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Performance of PI controller for control of active and reactive power in DFIG operating in a grid-connectedvariable speed wind energy conversion system

Azzouz TAMAARAT,Abdelhamid BENAKCHA

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 371-378 doi: 10.1007/s11708-014-0318-6

Abstract: Due to several factors, wind energy becomes an essential type of electricity generation.The share of this type of energy in the network is becoming increasingly important.will introduce the vector control, which makes it possible to control independently the active and reactiveobserve the system behavior and evaluate the performance of the control for some optimization criteria (energyIt is also interesting to play on the quality of electric power by controlling the reactive power exchanged

Keywords： wind power     doubly fed induction generator (DFIG)     vector control     active power     reactive power     maximum power    

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Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 251-265 doi: 10.1007/s11708-022-0857-1

Abstract: the integrated electricity-gas network (IEGN) and strengthening the interaction between the active-reactiveThis paper proposes a day-ahead active-reactive power scheduling model for the IEGN with multi-microgridsrelationship between the subsystems of the IEGN, the potentialities of the IEGN with MMGs toward multi-energyBesides, motivated by the non-negligible impact of the reactive power, optimal inverter dispatch (OID) is considered to optimize the active and reactive power capabilities of the inverters of distributed

Keywords： combined cooling     heating     and power (CCHP)     integrated energy systems (IES)     natural gas     power distribution    

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Design and optimization of reactive distillation: a review

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 799-818 doi: 10.1007/s11705-021-2128-9

Abstract: Reactive distillation process, a representative process intensification technology, has been widely appliedHowever, due to the strong interaction between reaction and separation, the extension of reactive distillationTo overcome this problem, the design and optimization of reactive distillation have been widely studiedand illustrated for plenty of reactive mixtures over the past three decades.These design and optimization methods of the reactive distillation process are classified into three

Keywords： reactive distillation     process intensification     design method     reactive phase diagram     optimization algorithm    

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Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 12, doi: 10.1007/s11783-022-1591-y

Abstract:

● A novel PRB configuration based on passive convergent flow effect was proposed.

Keywords： Passive convergence-permeable reactive barrier (PC-PRB)     Permeable reactive barrier configuration     Numerical    

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Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1372-4

Abstract:

• The MCNZVI is prepared as an interesting material for PS activation.

Keywords： MCNZVI     Core-shell structure     Reactive Black 5     Persulfate     Mechanism    

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GASEOUS REACTIVE NITROGEN LOSSES FROM ORCHARDS, VEGETABLES AND TEA PLANTATIONS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 155-166 doi: 10.15302/J-FASE-2022477

Abstract:

● Gaseous N emissions from orchards, vegetables and tea plantations (OVT) are reviewed.

Keywords： fruit     greenhouse gas     green development     fertilizer management     climate change    

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Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 138-147 doi: 10.1007/s11708-012-0188-8

Abstract: This paper explores the capability of modified differential evolution (MDE) technique for solving the reactive

Keywords： reactive power dispatch (RPD)     modified differential evolution (MDE)     differential evolution algorithm    

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Elevated C-reactive protein levels predict worsening prognosis in Chinese patients with first-onset stroke

Jiangtao YAN, Rutai HUI, Daowen WANG

Frontiers of Medicine 2009, Volume 3, Issue 1,   Pages 30-35 doi: 10.1007/s11684-009-0005-x

Abstract: The role of high sensitivity C-reactive protein (hsCRP) in predicting prognosis after stroke in the Asian

Keywords： C-reactive protein     inflammation     stroke    

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Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 471-476 doi: 10.1007/s11705-011-1130-z

Abstract: The magnetohydrodynamic (MHD) boundary layer slip flow and solute transfer over a porous plate in the presence of a chemical reaction are investigated. The governing equations were transformed into self-similar ordinary differential equations by adopting the similarity transformation technique. Then the numerical solutions are obtained by a shooting technique using the fourth order Runge-Kutta method. The study reveals that due to the increase in the boundary slip, the concentration decreases and the velocity increases. On the other hand, with an increase in the magnetic field and mass suction, both boundary layer thicknesses decreased. As the Schmidt number and the reaction rate parameter increases, the concentration decreases and the mass transfer increases.

Keywords： slip flow     MHD boundary layer     reactive solute diffusion     flat plate     suction/injection    

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Activity and characteristics of “Oxygen-enriched” highly reactive absorbent for simultaneous flue gas

Yi ZHAO,Tianxiang GUO,Zili ZANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2,   Pages 222-229 doi: 10.1007/s11783-014-0636-2

Abstract: An “Oxygen-enriched” highly reactive absorbent was prepared by mixing fly ash, lime and a small quantityScanning Electron Microscope (SEM) and Accessory X-ray Energy Spectrometer (EDX) were used to observethe surface characteristics of fly ash, lime, “Oxygen-enriched” highly reactive absorbent and the spent

Keywords： “Oxygen-enriched” highly reactive absorbent     Surface characteristics     Flue gas circulating fluidized bed    

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Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 591-595 doi: 10.1007/s11783-014-0694-5

Abstract: Catalytic ozonation of Reactive Red X-3B in aqueous solution had been carried out in an ozone oxidationpresence of Mn-Fe-ceramic honeycomb catalyst could obviously improve the decoloration efficiency of ReactiveAdsorption of Reactive Red X-3B had no obviously influence on the degradation efficiency.tert-butanol significantly decreased the degradation efficiency, indicating that the degradation of Reactive

Keywords： catalytic ozonation     reactive red X-3B     ceramic honeycomb     hydroxyl radical (OH·)    

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Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 385-391 doi: 10.1007/s11705-011-1101-4

Abstract: This paper presents the distribution of a solute undergoing a first order chemical reaction in an axisymmetric laminar boundary layer flow along a stretching cylinder. Velocity slip condition at the boundary is used instead of no-slip condition. Similarity transformations are used to convert the partial differential equations corresponding to momentum and concentration into highly nonlinear ordinary differential equations. Numerical solutions of these equations are obtained by the shooting method. The velocity decreases with increasing slip parameter. The skin friction as well as the mass transfer rate at the surface is larger for a cylinder than for a flat plate.

Keywords： boundary layer     stretching cylinder     partial slip     mass transfer     similarity solution    

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Experimental study on shear behavior of prestressed reactive powder concrete I-girders

Hui ZHENG, Zhi FANG, Bin CHEN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 618-627 doi: 10.1007/s11709-018-0500-8

Abstract: As a new generation of concrete, RPC(Reactive Powder Concrete) has attracted great research attention

Keywords： prestressed concrete     RPC(Reactive Powder Concrete)     concrete beams     shear strength     experimental study    

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concentrations of ionic silver promote the proliferation of human keratinocytes by inducing the production of reactive

Xiaodong Duan, Daizhi Peng, Yilan Zhang, Yalan Huang, Xiao Liu, Ruifu Li, Xin Zhou, Jing Liu

Frontiers of Medicine 2018, Volume 12, Issue 3,   Pages 289-300 doi: 10.1007/s11684-017-0550-7

Abstract: /sup>) on the proliferation of human skin keratinocytes (HaCaT) and the production of intracellular reactive

Keywords： ionic silver     human keratinocyte     cell proliferation     reactive oxygen species     active oxygen scavenger     NAC    

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Control of the agglomeration of crystals in the reactive crystallization of 5-(difluoromethoxy)-2-mercapto

Yongli WANG, Shuyuan MA, Xiaodong Lü, Chuang XIE

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 423-431 doi: 10.1007/s11705-012-1211-7

Abstract: The spherical agglomeration of DMB during the reactive crystallization in a batch crystallizer was monitored

Keywords： 5-(difluoromethoxy)-2-mercapto-1H-benzimidazole (DMB)     reactive crystallization     agglomeration    

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Title Author Date Type Operation

Performance of PI controller for control of active and reactive power in DFIG operating in a grid-connectedvariable speed wind energy conversion system

Azzouz TAMAARAT,Abdelhamid BENAKCHA

Journal Article

Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Journal Article

Design and optimization of reactive distillation: a review

Journal Article

Passive convergence-permeable reactive barrier (PC-PRB): An effective configuration to enhance hydraulic

Journal Article

Preparation of nZVI embedded modified mesoporous carbon for catalytic persulfate to degradation of reactive

Journal Article

GASEOUS REACTIVE NITROGEN LOSSES FROM ORCHARDS, VEGETABLES AND TEA PLANTATIONS

Journal Article

Tuned reactive power dispatch through modified differential evolution technique

S. BISWAS (RAHA), N. CHAKRABORTY

Journal Article

Elevated C-reactive protein levels predict worsening prognosis in Chinese patients with first-onset stroke

Jiangtao YAN, Rutai HUI, Daowen WANG

Journal Article

Magnetohydrodynamic slip flow and diffusion of a reactive solute past a permeable flat plate with suction

Krishnendu BHATTACHARYYA, G. C. LAYEK

Journal Article

Activity and characteristics of “Oxygen-enriched” highly reactive absorbent for simultaneous flue gas

Yi ZHAO,Tianxiang GUO,Zili ZANG

Journal Article

Catalytic ozonation of reactive red X-3B in aqueous solution under low pressure: decolorization and OH

Hong SUN,Min SUN,Yaobin ZHANG,Xie QUAN

Journal Article

Chemically reactive solute transfer in a boundary layer slip flow along a stretching cylinder

Swati Mukhopadhyay

Journal Article

Experimental study on shear behavior of prestressed reactive powder concrete I-girders

Hui ZHENG, Zhi FANG, Bin CHEN

Journal Article

concentrations of ionic silver promote the proliferation of human keratinocytes by inducing the production of reactive

Xiaodong Duan, Daizhi Peng, Yilan Zhang, Yalan Huang, Xiao Liu, Ruifu Li, Xin Zhou, Jing Liu

Journal Article

Control of the agglomeration of crystals in the reactive crystallization of 5-(difluoromethoxy)-2-mercapto

Yongli WANG, Shuyuan MA, Xiaodong Lü, Chuang XIE

Journal Article