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Hybrid Algorithm for Coordinated Design of PSSs and FACTS pss与FACTS协调设计的混合算法
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2022-09-02 DOI: 10.37394/232017.2022.13.6
E. Ali, S. M. A. Elazim
{"title":"Hybrid Algorithm for Coordinated Design of PSSs and FACTS","authors":"E. Ali, S. M. A. Elazim","doi":"10.37394/232017.2022.13.6","DOIUrl":"https://doi.org/10.37394/232017.2022.13.6","url":null,"abstract":"The assessment of new coordinated design of Power System Stabilizers (PSSs) and Static Var Compensator (SVC) in a multimachine power system via statistical method is proposed in this paper. The coordinated design problem of PSSs and SVC over a wide range of loading conditions is formulated as an optimization problem. The Bacterial Swarming Optimization (BSO), which synergistically couples the Bacterial Foraging (BF) with the Particle Swarm Optimization (PSO), is employed to search for optimal controllers parameters. By minimizing the proposed objective function, in which the speed deviations between generators are involved; stability performance of the system is improved. To compare the capability of PSS and SVC, both are designed independently, and then in a coordinated manner. Simultaneous tuning of the BSO based coordinated controller gives robust damping performance over wide range of operating conditions and large disturbance in compare to optimized PSS controller based on BSO (BSOPSS) and optimized SVC controller based on BSO (BSOSVC). Moreover, a statistical T test is performed to ensure the effectiveness of coordinated controller versus uncoordinated one.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125295312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Arctic Regions: Icing at Low Temperatures and Modern Semiconductor Systems for De-Icing Overhead Transmission Line Wires 北极地区:低温结冰和用于架空输电线路除冰的现代半导体系统
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2022-07-07 DOI: 10.37394/232017.2022.13.5
Khrennikov A. Yu., Kuvshinov A. A., Aleksandrov N. M.
{"title":"Arctic Regions: Icing at Low Temperatures and Modern Semiconductor Systems for De-Icing Overhead Transmission Line Wires","authors":"Khrennikov A. Yu., Kuvshinov A. A., Aleksandrov N. M.","doi":"10.37394/232017.2022.13.5","DOIUrl":"https://doi.org/10.37394/232017.2022.13.5","url":null,"abstract":"The article shows that when operating overhead transmission lines in a number of regions, there is a serious problem of the glacial deposits of wires during the autumn-winter period. As a passive measure against the glacial deposits, various wires of increased strength can be used. One of the traditional active methods is the melting of glacial deposits on alternating current lines by creating short circuits or direct current using uncontrolled or controlled rectifier blocks. The development of new means to prevent glacial deposits on the overhead transmission lines consists of the use of combined conversion units capable of performing melting of glacial deposits, if necessary, and the rest of the time compensating for reactive power. The most promising one should recognize the melting of glacial deposits with an ultra-low frequency current that combines the advantages of melting with an alternating current of the industrial frequency (on three wires at the same time) and a DC current (limited only by the active resistance, smooth regulation of the melting current).","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"73 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113987193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrical Properties of CdFeSe, CdMnTe Epitaxial Films CdFeSe、CdMnTe外延薄膜的电学性质
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2022-06-06 DOI: 10.37394/232017.2022.13.4
Mehrabova M. A., Hasanov N. H., Guluzade V. G., Sadigov R. M.
{"title":"Electrical Properties of CdFeSe, CdMnTe Epitaxial Films","authors":"Mehrabova M. A., Hasanov N. H., Guluzade V. G., Sadigov R. M.","doi":"10.37394/232017.2022.13.4","DOIUrl":"https://doi.org/10.37394/232017.2022.13.4","url":null,"abstract":"Optimal conditions of obtaining perfect Cd1–xFexSe (x<0.08) and Cd1-xMnxTe (x=0.15) epitaxial films are defined. The electrical properties of Cd1–xFexSe (x<0.08) and Cd1-xMnxTe (x=0.15) epitaxial films have been studied at room temperature. It was defined that Cd1–xFexSe semimagnetic semiconductor epitaxial films are of n-type and Cd1-xMnxTe p-type. Electrical resistivity was defined 14.4 ·107 Ohm⋅cm. The effect of γ-irradiation on VAC of Cd1-xMnxTe epitaxial films is studied at doses Dγ ≤ 1.5 кGy.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114256699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rectifier with Near Sinusoidal Input Currents Vector-controlled for AC Motor Drive 近正弦输入电流矢量控制的交流电机驱动整流器
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2022-04-13 DOI: 10.37394/232017.2022.13.3
I. Pletea, M. Pletea, D. Alexa
{"title":"Rectifier with Near Sinusoidal Input Currents Vector-controlled for AC Motor Drive","authors":"I. Pletea, M. Pletea, D. Alexa","doi":"10.37394/232017.2022.13.3","DOIUrl":"https://doi.org/10.37394/232017.2022.13.3","url":null,"abstract":"This paper is presented a three – phase rectifier, which is able to assure a very low harmonic injection in the power supply (RNSIC converter = Rectifier with Near Sinusoidal Input Currents).","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115255779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Effects of Different Solid Content Carbon Nanotubes and Silver Quantum Dots on Potential Toxicity to Plants through Direct Effects on Carbon and Light Reactions of Photosynthesis 不同固含量碳纳米管和银量子点通过直接影响光合作用的碳和光反应对植物潜在毒性的影响
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2022-03-03 DOI: 10.37394/232017.2022.13.2
Maryam Subalya, R. Voleti, D. A. Wait
{"title":"The Effects of Different Solid Content Carbon Nanotubes and Silver Quantum Dots on Potential Toxicity to Plants through Direct Effects on Carbon and Light Reactions of Photosynthesis","authors":"Maryam Subalya, R. Voleti, D. A. Wait","doi":"10.37394/232017.2022.13.2","DOIUrl":"https://doi.org/10.37394/232017.2022.13.2","url":null,"abstract":"We examined the effects of two types of carbon nanotubes (CNTs) and one type of silver quantum dot (Ag-QD) on potential plant toxicity through effects on plant gas exchange across four different experiments. First, Arabidopsis thaliana seeds were directly grown in growth medium containing 75% solid content CNTs at concentrations of 24.93µg/ml and 53.55 µg/ml in petri dishes. Second, A. thaliana seeds were directly grown in growth medium containing 95% solid content CNTs at concentrations of 4μg/ml; or third, 18 nm Ag-QDs at a concentration of 4μg/ ml. Fourth, we grew A. thaliana in soil for 6 weeks and added the 95% solid content CNT suspension at increasing concentrations of 10, 30, 90, 150, 190, 250 μg/ ml each week. The 75% solid content CNT, and the CNTRENE® C100LM material production waste produced for disposal, had no negative effects on growth or gas exchange. We found that gas exchange in petri dish grown A. thaliana was greatly negatively affected by the Ag-QD, and relatively marginally negatively affected by the 95% solid content CNT. There were significant reductions in photosynthesis rates and related light and carbon fixation reactions in both the Ag-QD and 95% solid content CNT A. thaliana grown in petri dishes. We found that gas exchange in soil grown A. thaliana was unaffected by 95% solid content CNTs, even at very high concentrations. These findings have implications for understanding toxicity of engineered nanoparticles on plant and animal health, public awareness, and environmental remediation.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114589001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Data Mining Software Tools and Methodologies for VLSI Design VLSI设计的数据挖掘软件工具和方法
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2022-03-01 DOI: 10.37394/232017.2022.13.1
Q. Zhu
{"title":"Data Mining Software Tools and Methodologies for VLSI Design","authors":"Q. Zhu","doi":"10.37394/232017.2022.13.1","DOIUrl":"https://doi.org/10.37394/232017.2022.13.1","url":null,"abstract":"Modern VLSI design process employs numerous EDA tools to produce large-size report files. It is time consuming as well as the possibility to miss some violations from EDA report files. We developed two data mining software tools targeting for the timing, noise and power grid analysis report files in one high-performance SOC design project. The software extracts, sorts and displays the key information from EDA report files into HTML forms, which can be viewed by designers using the web browser. Organization of EDA report files, configure files, program execution flows and output HTML forms are described for the developed data mining software tools.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115633343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
24 Sectors DTC Control with Fuzzy Hysteresis Comparators for DFIM Fed by the Three-level NPC Inverter 三电平NPC逆变器DFIM的模糊滞后比较器24扇区直接转矩控制
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2022-01-04 DOI: 10.37394/232017.2021.12.19
A. Moussaoui, H. Benbouhenni, D. B. Attous
{"title":"24 Sectors DTC Control with Fuzzy Hysteresis Comparators for DFIM Fed by the Three-level NPC Inverter","authors":"A. Moussaoui, H. Benbouhenni, D. B. Attous","doi":"10.37394/232017.2021.12.19","DOIUrl":"https://doi.org/10.37394/232017.2021.12.19","url":null,"abstract":"This article presents 24 sectors direct torque control (DTC) with fuzzy hysteresis comparators for the doubly-fed induction motor (DFIM) using a three-level neutral point clamped (NPC) inverter. The designed DTC technique of the DFIM combines the advantages of the DTC strategy and fuzzy logic controller. The reaching conditions, stability, and robustness of the DFIM with the designed DTC technique are guaranteed. The designed DTC technique is insensitive to uncertainties, including parameter variations and external disturbances in the whole control process. Finally, the designed DTC technique with fuzzy hysteresis comparators is used to regulate the electromagnetic torque and the flux of the DFIM fed by the three-level NPC inverter and confirms the validity of the designed DTC technique. Results of simulations containing tests of robustness and tracking tests are presented.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"6 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131438137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
AC-DC & DC-DC Converters for DC Motor Drives 用于直流电机驱动的AC-DC和DC-DC转换器
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2021-12-27 DOI: 10.37394/232017.2021.12.20
G. Ioannidis, C. Psomopoulos, S. D. Kaminaris, P. Pachos, H. Villiotis, S. Tsiolis, P. Malatestas, G. Vokas, S. Manias
{"title":"AC-DC & DC-DC Converters for DC Motor Drives","authors":"G. Ioannidis, C. Psomopoulos, S. D. Kaminaris, P. Pachos, H. Villiotis, S. Tsiolis, P. Malatestas, G. Vokas, S. Manias","doi":"10.37394/232017.2021.12.20","DOIUrl":"https://doi.org/10.37394/232017.2021.12.20","url":null,"abstract":"This paper deals with a comprehensive survey on the topic of AC/DC & DC/DC converters for DC Motor Drives. A substantial number of different AC/DC and DC/DC topologies appropriate for DC motor drives are presented. This critical literature review brings out merits, demerits, and limitations besides giving the basic operating principles of various topologies.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115002724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Analysis and Simulation of Current-source Flyback Inverter with Efficient BCM Control Strategy 基于高效BCM控制策略的电流源反激逆变器分析与仿真
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2021-11-08 DOI: 10.37394/232017.2021.12.18
S. J. Yaqoob, Jawad K. Raham, Hassan A. Sadiq
{"title":"Analysis and Simulation of Current-source Flyback Inverter with Efficient BCM Control Strategy","authors":"S. J. Yaqoob, Jawad K. Raham, Hassan A. Sadiq","doi":"10.37394/232017.2021.12.18","DOIUrl":"https://doi.org/10.37394/232017.2021.12.18","url":null,"abstract":"The Flyback inverter is a single-stage power inverter which represent an attractive solution for photovoltaic (PV) grid-tied inverter application. The main advantages of a current-source flyback inverter are high power density and high efficiency due to its small, as well as low total harmonic distortion (THD) operation. However, a flyback topology works with Discontinuous Conduction Mode (DCM) control strategy has lower efficiency and poor THD values. In this paper, an efficient current-source flyback inverter topology works with Boundary Conduction Mode (BCM) control strategy is presented. Besides, an efficient incremental conductance (IC) maximum power point tracking (MPPT) is used to extract the maximum power from the PV module. To verify the proposed control a power simulator (PSIM) software is used. As a result, the simulation results indicates that the BCM control is more efficient than the DCM method for various weather conditions. Finally, the proposed BCM strategy is compared with DCM control in terms of THD and thus it is achieved lower THD contain in the injection current of grid.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126803225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bounding Formulae for Capacitance of Cylindrical Capacitor with Nonhomogeneous Dielectric Material 非均匀介质圆柱形电容器电容的边界公式
WSEAS TRANSACTIONS ON ELECTRONICS Pub Date : 2021-10-23 DOI: 10.37394/232017.2021.12.17
I. Ecsedi, Á. Lengyel
{"title":"Bounding Formulae for Capacitance of Cylindrical Capacitor with Nonhomogeneous Dielectric Material","authors":"I. Ecsedi, Á. Lengyel","doi":"10.37394/232017.2021.12.17","DOIUrl":"https://doi.org/10.37394/232017.2021.12.17","url":null,"abstract":"The paper deals with the capacitance of cylindrical capacitor which consists of nonhomogeneous dielectric materials. The infinite long cylindrical surfaces of capacitor have uniform distributed electric charges in axial direction, so that electrostatic boundary value problem which determines the electric field in the nonhomogeneous dielectric material is a twodimensional boundaryvalue problem. The derivation of the bounding formulae is based on the CauchySchwarz inequality. Examples illustrate the applications of the derived upper and lower bound formulae.","PeriodicalId":202814,"journal":{"name":"WSEAS TRANSACTIONS ON ELECTRONICS","volume":"155 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115990355","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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