstruction Cascaded regressor Shape space Real-time

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A fast face detection algorithm using enhanced AdaBoostbased on walsh features

Guo Zhibo,Yang Jingyu,Liu Huajun,Yan Yunyang

Strategic Study of CAE 2008, Volume 10, Issue 7, Pages 125-131

Abstract: is developed, where double threshold makes training process faster ; and in the process of training cascadeddetector, the next classifier can be guided by the former classifier,which enhances the performance of the cascaded

Keywords： Walsh features enhanced AdaBoost cascaded detector face detection

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New Cuk Matrix Converter with High Voltage Transfer Ratio

Zhang Xiaoping,Zhu Jianlin,Tang Huaping,Zhang Binggen,Liu Shasha

Strategic Study of CAE 2008, Volume 10, Issue 4, Pages 78-83

Abstract:

The drawback of classical matrix converter having low voltage transferand its fundamental are firstly introduced, the analytic expression concerning functions relation of voltagevalidity and feasibility of the new topology are tested by simulation.The results show that the output voltageand frequency can be modulated optionally by the new converter, of which the voltage transfer ratioThus the inherent problem of classical matrix converter having low voltage transfer ratio is effectively

Keywords： Cuk matrix converter circuit topology voltage transfer ratio double-loop control simulation

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High Performance Electrically Small Huygens Rectennas Enable Wirelessly Powered Internet of Things Sensing Review

Wei Lin, Richard W. Ziolkowski

Engineering 2022, Volume 11, Issue 4, Pages 42-59 doi: 10.1016/j.eng.2021.08.025

Abstract: smaller integrated rectennas that simultaneously have large electromagnetic wave capture capabilities, highA series of high-performance electrically small Huygens rectennas are presented including Huygens linearly-polarized

Keywords： Cardioid pattern Electrically small antenna Huygens dipole antenna Internet of Things (IoT) Rectenna Rectifier

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Analysis and stabilization control of a voltage source controlled wind farm under weak grid conditions

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 943-955 doi: 10.1007/s11708-021-0793-5

Abstract: the wind turbines (WTs) are controlled by a new type of converter control strategy referred to as the voltageThe primary intention of the VS control method is to achieve the high-quality inertial response capability

Keywords： weak grids voltage source (VS) control wind turbine (WT) stabilization control wind farm inertial