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Power system reconfiguration and loss minimization for a distribution systems using “Catfish PSO” algorithm

K Sathish KUMAR,S NAVEEN

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 434-442 doi: 10.1007/s11708-014-0313-y

Abstract: important ways to save electrical energy in the distribution system is network reconfiguration for lossreduction.in such a way that the radial structure of networks is maintained, all of the loads are energized, powerloss is reduced, power quality is enhanced, and system security is increased.reconfiguration (DFR) problem for a 33-bus and a 16-bus sample network, which effectively ensures the loss

Keywords： distribution system reconfiguration (DFR)     power loss reduction     catfish particle swarm optimization (catfish    

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Power fluctuation and power loss of wind turbines due to wind shear and tower shadow

Binrong WEN, Sha WEI, Kexiang WEI, Wenxian YANG, Zhike PENG, Fulei CHU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 321-332 doi: 10.1007/s11465-017-0434-1

Abstract: This study investigates the effects of wind shear and tower shadow on power output in terms of powerfluctuation and power loss to estimate the capacity and quality of the power generated by a wind turbinePower fluctuation and power loss due to wind shear and tower shadow are analyzed by performing theoreticalResults indicate that power fluctuation is mainly caused by tower shadow, whereas power loss is primarilyUnder steady wind conditions, power loss can be divided into wind farm loss and rotor loss.

Keywords： wind turbine     wind shear     tower shadow     power fluctuation     power loss    

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Comparison of optimal capacitor placement methods in radial distribution system with load growth and ZIP load model

Veera Venkata Satya Naryana MURTY, Ashwani KUMAR

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 197-213 doi: 10.1007/s11708-013-0249-7

Abstract: In this paper, a combined power loss sensitivity (PLS) index-based approach is proposed to determinelocation of the capacitors in the radial distribution system (RDS) based on the real and reactive combined losssensitivity index, as capacitor placement not only reduces real power loss with voltage profile improvementbut also reduces reactive power loss due to the reactive power compensation in the network.The results have been obtained with the existing methods of power loss index (PLI) and index vector (

Keywords： load growth     load models     reactive power compensation     radial distribution system     power loss index (PLI)     power loss sensitivity (PLS)     index vector (IV)    

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Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough

Honglun YANG, Qiliang WANG, Jingyu CAO, Gang PEI, Jing LI

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 867-881 doi: 10.1007/s11708-020-0707-y

Abstract: comprehensive thermodynamic and economic model to predict and compare the performance of concentrated solar powerThe simulation results reveal that power plants with novel receivers exhibit a superior thermodynamicIn Phoenix, the optimal operating temperature of the power plants is improved from 500°C to 560°C byFurthermore, the sensitivity analysis of the receiver heat loss, solar absorption, and freeze protectionSolar absorption has a positive contribution to annual electricity productions, whereas heat loss and

Keywords： concentrated solar power     parabolic trough receiver     heat loss     solar energy     annual performance    

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THD reduction with reactive power compensation for fuzzy logic DVR based solar PV grid connected system

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 464-479 doi: 10.1007/s11708-014-0307-9

Abstract: control approach for the 200 kW solar photovoltaic grid connected system with perturb and observe maximum powerPower quality improvement with comparison is conducted during fault with proportional integral (PI) andMPPT tracks the actual variable DC link voltage while deriving the maximum power from a photovoltaicshow that the fuzzy logic based DVR scheme demonstrates simultaneous exchange of active and reactive powersource converter (VSC) current and grid current with fast tracking of optimum operating point at unity power

Keywords： fuzzy logic     maximum power point tracking (MPPT)     proportional integral (PI)     control     voltage restorer    

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Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 551-570 doi: 10.1007/s11708-019-0641-z

Abstract: Within this agreement, all countries defined their own national contributions to CO reduction.increasing traffic, CO emissions from this mobility sector increased and CO emission from German powercalled “The German Coal Commission”) to propose a time line: how Germany can move out of coal-fired powermade: ① Until 2022: Due to a former decision of the German Government, the actual remaining nuclear powerplants should be switched off. ③ Until 2038: The final 17 GW of German hard coal or lignite-fired power

Keywords： CO2 reduction     mobility sector     renewable generation     coal commission     secured power generationcapacity     reliable power supply     power-to-gas     power-to-heat    

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Constriction factor based particle swarm optimization for analyzing tuned reactive power dispatch

Syamasree BISWAS(RAHA), Kamal Krishna MANDAL, Niladri CHAKRABORTY

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 174-181 doi: 10.1007/s11708-013-0246-x

Abstract: The reactive power dispatch (RPD) problem is a very critical optimization problem of power system whichminimizes the real power loss of the transmission system.In connection with the RPD problem, solving reactive power is compensated by incorporating shunt capacitors

Keywords： real power loss minimization     voltage stability     constriction factor     particle swarm optimization (PSO)    

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Fuzzy stochastic long-term model with consideration of uncertainties for deployment of distributed energy resources using interactive honey bee mating optimization

Iraj AHMADIAN,Oveis ABEDINIA,Noradin GHADIMI

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 412-425 doi: 10.1007/s11708-014-0315-9

Abstract: Reduction of loss and power purchased from the electricity market, loss reduction in peak load leveland reduction in voltage deviation are considered simultaneously as the objective functions.The output power of DERs is scheduled for each load level.

Keywords： component     distributed energy resources     fuzzy optimization     loss reduction     interactive honey bee matingoptimization (IHBMO)     voltage deviation reduction     stochastic programming    

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Review of recent advances of polymer based dielectrics for high-energy storage in electronic power devices

Wenjie Sun, Jiale Mao, Shuang Wang, Lei Zhang, Yonghong Cheng

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 18-34 doi: 10.1007/s11705-020-1939-4

Abstract: applications like high-voltage direct current transmission projects, distributed energy systems, high-powerLow electric loss is a critical prerequisite for capacitors for electric grids, while high-temperatureRequirements for polymer-based dielectrics in various power electronic equipment are emphasized, including

Keywords： dielectric capacitors     polymer-based dielectrics     energy density     dielectric loss     working temperature     frequency    

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Panoramic variation analysis of a family with neurodevelopmental disorders caused by biallelic loss-of-function

Frontiers of Medicine doi: 10.1007/s11684-023-1006-x

Abstract: Notably, the biallelic loss-of-function variants of TMEM141 were responsible for syndromic ID.

Keywords： neurodevelopmental disorder     autosomal recessive intellectual disability     consanguinity     spastic paraplegia     hearing loss    

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The R&D of Flue Gas Pollutants Deep-Removal Technology for Coal-fired Power Plants

Xiao-lu Zhang

Frontiers of Engineering Management 2015, Volume 2, Issue 4,   Pages 359-363 doi: 10.15302/J-FEM-2015057

Abstract: focusing on PM removal is the prime method of further reducing pollutants emission from coal-fired power

Keywords： coal-fired power plant     pollutants emission reduction     PM2.5     flue gas pollutants     deep-removal    

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Dynamic power-gating for leakage power reduction in FPGAs Research Article

Hadi JAHANIRAD,h.jahanirad@uok.ac.ir

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 4,   Pages 582-598 doi: 10.1631/FITEE.2200084

Abstract: In battery-restricted applications such as handheld electronics systems, low-power FPGAs are in greatalmost equals dynamic power in modern integrated circuit technologies, so the reduction of leads toWe propose a power-efficient architecture for static random access memory (SRAM) based FPGAs, in whichSimulation results show an approximately 95% reduction in consumption in sleep mode.Moreover, the total power consumption (leakage+dynamic power consumption) is reduced by more than 15%

Keywords： Field programmable gate array (FPGA)     Leakage power     Power-gating     Transistor-level circuit design    

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Design guidelines for urea hydrolysers for ammonia demand of the SCR DENOX project in coal-fired power

Peng ZHENG, Xuan YAO, Wei ZHENG

Frontiers in Energy 2013, Volume 7, Issue 1,   Pages 127-132 doi: 10.1007/s11708-012-0225-7

Abstract: The storage and transportation of liquid ammonia has always been a dilemma of the power plant.

Keywords： urea     hydrolyser     ammonia     selective catalytic reduction (SCR)    

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Research and application of on-shore power supply system for vessel in port of Shanghai

Bao Qifan

Strategic Study of CAE 2011, Volume 13, Issue 9,   Pages 63-68

Abstract: text-align: justify;">This paper prescribes a movable voltage-variable & frequency-variable on shore powersupply system which successfully provids on shore power for container vessel at port.The high-voltage power supply (10 kV/50 Hz/2 000 kV·A) for the Quay Cranes is used as the powerThis system is flexible with positive effect on energy-saving and emission reduction.

Keywords： on-shore power supply     energy-saving and emission reduction    

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Turnover and loss of nitrogenous compounds during composting of food wastes

YANG Yanmei, ZHANG Xiangfeng, YANG Zhifeng, XI Beidou, LIU Hongliang

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 251-256 doi: 10.1007/s11783-008-0042-8

Abstract: This study aimed to investigate the solid-phase nitrogen, water-soluble nitrogen, nitrogen loss togethercontent of the water-soluble nitrogen compounds in the compost greatly increased, the total nitrogen losssuggested that the control at the middle and late composting of thermophilic stage is the key to nitrogen loss
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Title Author Date Type Operation

Power system reconfiguration and loss minimization for a distribution systems using “Catfish PSO” algorithm

K Sathish KUMAR,S NAVEEN

Journal Article

Power fluctuation and power loss of wind turbines due to wind shear and tower shadow

Binrong WEN, Sha WEI, Kexiang WEI, Wenxian YANG, Zhike PENG, Fulei CHU

Journal Article

Comparison of optimal capacitor placement methods in radial distribution system with load growth and ZIP load model

Veera Venkata Satya Naryana MURTY, Ashwani KUMAR

Journal Article

Potential of performance improvement of concentrated solar power plants by optimizing the parabolic trough

Honglun YANG, Qiliang WANG, Jingyu CAO, Gang PEI, Jing LI

Journal Article

THD reduction with reactive power compensation for fuzzy logic DVR based solar PV grid connected system

Akhil GUPTA,Saurabh CHANANA,Tilak THAKUR

Journal Article

Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Journal Article

Constriction factor based particle swarm optimization for analyzing tuned reactive power dispatch

Syamasree BISWAS(RAHA), Kamal Krishna MANDAL, Niladri CHAKRABORTY

Journal Article

Fuzzy stochastic long-term model with consideration of uncertainties for deployment of distributed energy resources using interactive honey bee mating optimization

Iraj AHMADIAN,Oveis ABEDINIA,Noradin GHADIMI

Journal Article

Review of recent advances of polymer based dielectrics for high-energy storage in electronic power devices

Wenjie Sun, Jiale Mao, Shuang Wang, Lei Zhang, Yonghong Cheng

Journal Article

Panoramic variation analysis of a family with neurodevelopmental disorders caused by biallelic loss-of-function

Journal Article

The R&D of Flue Gas Pollutants Deep-Removal Technology for Coal-fired Power Plants

Xiao-lu Zhang

Journal Article

Dynamic power-gating for leakage power reduction in FPGAs

Hadi JAHANIRAD,h.jahanirad@uok.ac.ir

Journal Article

Design guidelines for urea hydrolysers for ammonia demand of the SCR DENOX project in coal-fired power

Peng ZHENG, Xuan YAO, Wei ZHENG

Journal Article

Research and application of on-shore power supply system for vessel in port of Shanghai

Bao Qifan

Journal Article

Turnover and loss of nitrogenous compounds during composting of food wastes

YANG Yanmei, ZHANG Xiangfeng, YANG Zhifeng, XI Beidou, LIU Hongliang

Journal Article