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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: strategy referred to as the voltage source (VS) control.The primary intention of the VS control method is to achieve the high-quality inertial response capabilityTo this end, a frequency domain model of the wind farm under the VS control is first developed.A crucial finding is that the inertial response of VS control has negative impacts on the stability marginof VS control while fulfilling the demand of inertial responses.

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

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A simple digital control algorithm for three phase shunt active filter: simulation and experimentation

Subbaraman SRINATH, Chandan KUMAR, M. P. SELVAN

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 119-128 doi: 10.1007/s11708-013-0288-0

Abstract: A novel and simple control algorithm using digital signal processor (DSP) has been proposed and realizedThis reduces the computational complexity and makes the control flexible and faster.MATLAB/SIMULINK while DSP TMS320LF2407 is employed in the digital implementation of hysteresis current controlresults correlate with the simulation results in reducing the total harmonic distortion (THD) of the source

Keywords： shunt active filter (SAF)     power quality     voltage source inverter (VSI)     digital signal processor (DSP)    

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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: The traditional centralized control method of the distribution network has the problem of low efficiencyTo address the problems, this paper proposes a cluster voltage control method for distributed photovoltaicThen, in each cluster, based on the control strategy of “reactive power compensation first, active powerlater,” it employs an improved differential evolution (IDE) algorithm based on Cauchy disturbance to controlthe voltage.

Keywords： distributed photovoltaics (DPVs)     cluster partitioning     improved differential evolution algorithm     voltagecontrol     consumption capacity of distributed photovoltaics    

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Fault tolerant control strategy for modular PWM current source inverter

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 228-238 doi: 10.1007/s11708-022-0852-6

Abstract: In this paper, a fault-tolerant control method for an input-series output-parallel modular grid-tiedpulse-width modulation (PWM) current source inverter is proposed to address the most commonly seen singleIn addition, an active damping control method based on grid harmonic current feedback is proposed after

Keywords： current source converter (CSC)     fault-tolerant control     space vector modulation     active damping     resonance    

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DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variable

Youcef BEKAKRA,Djilani BEN ATTOUS

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 345-354 doi: 10.1007/s11708-014-0330-x

Abstract: This paper proposes an indirect power control of doubly fed induction generator (DFIG) with the rotorAn original control strategy based on a variable structure control theory, also called sliding mode control, is applied to achieve the control of the active and reactive power exchanged between the stator ofA proportional-integral-(PI) controller is used to keep the DC-link voltage constant for a back-to-back

Keywords： doubly fed induction generator (DFIG)     wind turbine     back-to-back pulse width modulation (PWM)     DC-link voltage     sliding mode control    

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STRENGTHENING NON-POINT SOURCE POLLUTION CONTROL TO PROMOTE AGRICULTURAL GREEN DEVELOPMENT

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 503-509 doi: 10.15302/J-FASE-2023528

Abstract:

STRENGTHENING NON-POINT SOURCE POLLUTION CONTROL TO PROMOTE AGRICULTURAL GREEN DEVELOPMENT

Keywords： GREEN     AGRICULTURAL     PROMOTE     POLLUTION     SOURCE     DEVELOPMENT     POINT     STRENGTHENING     CONTROL    

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Fabrication of layered structure VS anchor in 3D graphene aerogels as a new cathode material for lithium

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 597-602 doi: doi:10.1007/s11708-018-0576-9

Abstract: VS4 has gained more and more attention for its high theoretical capacity (449 mAh/g with 3eHerein, a layered structure VS4 anchored in graphene aerogels is prepared and first reportedVS4@GAs composite exhibits an exceptional high initial reversible capacity (511 mAh/g), an

Keywords： VS4     graphene aerogels     cathode     lithium storage    

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Unified power quality conditioner based on a three-level NPC inverter using fuzzy control techniquesfor all voltage disturbances compensation

Salim CHENNAI,M-T BENCHOUIA

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 221-239 doi: 10.1007/s11708-014-0317-7

Abstract: This paper presents a novel and efficient control scheme for unified power quality conditioner (UPQC)The proposed UPQC is capable of mitigating source current harmonics and compensate all voltage disturbancesThe DC voltage is maintained constant using proportional integral voltage controller.The shunt and series APF reference signals derived from the control algorithm and sensed signals areTo improve the UPQC capability, fuzzy logic techniques are introduced to control the series APF.

Keywords： inverter     unified power quality conditioner (UPQC)     current harmonics mitigation     fuzzy logic controller     voltage    

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Prevention and control of zoonoses at their source: from the Chinese perspective

Songtao YANG,Yuwei GAO,Jun QIAN,Quan LIU,Xuexing ZHENG,Hualei WANG,Zhiping XIA,Xianzhu XIA

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 2,   Pages 96-103 doi: 10.15302/J-FASE-2014030

Abstract: strategies and has taken measures to deal with the challenges of these diseases, and the prevention and controlof zoonoses at their source.

Keywords： zoonosis     prevention and control     joint prevention and control    

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Role of rural solid waste management in non-point source pollution control of Dianchi Lake catchments

LU Wenjing, WANG Hongtao

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 15-23 doi: 10.1007/s11783-008-0006-z

Abstract: In recent years, with control of the main municipal and industrial point pollution sources and implementationof cleaning for some inner pollution sources in the water body, the discharge of point source pollutiondecreased gradually, while non-point source pollution has become increasingly distressing in DianchiAs one of the major targets in non-point source pollution control, an integrated solid waste controlling
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Nanomaterials for environmental burden reduction, waste treatment, and nonpoint source pollution control

Guobin SHAN , Rajeshwar D. TYAGI , Rao Y. SURAMPALLI , Tian C. ZHANG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 249-264 doi: 10.1007/s11783-009-0029-0

Abstract: reduction of environmental burden, reduction/treatment of industrial and agricultural wastes, and nonpoint source(NPS) pollution control.First, environmental burden reduction involves green process and engineering, emissions control, desulfurizationThird, NPS pollution control involves controlling water pollution.

Keywords： nanomaterials     industrial     agricultural     nonpoint source pollution     environmental burden reduction    

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Constant temperature control of tundish induction heating power supply for metallurgical manufacturing

Yufei YUE, Qianming XU, Peng GUO, An LUO

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 16-26 doi: 10.1007/s11708-018-0572-0

Abstract: Specially, the constant temperature control is greatly significant for metallurgical manufacturing.of the relationship between TIH load temperature and output power of TIHPS, the constant temperature controlcan be realized by power control.Besides, an input harmonic current blocking strategy and a load voltage feedforward control are alsoproposed to realize constant temperature control.

Keywords： tundish induction heating power supply (TIHPS)     constant temperature control     input harmonic current blocking     load voltage feedforward    

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quality improvement using fuzzy logic controller for five-level shunt active power filter under distorted voltage

Amar BENAISSA,Boualaga RABHI,Ammar MOUSSI

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 212-220 doi: 10.1007/s11708-013-0284-4

Abstract: eliminate harmonics drawn from a thyristor rectifier feeding an inductive load (RL) under distorted voltageThe APF control strategy is based on the use of self-tuning filters (STF) for reference current generationThe use of STF instead of classical extraction filters allows extracting directly the voltage and currentThe MATLAB fuzzy logic toolbox is used for implementing the fuzzy logic control algorithm.controller has produced a sinusoidal supply current with low harmonic distortion and in phase with the line voltage

Keywords： active power filter (APF)     harmonics isolator     distorted voltage conditions     self-tuning filters (STF)     fuzzylogic control    

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INTERACTIVE KNOWLEDGE LEARNING BY ARTIFICIAL INTELLIGENCE FOR SMALLHOLDERS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 648-653 doi: 10.15302/J-FASE-2023505

Abstract: prevention of the overuse of nitrogen and phosphorus fertilizers, and mitigating agricultural non-point source

Keywords： artificial intelligence     extension system     non-point source pollution control     smallholders     fertilization    

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Intelligent algorithm for optimal meter placement and bus voltage estimation in ring main distribution

L. RAMESH, N. CHAKRABORTY, S. P. CHOWDHURY

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 47-56 doi: 10.1007/s11708-011-0159-5

Abstract: The second stage is to estimate the bus voltage magnitude, where real time measurement is conducted andthrough identified meter location which is more essential for decision making in distribution supervisory controlthe swarm tuned artificial neural network (ANN) estimator is best suited for accurate estimation of voltage

Keywords： artificial intelligence     power distribution control     state estimation    

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Title Author Date Type Operation

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

Journal Article

A simple digital control algorithm for three phase shunt active filter: simulation and experimentation

Subbaraman SRINATH, Chandan KUMAR, M. P. SELVAN

Journal Article

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

Journal Article

Fault tolerant control strategy for modular PWM current source inverter

Journal Article

DFIG sliding mode control fed by back-to-back PWM converter with DC-link voltage control for variable

Youcef BEKAKRA,Djilani BEN ATTOUS

Journal Article

STRENGTHENING NON-POINT SOURCE POLLUTION CONTROL TO PROMOTE AGRICULTURAL GREEN DEVELOPMENT

Journal Article

Fabrication of layered structure VS anchor in 3D graphene aerogels as a new cathode material for lithium

Journal Article

Unified power quality conditioner based on a three-level NPC inverter using fuzzy control techniquesfor all voltage disturbances compensation

Salim CHENNAI,M-T BENCHOUIA

Journal Article

Prevention and control of zoonoses at their source: from the Chinese perspective

Songtao YANG,Yuwei GAO,Jun QIAN,Quan LIU,Xuexing ZHENG,Hualei WANG,Zhiping XIA,Xianzhu XIA

Journal Article

Role of rural solid waste management in non-point source pollution control of Dianchi Lake catchments

LU Wenjing, WANG Hongtao

Journal Article

Nanomaterials for environmental burden reduction, waste treatment, and nonpoint source pollution control

Guobin SHAN , Rajeshwar D. TYAGI , Rao Y. SURAMPALLI , Tian C. ZHANG

Journal Article

Constant temperature control of tundish induction heating power supply for metallurgical manufacturing

Yufei YUE, Qianming XU, Peng GUO, An LUO

Journal Article

quality improvement using fuzzy logic controller for five-level shunt active power filter under distorted voltage

Amar BENAISSA,Boualaga RABHI,Ammar MOUSSI

Journal Article

INTERACTIVE KNOWLEDGE LEARNING BY ARTIFICIAL INTELLIGENCE FOR SMALLHOLDERS

Journal Article

Intelligent algorithm for optimal meter placement and bus voltage estimation in ring main distribution

L. RAMESH, N. CHAKRABORTY, S. P. CHOWDHURY

Journal Article