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Unified power quality conditioner based on a three-level NPC inverter using fuzzy control techniques

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 synchronous reference frame (SRF) theory is used to get the reference signals for shunt active powerfilters (APFs) and the power reactive theory (p-q theory) for series APFs.The performances of the proposed UPQC system are evaluated in terms of power factor correction, mitigationenergy quality.

Keywords： three-level neutral point clamped (NPC) inverter     unified power quality conditioner (UPQC)     current harmonicsmitigation     fuzzy logic controller     voltage disturbance compensation     shunt active filter     series active filter     powerquality energy improvement    

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Quality and efficiency improvement technology for five megawatt offshore wind turbines and its application

Huali HAN

Frontiers of Engineering Management 2020, Volume 7, Issue 4,   Pages 618-621 doi: 10.1007/s42524-020-0142-0

Keywords： renewable energy     megawatt offshore wind turbine     technology-driven     quality improvement    

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

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: In this paper, a five-level inverter is used as a shunt active power filter (APF), taking advantagesIt is used to compensate reactive power and eliminate harmonics drawn from a thyristor rectifier feeding

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

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Exploring differentiated improvement strategies of cultivated land quality in China

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023523

Abstract:

● Cultivated land quality can be considered in four dimensions: suitability

Keywords： China     cultivated land quality     differentiated improvement     food security    

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Decoupling optimization of integrated energy system based on energy quality character

Shixi MA, Shengnan SUN, Hang WU, Dengji ZHOU, Huisheng ZHANG, Shilie WENG

Frontiers in Energy 2018, Volume 12, Issue 4,   Pages 540-549 doi: 10.1007/s11708-018-0597-4

Abstract: various energy equipment such as gas-fired power plants and electricity-driven gas compressor.Therefore, the integrated energy system has attracted much attention.quality character after considering the grade difference of the energy loss of the subsystem, and findsan optimal scheduling method for integrated energy systems.system composed of an IEEE 39 nodes power system and a 10 nodes natural gas system.

Keywords： integrated energy system     energy quality character     optimization     electric power system     natural gas system    

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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 thermodynamicThe annual electricity productions of power plants with novel receivers in Phoenix, Sevilla, and TuotuoheThe levelized cost of electricity of power plants with double-selective-coated receivers can be decreasedIn Phoenix, the optimal operating temperature of the power plants is improved from 500°C to 560°C by

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

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Genetic improvement of wheat grain quality at CIMMYT

Carlos GUZMÁN, Karim AMMAR, Velu GOVINDAN, Ravi SINGH

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 265-272 doi: 10.15302/J-FASE-2019260

Abstract:

The International Maize and Wheat Improvement Center (CIMMYT) is the global leader in publicly-fundedWheat quality improvement is a central component of all the breeding efforts at CIMMYT and the WheatChemistry and Quality Laboratory represents an integral part of the breeding programs.milling, processing, end-use and nutritional quality targeted.and environmental effects on quality traits, (3) characterization of genetic resources for quality improvement

Keywords： biofortification     breeding     grain quality     wheat    

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Air quality improvement in Los Angeles—Perspectives for developing cities

David D. Parrish,Jin Xu,Bart Croes,Min Shao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0859-5

Abstract: Air quality improvement in Los Angeles can inform air quality policies in developing cities.Opportunities for co-benefits for climate and air quality improvement are identified.Air quality improvement in Los Angeles, California is reviewed with an emphasis on aspects that may informair quality policy formulation in developing cities.the opportunities for co-benefits for climate and air quality improvement are pointed out.

Keywords： Air pollution     Ozone     Particulate matter     Control technology    

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Association between ICU quality and in-hospital mortality of V-V ECMO-supported patients—the ECMO qualityimprovement action (EQIA) study: a national cohort study in China from 2017 to 2019

Frontiers of Medicine doi: 10.1007/s11684-023-1014-x

Abstract: This cohort study was performed to explore the influence of intensive care unit (ICU) quality on in-hospitalpatients in 318 of 1700 tertiary hospitals from 2017 to 2019, using data from the National Clinical ImprovementSystem and China National Critical Care Quality Control Center.ICU quality was assessed by quality control indicators and capacity parameters.Thus, ICU quality may play an important role in improving the prognosis of V-V ECMO-supported patients

Keywords： veno-venous extracorporeal membrane oxygenation     in-hospital mortality     high-volume centers     quality    

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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: The simulation and prototype construction of SAF is conducted to compensate the reactive power and harmonicssimulation results in reducing the total harmonic distortion (THD) of the source current and achieving unity power

Keywords： shunt active filter (SAF)     power quality     voltage source inverter (VSI)     digital signal processor (DSP)     total harmonic distortion (THD)     power factor improvement    

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Strategy of Manufacturing Quality Power

The Research Group for Manufacturing Quality Power Strategy

Strategic Study of CAE 2015, Volume 17, Issue 7,   Pages 24-28

Abstract:

The meaning to implement the Manufacturing Quality Power Strategy was systematically discussed inthis research, and the present situation of manufacturing quality development in our country was analyzed

Keywords： manufacturing power     quality     strategy    

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Target the neglected VOCs emission from iron and steel industry in China for air quality improvement

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1695-z

Abstract:

● Haze formation in China is highly correlated with iron and steel industry.

Keywords： Volatile organic compounds     Iron and steel industry     Air quality     Sinter flue gas emission    

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Effect of harmonic distortion on electric energy meters of different metrological principles

Illia DIAHOVCHENKO, Vitalii VOLOKHIN, Victoria KUROCHKINA, Michal ŠPES, Michal KOSTEREC

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 377-385 doi: 10.1007/s11708-018-0571-1

Abstract: This paper deals with the errors of electric energy metering devices as a result of distortions in theIt is shown and proved that the errors in energy measurements depend on the design and the algorithmsharmonic distortions and the constant component which occur in the network while others measure the powerand energy values of the fundamental harmonic only.Such traits lead to the discrepancies in the readings of commercial electric energy meters of different

Keywords： current     distortion     electric energy meter     harmonics     power quality    

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Strategy for Improving Product Quality of Manufacturing Industry in China

Zhang Hao, Zhang Gang, Jiang Jiadong, Zong Xijun

Strategic Study of CAE 2022, Volume 24, Issue 2,   Pages 38-47 doi: 10.15302/J-SSCAE-2022.02.002

Abstract:

Currently, the product quality of China’s manufacturing industryImproving the quality of manufactured products is vital for upgrading China’s manufacturing industryWhile summarizing international experiences, we propose several suggestions for product quality improvementto support the product quality improvement; (5) reconstruct the quality development environment to promoteof the country to implement foundation projects for improving product quality.

Keywords： manufacturing，quality improvement，product quality，quality assurance，quality infrastructure    

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Impact of energy structure adjustment on air quality: a case study in Beijing, China

Bin ZHAO, Jiayu XU, Jiming HAO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 3,   Pages 378-390 doi: 10.1007/s11783-011-0357-8

Abstract: Energy consumption is a major cause of air pollution in Beijing, and the adjustment of the energy structureis of strategic importance to the reduction of carbon intensity and the improvement of air quality.five energy scenarios focusing on the fuel substitution in power plants and heating sectors, establishedof air quality improvement due to structure adjustment in power plants and heating sectors is limitedof air quality standards.

Keywords： Beijing     energy structure adjustment     air quality     Community Multiscale Air Quality Model (CMAQ)     scenario    

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Title Author Date Type Operation

Unified power quality conditioner based on a three-level NPC inverter using fuzzy control techniques

Salim CHENNAI,M-T BENCHOUIA

Journal Article

Quality and efficiency improvement technology for five megawatt offshore wind turbines and its application

Huali HAN

Journal Article

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

Amar BENAISSA,Boualaga RABHI,Ammar MOUSSI

Journal Article

Exploring differentiated improvement strategies of cultivated land quality in China

Journal Article

Decoupling optimization of integrated energy system based on energy quality character

Shixi MA, Shengnan SUN, Hang WU, Dengji ZHOU, Huisheng ZHANG, Shilie WENG

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

Genetic improvement of wheat grain quality at CIMMYT

Carlos GUZMÁN, Karim AMMAR, Velu GOVINDAN, Ravi SINGH

Journal Article

Air quality improvement in Los Angeles—Perspectives for developing cities

David D. Parrish,Jin Xu,Bart Croes,Min Shao

Journal Article

Association between ICU quality and in-hospital mortality of V-V ECMO-supported patients—the ECMO qualityimprovement action (EQIA) study: a national cohort study in China from 2017 to 2019

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

Strategy of Manufacturing Quality Power

The Research Group for Manufacturing Quality Power Strategy

Journal Article

Target the neglected VOCs emission from iron and steel industry in China for air quality improvement

Journal Article

Effect of harmonic distortion on electric energy meters of different metrological principles

Illia DIAHOVCHENKO, Vitalii VOLOKHIN, Victoria KUROCHKINA, Michal ŠPES, Michal KOSTEREC

Journal Article

Strategy for Improving Product Quality of Manufacturing Industry in China

Zhang Hao, Zhang Gang, Jiang Jiadong, Zong Xijun

Journal Article

Impact of energy structure adjustment on air quality: a case study in Beijing, China

Bin ZHAO, Jiayu XU, Jiming HAO

Journal Article