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A driving pulse edge modulation technique and its complex programming logic devices implementation

Xiao CHEN,Dong-chang QU,Yong GUO,Guo-zhu CHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 12,   Pages 1088-1098 doi: 10.1631/FITEE.1500111

Abstract: With the continual increase in switching speed and rating of power semiconductors, the switching voltagespike becomes a serious problem.and width of the pulse trains, without regulating the hardware circuit, the slope of the gate driving voltageis controlled to change the switching speed.voltage spike of IGBTs can be restrained through software, which is easier and more flexible to adjust

Keywords： Driving pulse edge modulation     Switching voltage spike     Complex programmable logic device (CPLD)     Active    

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Use of a coded voltage signal for cable switching and fault isolation in cabled seafloor observatories None

Zhi-feng ZHANG, Yan-hu CHEN, De-jun LI, Bo JIN, Can-jun YANG, Jun WANG

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 11,   Pages 1328-1339 doi: 10.1631/FITEE.1601843

Abstract: In establishing a permanent, reliable, and robust seafloor observatory, a highly reliable cable switchingswitching method for network configuration.Without additional communication path requirements, the switching method provides a way to communicateA coded voltage signal with a distinct sequence is employed as the communication medium to transmit commandsThe analysis of the maximum bit frequency of the voltage signals guarantees the accuracy of command recognition

Keywords： Cabled seafloor observatories     Cable switching and fault isolation     Coded voltage signal     Maximum bit frequency    

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Stress induced polarization switching and coupled hysteretic dynamics in ferroelectric materials

Linxiang WANG, Roderick MELNIK, Fuzai LV

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 287-291 doi: 10.1007/s11465-011-0230-2

Abstract: differential model is constructed for the coupled hysteretic dynamics via modeling the orientation switchingHysteresis loops associated with stress induced polarization switching and butterfly-shaped behaviorThe effects of mechanical loadings on the electrically induced switching are numerically investigated, as well as the mechanically-induced switching with various bias electric fields.

Keywords： differential model     state space     electromechanical switching     butterfly effects     hysteresis    

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Experimental investigation of a novel micro gas turbine with flexible switching function for distributed

Xiaojing LV, Weilun ZENG, Xiaoyi DING, Yiwu WENG, Shilie WENG

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 790-800 doi: 10.1007/s11708-020-0691-2

Abstract: Additionally, the flexible switching between the power generated by the MGT and the power grid is alsoThis system also can realize flexibly switching from the start motor mode to the generator mode, andfrom grid-connected mode to off-grid mode, because the innovative multi-state switching control system

Keywords： gas turbine     flexible switching system     control system     distributed power system     emission test    

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An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 364-370 doi: 10.1007/s11708-014-0324-8

Abstract: permanently across each phase winding of a three-phase induction motor along with the conventional delta-star switchingcapacitor and the criteria to be adopted for calculating the power output at which the star to delta switchingCompared to using only a single delta connected stator winding or a delta-star switching, the advantages

Keywords： delta-star switching     induction motor     power factor     steady-state analysis    

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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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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: In 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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A novel soft-switching twin arc pulse MAG welding inverter

WANG Zhenmin, XUE Jiaxiang, WANG Fuguang, HUANG Shisheng

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 2,   Pages 224-227 doi: 10.1007/s11465-007-0039-1

Abstract: process, a novel double wire pulse MAG welding inverter integrated with technologies, such as soft-switching

Keywords： high-speed     control     computer     experiment indicate     platform    

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China's First ATM Switching System and its Networking

Lei Zhenming

Strategic Study of CAE 2000, Volume 2, Issue 2,   Pages 53-55

Abstract:

The design and implementation of the first ATM Switching system of China (Named BTC -9500) was startedThe scheme of switching both ATM cells and IP datagram within a single switching fabric was proposedA model of new generation platform that supports multi-service switching is given.

Keywords： telecommunications     switching     ATM    

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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 voltage

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

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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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Molecular aspects of MERS-CoV

Ali A. Rabaan, Ali M. Bazzi, Shamsah H. Al-Ahmed, Jaffar A. Al-Tawfiq

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 365-377 doi: 10.1007/s11684-017-0521-z

Abstract: After a proposed bat to camel switching event, transmission of MERS-CoV to humans is likely to have beenEvolutionary changes in the virus, particularly in the viral spike protein which mediates virus-hostSynthetic peptides and candidate vaccines based on regions of the spike protein have shown promise in

Keywords： MERS-CoV     Saudi Arabia     spike protein     transmission     evolution     vaccine    

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Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Frontiers in Energy   Pages 782-795 doi: 10.1007/s11708-023-0905-8

Abstract: However, the high penetration rate of DPVs has brought problems such as voltage violation and power qualityTo address the problems, this paper proposes a cluster voltage control method for distributed photovoltaicFirst, it partitions the distribution network into clusters, and different clusters exchange terminal voltageonly greatly improves the operational efficiency of the algorithm but also effectively controls the voltageof the distribution network, and maximizes the consumption capacity of DPVs based on qualified voltage

Keywords： distributed photovoltaics (DPVs)     cluster partitioning     improved differential evolution algorithm     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: The rated voltage of most of the motors in the power range is 10 kV because the power supply is 10 kVlot of power electronic devices in series and its cost is high and reliability is poorer than lower voltageto the existence of input transformer of the inverter, it is not necessary to ask for that the rated voltageof 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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Interspecies transmission and evolution of the emerging coronaviruses: perspectives from bat physiology and protein spatial structure

Baicheng HUANG, Kegong TIAN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 2,   Pages 218-226 doi: 10.15302/J-FASE-2020324

Abstract: The relationship of spatial structural characteristics of the spike protein, a protein that is critical

Keywords： bat     coronavirus     evolution     host receptor     spike protein     transmission    

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Title Author Date Type Operation

A driving pulse edge modulation technique and its complex programming logic devices implementation

Xiao CHEN,Dong-chang QU,Yong GUO,Guo-zhu CHEN

Journal Article

Use of a coded voltage signal for cable switching and fault isolation in cabled seafloor observatories

Zhi-feng ZHANG, Yan-hu CHEN, De-jun LI, Bo JIN, Can-jun YANG, Jun WANG

Journal Article

Stress induced polarization switching and coupled hysteretic dynamics in ferroelectric materials

Linxiang WANG, Roderick MELNIK, Fuzai LV

Journal Article

Experimental investigation of a novel micro gas turbine with flexible switching function for distributed

Xiaojing LV, Weilun ZENG, Xiaoyi DING, Yiwu WENG, Shilie WENG

Journal Article

An improved delta-star switching scheme for reactive power saving in three-phase induction motors

P. RAJA,N. KUMARESAN,M. SUBBIAH

Journal Article

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

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

Journal Article

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

Tong Zhang, Elie Paillard

Journal Article

A novel soft-switching twin arc pulse MAG welding inverter

WANG Zhenmin, XUE Jiaxiang, WANG Fuguang, HUANG Shisheng

Journal Article

China's First ATM Switching System and its Networking

Lei Zhenming

Journal Article

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

Journal Article

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

Journal Article

Molecular aspects of MERS-CoV

Ali A. Rabaan, Ali M. Bazzi, Shamsah H. Al-Ahmed, Jaffar A. Al-Tawfiq

Journal Article

Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Journal Article

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

Ma Xiaoliang

Journal Article

Interspecies transmission and evolution of the emerging coronaviruses: perspectives from bat physiology and protein spatial structure

Baicheng HUANG, Kegong TIAN

Journal Article