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UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterThe power flow controllers, e.g., the unified power flow controller (UPFC), may be the reason and theapproaching to the critical existing condition, the integrated power flow needs less iterations andBesides, with wind power fluctuation, the interval power flow (IPF) is introduced into the integratedpower flow, and solved with the affine Krawcyzk iteration to make sure that the range of active power

Keywords： active power loop flow (APLF)     unified power flow controller (UPFC)     wind power uncertainty     interval powerflow (IPF)    

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Interactive DE for solving combined security environmental economic dispatch considering FACTS technology

Belkacem MAHDAD, K. SRAIRI, B. TAREK

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 429-447 doi: 10.1007/s11708-013-0270-x

Abstract: This paper presents an efficient interactive differential evolution (IDE) to solve the multi-objective securityTwo sub problems are proposed.The first one is related to the active power planning to minimize the combinedtotal fuel cost and emissions, while the second is a reactive power planning (RPP) using multi shuntspecified buses to make fine corrections to the voltage deviation, voltage phase profiles and reactive powerflow in terms of solution quality and convergence characteristics.

Keywords： optimal power flow (OPF)     economic dispatch     environment     differential evolution     migration operator     multi-objective    

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Theory and Method of Power System Integrated Security Region Irrelevant to Operation States: An Introduction Feature Article

Yixin Yu, Yanli Liu, Chao Qin, Tiankai Yang

Engineering 2020, Volume 6, Issue 7,   Pages 754-777 doi: 10.1016/j.eng.2019.11.016

Abstract:

How to comprehensively consider the power flow constraints and various stability constraints in aThe computational burden of probabilistic security assessment is even more unimaginable.In order to solve such problems, a security region (SR) methodology is proposed, which is a brand-newBased on this finding, the calculation time for power system probabilistic security assessment (i.e.,risk analysis) and power system optimization with security constraints can be decreased by orders of

Keywords： Security region     Composition     Power flow security     Static voltage stability     Small-disturbance stability    

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Solving multi-objective optimal power flow problem considering wind-STATCOM using differential evolution

Belkacem MAHDAD, K. SRAIRI

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 75-89 doi: 10.1007/s11708-012-0222-x

Abstract: differential evolution was proposed for solving the problem of multi-objective environmental optimal powerflow considering a hybrid model (Wind-Shunt-FACTS).The DE algorithm optimized simultaneously a combined vector control based active power of wind sourcesand reactive power of multi STATCOM exchanged with the electrical power system to minimize fuel costexamined and applied to the standard IEEE 30-bus with smooth cost function to solve the problem of security

Keywords： differential evolution     multi-objective function     optimal power flow     economic dispatch     valve point effect    

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Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 399-412 doi: 10.1007/s11708-015-0374-6

Abstract: This paper demonstrates the convergence of the integrated AC-DC power-flow algorithm as affected by theFor power-flow modeling of integrated AC-DC systems, the base values of the various DC quantities canIt is observed that different per-unit system models affect the convergence of the power-flow algorithmIn a similar manner, the control strategy adopted for the DC link also affects the power-flow convergenceThe sequential method is used to solve the DC variables in the Newton Raphson (NR) power flow model,

Keywords： AC-DC power-flow     Newton-Raphson method     high voltage direct current (HVDC) control strategy    

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Effects of rotor and stator geometry on dissolution process and power consumption in jet-flow high shear

Lin Yang, Wenpeng Li, Junheng Guo, Wei Li, Baoguo Wang, Minqing Zhang, Jinli Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 384-398 doi: 10.1007/s11705-020-1928-7

Abstract: The jet-flow high shear mixer (JF-HSM) is a new type of intensified equipment with special configurationsThe mass transfer property and power consumption were studied in the solid-liquid system for a seriesThe flow characteristics were examined by computational fluid dynamic simulations.Results indicate that the turbulent power consumption of the JF-HSM is affected by the change in rotorDimensionless correlations for the mass transfer coefficient and power consumption were obtained to guide

Keywords： jet-flow high shear mixer     solid particle dissolution     power consumption characteristics     CFD Simulation    

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Optimal operation of integrated energy system including power thermal and gas subsystems

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 105-120 doi: 10.1007/s11708-022-0814-z

Abstract: mainly on model building and optimal operation of the integrated energy system, in this paper, the dist-flowmethod is applied to quickly calculate the power flow and the gas system model is built by the analogyof the power system model.In addition, the piecewise linearization method is applied to solve the quadratic Weymouth gas flow equationThe power-thermal-gas integrated energy system used in the case study includes an IEEE-33 bus power system

Keywords： integrated energy system     power-to-gas     dist-flow     piecewise linearization     alternating direction method    

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Strategy for Guaranteeing Power Supply Security of China

Rao Hong, Han Feng, Chen Zheng, Huang Guori, Wang Dan, Zhang Ye,Cai Wantong, Xu Min, Jiang Weiyong, Zhou Baorong

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 100-110 doi: 10.15302/J-SSCAE-2023.02.009

Abstract:

Electric power is vital for the national security, economy, and peopleTherefore, it is imperative to analyze the weaknesses and challenges of power supply security in ChinaHerein, the research progress of power security supply is reviewed, the current status of power supplycapabilities to solidify its foundation for power supply security; (2) improving the intrinsic securityguaranteeing power supply security; and (4) optimizing the market system to construct a power security

Keywords： power security     supply security     carbon peaking and carbon neutrality     new type of power system    

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Biofuels and food security

Dmitry S. STREBKOV

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 1,   Pages 1-12 doi: 10.15302/J-FASE-2015052

Abstract: Other alternative energy sources including solar energy and electric power generation are also discussedOne of the downsides of biomass energy is its potential threatens to food security and forage industriespromising energy model for future is based on direct solar energy conversion and transcontinental terawatt power

Keywords： fossil fuels     biofuels     food security     electric power     solar energy    

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Strategic Framework for New Electric Power System Development under the Energy Security Pattern

Tang Guangfu , Zhou Jing , Pang Hui , Lin Junjie , Fan Zheng , Wu Yanan ,He Zhiyuan , Ma Shicong , Xue Feng , Zhou Baorong

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 79-88 doi: 10.15302/J-SSCAE-2023.02.010

Abstract: However, the security of the electric power system faces severe challenges owing to the volatilitysystem to energy security.the new electric power system security are analyzed.;and security defense.to provide a basic reference for the new electric power system construction and the security development

Keywords： energy security     new electric power system     emergency warning     sharing and mutual aid     security defense    

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Application of AI techniques in monitoring and operation of power systems

David Wenzhong GAO, Qiang WANG, Fang ZHANG, Xiaojing YANG, Zhigang HUANG, Shiqian MA, Qiao LI, Xiaoyan GONG, Fei-Yue WANG

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 71-85 doi: 10.1007/s11708-018-0589-4

Abstract: However, the application of AI techniques in power systems is still in its infancy.Therefore, in this paper, the application potentials of AI technologies in power systems will be discussedby mainly focusing on the power system operation and monitoring.At the end of the paper, a case study to use the neural network (NN) for power flow analysis is providedas a simple example to demonstrate the viability of AI techniques in solving power system problems.

Keywords： power system operation and monitoring     artificial intelligence (AI)     deep learning     power flow analysis    

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Impact evaluation of large scale integration of electric vehicles on power grid

Rabah BOUDINA, Jie WANG, Mohamed BENBOUZID, Farid KHOUCHA, Mohamed BOUDOUR

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 337-346 doi: 10.1007/s11708-018-0550-6

Abstract: interaction capability known as the vehicle-to-grid (V2G) that can play a supporting role for the whole powersystem by providing many ancillary services such as energy storage mean and power quality enhancer.The results of power flow analysis and the dynamic response of the grid parameters variation are presented

Keywords： PHEV     vehicle-to-grid (V2G)     technical impact     IEEE 14 bus     power flow analysis    

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Security Pattern and Regulation of Agricultural Water Resources in Northwest China from the Perspectiveof Virtual Water Flow

Zhang Jiaxin, Deng Mingjiang, Li Peng, Li Zhanbin, Huang Huiping, Shi Peng, Feng Chaohong

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 131-140 doi: 10.15302/J-SSCAE-2022.01.014

Abstract: strategically crucial for China’s economic development, social stability, and national defense securityIt allowed researchers to re-examine issues such as food security, water security, and agricultural productEvolution trend of virtual water flow of specific crops in TWL (2000–2018).Wflow of specific crops in TWL (2018).Additionally, they can actively develop development projects such as wind and solar power generation

Keywords： Northwest China     crop production and trade     water security     food security     regulation of physical and    

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Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 128-136 doi: 10.1007/s11783-013-0598-9

Abstract: method is presented in this paper in order to estimate and predict the periodicity of the influent flowdata filtering using wavelet decomposition and reconstruction; 2) typical cycle identification using powerinfluence of the rainfalls, a linear fitting model is derived to estimate the relationship between flowin different cycles (especially cycles longer than 1 day); 2) when the flow rate and NH concentrations) the periodicity influence is larger than rainfalls; 4) the rainfalls will make the periodicity of flow

Keywords： influent load prediction     wavelet de-noising     power spectrum density     autoregressive model     time-frequency    

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Smart Grid Wide-Area Transmission System Visualization Artical

Thomas J. Overbye,James Weber

Engineering 2015, Volume 1, Issue 4,   Pages 466-474 doi: 10.15302/J-ENG-2015098

Abstract: This paper presents a survey of some visualization techniques that have been deployed by the electric power

Keywords： electric power systems     wide-area visualization     power flow     transient stability     smart grid     sparklines    

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Title Author Date Type Operation

UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Journal Article

Interactive DE for solving combined security environmental economic dispatch considering FACTS technology

Belkacem MAHDAD, K. SRAIRI, B. TAREK

Journal Article

Theory and Method of Power System Integrated Security Region Irrelevant to Operation States: An Introduction

Yixin Yu, Yanli Liu, Chao Qin, Tiankai Yang

Journal Article

Solving multi-objective optimal power flow problem considering wind-STATCOM using differential evolution

Belkacem MAHDAD, K. SRAIRI

Journal Article

Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Journal Article

Effects of rotor and stator geometry on dissolution process and power consumption in jet-flow high shear

Lin Yang, Wenpeng Li, Junheng Guo, Wei Li, Baoguo Wang, Minqing Zhang, Jinli Zhang

Journal Article

Optimal operation of integrated energy system including power thermal and gas subsystems

Journal Article

Strategy for Guaranteeing Power Supply Security of China

Rao Hong, Han Feng, Chen Zheng, Huang Guori, Wang Dan, Zhang Ye,Cai Wantong, Xu Min, Jiang Weiyong, Zhou Baorong

Journal Article

Biofuels and food security

Dmitry S. STREBKOV

Journal Article

Strategic Framework for New Electric Power System Development under the Energy Security Pattern

Tang Guangfu , Zhou Jing , Pang Hui , Lin Junjie , Fan Zheng , Wu Yanan ,He Zhiyuan , Ma Shicong , Xue Feng , Zhou Baorong

Journal Article

Application of AI techniques in monitoring and operation of power systems

David Wenzhong GAO, Qiang WANG, Fang ZHANG, Xiaojing YANG, Zhigang HUANG, Shiqian MA, Qiao LI, Xiaoyan GONG, Fei-Yue WANG

Journal Article

Impact evaluation of large scale integration of electric vehicles on power grid

Rabah BOUDINA, Jie WANG, Mohamed BENBOUZID, Farid KHOUCHA, Mohamed BOUDOUR

Journal Article

Security Pattern and Regulation of Agricultural Water Resources in Northwest China from the Perspectiveof Virtual Water Flow

Zhang Jiaxin, Deng Mingjiang, Li Peng, Li Zhanbin, Huang Huiping, Shi Peng, Feng Chaohong

Journal Article

Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Journal Article

Smart Grid Wide-Area Transmission System Visualization

Thomas J. Overbye,James Weber

Journal Article