Academic literature on the topic 'STATIC VAR SYSTEM'

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Journal articles on the topic "STATIC VAR SYSTEM"

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Wang, Hui Yu, Yong Zhang, and Jian Zhang. "Study on Real-Time Control of Power System Stability." Applied Mechanics and Materials 511-512 (February 2014): 1137–40. http://dx.doi.org/10.4028/www.scientific.net/amm.511-512.1137.

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This paper presents the design method Delays affect static var compensator WAN additional damping controller, containing static var compensator new power system, for example, through a controlled modal analysis to select Static Analysis conventional additional damping drawing's power compensator WAN input signal is calculated using the residue method to get its parameters, and then analyzed using delay-dependent stability criterion of conventional reactive power compensator damping controller contains additional stationary Delay power system stability, finalized the SVC gain additional damping
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Osborn, D. L. "Factors for planning a static VAR system." Electric Power Systems Research 17, no. 1 (1989): 5–12. http://dx.doi.org/10.1016/0378-7796(89)90053-9.

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Arjun, Singh. "A Review on Different Topologies and Control Method of Static Synchronous Compensator." International Journal of Trend in Scientific Research and Development 2, no. 6 (2018): 738–44. https://doi.org/10.31142/ijtsrd18729.

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Rapidly acting static synchronous compensator STATCOM , a member of FACTS devices, is a capable technology being widely used as the state of the art dynamic shunt compensator for reactive power control in transmission and distribution system. In the last 25 years, technocrats have made extensive research on STATCOM technology due to which, many STATCOM controllers based on the self commutating solid state voltage source converter VSC have been developed and commercially put in operation to control system dynamics under stressed conditions. Because of its many attributes, STATCOM has emerged as
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Onyeaka, K.C., Alor M.O. Dr., and U.C. Ebere. "OPTIMIZING THE POWER FLOW STABILITY OF 330KV TRANSMISSION SYSTEM USING STATIC VAR COMPENSATOR." International Journal of Electrical and Electronics Research 10, no. 2 (2022): 17–26. https://doi.org/10.5281/zenodo.6520343.

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<strong>Abstract:</strong> This work presents optimizing the power flow stability of 330KV transmission system using Static Var Compensator (SVC).&nbsp; The aim is to ensure stability, control and regulation of power flow during times of nonlinearity arising as a result of fault conditions which induces excess reactive and active power within the system. This problem was formulated using Newton Raphson load flow analysis to identify the weak busses. Static Var Compensator (SVC) was developed and used to improve the poor buses identified from the study and then implemented with Simulink. The re
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Muhammad, Kashif Khan, Basit Abdul, and Ali Faheem. "Static VAR Compensator for Weak Grid Systems." International Journal of Engineering Works (ISSN: 2409-2770) 5, no. 1 (2018): 10–15. https://doi.org/10.5281/zenodo.1146123.

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In our daily routine life majority of electric loads &nbsp;usedare inductive in nature. Adequate supply of active power and reactive power must be supplied to these loads to ensure proper operation. If not provided with required active power and reactive power, these inductive loads burdens the system unnecessarily. Hence resulting in low power factor.In a local electrical distribution system it in uneconomical to upgrade existing network for improvement of power factor.In weak grid system residential consumers use voltage stabilizers to cope up with poor quality of voltage, while industrial c
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Padiyar, K. R., and R. K. Varma. "Damping torque analysis of static VAR system controllers." IEEE Transactions on Power Systems 6, no. 2 (1991): 458–65. http://dx.doi.org/10.1109/59.76687.

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Namburi, Nireekshana, Reddy K.Pulla, Bose Babu Reyya, Sunder Bonda, Kumar G.Sumanth, and Raj P.Vivekananda. "Static Var Compensator for Reactive Power Control." Static Var Compensator for Reactive Power Control 9, no. 2 (2024): 4. https://doi.org/10.5281/zenodo.10638477.

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Static VAR Compensators play a crucial role in modern power systems, offering a dynamic solution for managing reactive power and voltage. Their ability to rapidly respond to system changes makes them invaluable for maintaining system stability, improving power quality, and enhancing the overall efficiency of power transmission and distribution networks.A Static VAR Compensator (SVC) is a sophisticated electrical device used in power systems for controlling and regulating voltage and reactive power flow. It is part of the Flexible AC Transmission Systems (FACTS) family, which enhances the contr
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Mothanna, Sh. Aziz, and G. Abdullah Ahmed. "Hybrid control strategies of SVC for reactive power compensation." Indonesian Journal of Electrical Engineering and Computer Science (IJEECS) 19, no. 2 (2020): 563–71. https://doi.org/10.11591/ijeecs.v19.i2.pp563-571.

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This article shows a prospective utilizations of flexible AC transmission system (FACTS) controls, like the static VAR compensator (SVC). One of the major motives for setting up an SVC is to recover dynamic voltage controller and thus increase system load aptitude. Static VAR compensator system proposed in this work consists of thyristor switched capacitor and thyristor controlled reactor sets, this style of SVC modelled using MATLAB simulink toolbox. A hybrid genetic algorithm with PI and fuzzy logic controls that used to control and expand the grid performance of the power system. The model
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Sh. Aziz, Mothanna, and Ahmed G. Abdullah. "Hybrid control strategies of SVC for reactive power compensation." Indonesian Journal of Electrical Engineering and Computer Science 19, no. 2 (2020): 563. http://dx.doi.org/10.11591/ijeecs.v19.i2.pp563-571.

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&lt;span&gt;This article shows a prospective utilizations of flexible AC transmission system (FACTS) controls, like the static VAR compensator (SVC). One of the major motives for setting up an SVC is to recover dynamic voltage controller and thus increase system load aptitude. Static VAR compensator system proposed in this work consists of thyristor switched capacitor and thyristor controlled reactor sets, this style of SVC modelled using MATLAB simulink toolbox. A hybrid genetic algorithm with PI and fuzzy logic controls that used to control and expand the grid performance of the power system
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Chen, JinBo, and WenYu Hu. "MATLAB Simulation Research on Static Var Compensator." E3S Web of Conferences 256 (2021): 01022. http://dx.doi.org/10.1051/e3sconf/202125601022.

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TCR-TSC static reactive power compensator (SVC) is the most widely used in the field of power system reactive power compensation. This type of reactive power compensator can not only compensate the reactive power required in the power system, but also handle the over-compensation problem well. This paper will establish a MATLAB simulation model to simulate the TCR-TSC SVC, focusing on the dynamic reactive power compensation characteristics of the TCR-TSC SVC in suppressing voltage fluctuations. The simulation results show that the TCR-TSC SVC has a better dynamic reactive power compensation ef
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Dissertations / Theses on the topic "STATIC VAR SYSTEM"

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Ruckdaschel, James David. "Harmonic Analysis of a Static VAR Compensated Mixed Load System." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/82.

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As power electronic based controllers and loads become more prevalent in power systems, there is a growing concern about how the harmonics generated by these controllers and loads affect the power quality of the system. One widely used power electronic based load is the Variable Frequency Drive (VFDs) used to vary the speed of an induction motor; whereas a common example of a power electronic based controller used in power systems is the Static VAR Compensator (SVC) for improving a system’s power factor. In this thesis, the harmonic content and overall performance of a system including both a
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Silva, Aguinaldo Silveira e. "Placement and control of static compensators for power system stability." Thesis, University of Manchester, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311620.

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Mandali, Anusree. "Voltage Regulation Control on a Power System with Static Var Compensator." Cleveland State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=csu1504863882578828.

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Zhang, Zhengwen. "Fast response static var generator for improving the power system performance of an electric arc furnace (EAF)." Thesis, Aston University, 2002. http://publications.aston.ac.uk/11836/.

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Cascaded multilevel inverters-based Static Var Generators (SVGs) are FACTS equipment introduced for active and reactive power flow control. They eliminate the need for zigzag transformers and give a fast response. However, with regard to their application for flicker reduction in using Electric Arc Furnace (EAF), the existing multilevel inverter-based SVGs suffer from the following disadvantages. (1) To control the reactive power, an off-line calculation of Modulation Index (MI) is required to adjust the SVG output voltage. This slows down the transient response to the changes of reactive powe
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Habtay, Yehdego Tekeste. "Advanced static VAr compensator for direct on line starting of induction motors in an interconnected offshore power system." Thesis, Heriot-Watt University, 2002. http://hdl.handle.net/10399/371.

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Ahmed, Sheikh. "PMU based PSS and SVC fuzzy controller design for angular stability analysis." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/20547.

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Master of Science<br>Department of Electrical and Computer Engineering<br>Shelli Starrett<br>Variability in power systems is increasing due to pushing the system to limits for economic purposes, the inclusion of new energy sources like wind turbines and photovoltaic, and the introduction of new types of loads such as electric vehicle chargers. In this new environment, system monitoring and control must keep pace to insure system stability and reliability on a wide area scale. Phasor measurement unit technology implementation is growing and can be used to provide input signals to new types of
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Banejad, Mahdi. "Identification of damping contribution from power system controllers." Thesis, Queensland University of Technology, 2004. https://eprints.qut.edu.au/15851/1/Mahdi_Banejad_Thesis.pdf.

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With the growth of power system interconnections, the economic drivers encourage the electric companies to load the transmission lines near their limits, therefore it is critical to know those limits well. One important limiting issue is the damping of inter-area oscillation (IAO) between groups of synchronous machines. In this Ph.D. thesis, the contribution of power system components such as load and static var compensators (SVC) that affect the IAO of the power system, are analysed. The original contributions of this thesis are as follows: 1-Identification of eigenvalues and mode shapes of t
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Banejad, Mahdi. "Identification of Damping Contribution from Power System Controllers." Queensland University of Technology, 2004. http://eprints.qut.edu.au/15851/.

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With the growth of power system interconnections, the economic drivers encourage the electric companies to load the transmission lines near their limits, therefore it is critical to know those limits well. One important limiting issue is the damping of inter-area oscillation (IAO) between groups of synchronous machines. In this Ph.D. thesis, the contribution of power system components such as load and static var compensators (SVC) that affect the IAO of the power system, are analysed. The original contributions of this thesis are as follows: 1-Identification of eigenvalues and mode shapes of t
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Goldoost, Soloot Reza. "Wide-area damping control through inverse filtering technique." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/95937/4/Reza%20Goldoost%20Soloot_Thesis.pdf.

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This thesis proposes a new wide-area controller for enhancing the stability of power systems by damping inter-area oscillations. The obtained controller is a new nonlinear controller that accomplishes the task by using data from PMUs employed throughout the network. The controller improves the damping of inter-area oscillations by providing a supplementary control input for several controllable devices such as excitation systems of synchronous generators and Static Var Compensators. The novel nonlinear inverse filtering controller is developed and investigated in different network configuratio
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Li, Tianya. "Electromechanical wave propagation phenomenon and its control implications in power systems." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/95962/1/Tianya_Li_Thesis.pdf.

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This thesis investigates advanced control methods and strategies to enhance the transient stability of a power system which is affected by the electromechanical wave propagation phenomenon. The characteristics of the travelling wave phenomenon and its impact on system separation during first swing are investigated in detail. This thesis identifies four innovative control implications for power system stability and proposes an improved method to enhance power system transient stability. By designing better control of existing equipment, this research achieves increased maximum power transfer un
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Books on the topic "STATIC VAR SYSTEM"

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Wijnen, H. A. van. De macht van de kroon. 2nd ed. Balans, 2000.

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Smith, Barry S. Ground-water flow in the shallow aquifer system at the Naval Weapons Station Yorktown, Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Smith, Barry S. Ground-water flow in the shallow aquifer system at the Naval Weapons Station Yorktown, Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Smith, Barry S. Ground-water flow in the shallow aquifer system at the Naval Weapons Station Yorktown, Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Smith, Barry S. Ground-water flow in the shallow aquifer system at the Naval Weapons Station Yorktown, Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Smith, Barry S. Ground-water flow in the shallow aquifer system at the Naval Weapons Station Yorktown, Virginia. U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Skrypnik, Oleg. Radio navigation and landing systems. INFRA-M Academic Publishing LLC., 2024. http://dx.doi.org/10.12737/1874250.

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The textbook discusses the issues of the general theory of navigation necessary for mastering the material that reveals the principles of construction and operation of on-board devices and radio navigation systems. The general characteristics of radio engineering and non-radio engineering navigation aids are given. The classification is given and the main characteristics of radio navigation systems are considered. Navigation concepts and terms are explained. The coordinate systems used in aviation navigation, methods for determining navigation parameters, as well as factors affecting the accur
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Naval Surface Warfare Center (U.S.), ed. Fort Monroe Test Facility. Naval Surface Warfare Center, 1990.

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Office, General Accounting. Federal retirement: Federal and private sector retirement program benefits vary : report to Congressional requesters. The Office, 1997.

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Office, General Accounting. VA information systems: Computer security weaknesses persist at the Veterans Health Administration : report to the Acting Secretary of Veterans Affairs. The Office, 2000.

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Book chapters on the topic "STATIC VAR SYSTEM"

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Lu, Qiang, Yuanzhang Sun, and Shengwei Mei. "Nonlinear Control of Static Var Systems." In Nonlinear Control Systems and Power System Dynamics. Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-3312-9_9.

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Priyadhershni, M., C. Udhayashankar, and V. Kumar Chinnaiyan. "Simulation of Static Var Compensator in IEEE 14 Bus System for Enhancing Voltage Stability and Compensation." In Lecture Notes in Electrical Engineering. Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2119-7_27.

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Tran, Le Nhat Hoang, and Thi Ai Lành Nguyen. "Optimizing Harmonic Filters in Static Var Compensator of Electric Arc Furnace to Enhance Power System Quality." In Proceedings of the 2nd Annual International Conference on Material, Machines and Methods for Sustainable Development (MMMS2020). Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-69610-8_99.

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Yarlagadda, Venu, B. V. Sankar Ram, and K. R. M. Rao. "Power System Generator and Voltage Stability Enhancement by the Hardware Circuit Implementation of 3-Ph Static Var Compensator (SVC)." In Mobile Communication and Power Engineering. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35864-7_71.

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Yarlagadda, Venu, K. R. M. Rao, and B. V. Sankar Ram. "Improvement of system stability margins using coordination control of Static Var Compensator (SVC) and Thyristor Controlled Series Capacitor (TCSC)." In Lecture Notes in Electrical Engineering. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-3363-7_23.

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Dombo, Dereck, and Komla Agbenyo Folly. "Optimization of a Static VAR Compensation Parameters Using PBIL." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-27400-3_28.

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Shirbhate, Archana, V. K. Chandrakar, and R. M. Mohril. "Congestion Management by Static Var Compensator (SVC) Using Power World Simulator." In Information and Communication Technology for Intelligent Systems. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1747-7_16.

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Wang, Lei, Man-Chung Wong, and Chi-Seng Lam. "Minimizing Inverter Capacity Design and Comparative Performance Evaluation of Static Var Compensator Coupling Hybrid Active Power Filters (SVC-HAPFs)." In Power Systems. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8827-8_6.

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Dash, Stita Pragnya, K. R. Subhashini, and J. K. Satapathy. "Ant Lion Optimization Technique for Minimization of Voltage Deviation Through Optimal Placement of Static VAR Compensator." In Advances in Intelligent Systems and Computing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4032-5_24.

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Wild, Paul, and Lutz Schröder. "A Quantified Coalgebraic van Benthem Theorem." In Lecture Notes in Computer Science. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71995-1_28.

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AbstractThe classical van Benthem theorem characterizes modal logic as the bisimulation-invariant fragment of first-order logic; put differently, modal logic is as expressive as full first-order logic on bisimulation-invariant properties. This result has recently been extended to two flavours of quantitative modal logic, viz. fuzzy modal logic and probabilistic modal logic. In both cases, the quantitative van Benthem theorem states that every formula in the respective quantitative variant of first-order logic that is bisimulation-invariant, in the sense of being nonexpansive w.r.t. behavioural
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Conference papers on the topic "STATIC VAR SYSTEM"

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Wei, Jun, Youyuan Xu, Zheng Wang, Jiong Ma, Mouyuan Chen, and Ran Zhang. "Reinforcement Learning-Based Voltage Control for Power Systems with Static Var Generator Integration." In 2024 IEEE 8th Conference on Energy Internet and Energy System Integration (EI2). IEEE, 2024. https://doi.org/10.1109/ei264398.2024.10990460.

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Jagadeesh, K., Sankar Babu Potluri, Budidha Nagaraju, G. Madhusudhana Rao, Burri Ankaiah, and Vankadara Sampath Kumar. "Enhancing Transient Stability of a Two-Machine Power System Under Fault Conditions Using Static VAR Compensator." In 2024 International Conference on Sustainable Power & Energy (ICSPE). IEEE, 2024. https://doi.org/10.1109/icspe62629.2024.10924373.

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George, M., M. B. B. A. Bakar, and K. P. Basu. "Optimal design of three-phase static var compensation system." In 2012 IEEE International Conference on Power System Technology (POWERCON 2012). IEEE, 2012. http://dx.doi.org/10.1109/powercon.2012.6401375.

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Mahdavian, Mehdi, Ghazanfar Shahgholian, Peghah Shafaghi, Manijeh Azadeh, Saeed Farazpey, and Mohammadreza Janghorbani. "Power system oscillations improvement by using static VAR compensator." In 2016 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON). IEEE, 2016. http://dx.doi.org/10.1109/ecticon.2016.7560905.

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Chen, Xianming, Wang Heping, Wang Xiaohong, and Tong Wang. "Negative-Sequence Network Voltage Rejection for Static Var Generator." In 2006 International Conference on Power System Technology. IEEE, 2006. http://dx.doi.org/10.1109/icpst.2006.321699.

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Deryuzhkova, N. E., V. A. Solovyev, and A. V. Kupova. "Intelligent Control System for Static Var Compensator of Arc Furnace." In 2019 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon). IEEE, 2019. http://dx.doi.org/10.1109/fareastcon.2019.8934436.

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Alqatamin, Moath, and Michael L. McIntyre. "Nonlinear Adaptive Control for Power System with Static VAR Compensator." In 2018 IEEE Electronic Power Grid (eGrid). IEEE, 2018. http://dx.doi.org/10.1109/egrid.2018.8598695.

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Kapse, Rushali L., and Vinod Kumar Chandrakar. "ANN Based Static Var Compensator For Improved Power System Security." In 2023 Third International Conference on Artificial Intelligence and Smart Energy (ICAIS). IEEE, 2023. http://dx.doi.org/10.1109/icais56108.2023.10073700.

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Swift, F. J. "Static VAr compensator to damp system oscillations in multi-machine power systems." In 3rd International Conference on Advances in Power System Control, Operation and Management (APSCOM 95). IEE, 1995. http://dx.doi.org/10.1049/cp:19951208.

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Shentu, Leixuan, Wei Dong, Junxiao Chang, Wen Hua, Chen Wang, and Di Zheng. "Mechanism and Suppression of DC Overvoltage of Static Var Generators." In 2022 Power System and Green Energy Conference (PSGEC). IEEE, 2022. http://dx.doi.org/10.1109/psgec54663.2022.9881123.

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Reports on the topic "STATIC VAR SYSTEM"

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Hansson, David, Thomas Prade, and Sven-Erik Svensson. Strimsådd av ekologiska specialgrödor i utvintrande mellangrödor. Fakulteten för landskapsarkitektur, trädgårds- och växtproduktionsvetenskap, Sveriges lantbruksuniversitet, 2023. http://dx.doi.org/10.54612/a.73np5qelup.

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Odlingssystemet ”Strimsådd av ekologiska radodlade grödor i utvintrande mellangrödor”, som studerats i detta projekt, innebär att man efter plöjning på sensommaren för rotogräsbekämpning sår olika ”frostkänsliga” mellangrödor i augusti-september. Biomassan från mellangrödan vissnar ner eller fryser bort under vintern och får står kvar på fältet till våren. På våren sås en ny huvudgröda i mellangrödans växtrester efter att ”såstrimmor” hackats fram i sommarmellangrödan, d.v.s. huvudgrödan etableras i ett ”strip-till-system”. Mellangrödornas effekt på ogräsen på hösten beror till stor del på mel
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Seale, Maria, R. Salter, Natàlia Garcia-Reyero,, and Alicia Ruvinsky. A fuzzy epigenetic model for representing degradation in engineered systems. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/45582.

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Degradation processes are implicated in a large number of system failures, and are crucial to understanding issues related to reliability and safety. Systems typically degrade in response to stressors, such as physical or chemical environmental conditions, which can vary widely for identical units that are deployed in different places or for different uses. This situational variance makes it difficult to develop accurate physics-based or data-driven models to assess and predict the system health status of individual components. To address this issue, we propose a fuzzy set model for representi
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Jahanshahi, Mohammad, Shirley J. Dyke, Luis David Fernandez Vasquez, Nikkhil Vijaya Sankar, and Yu-Ting Huang. Investigating Consistency Among Bridge Inspectors Using Simulated Virtual Reality Testbed. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317660.

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The current condition of US infrastructure requires a data-driven, risk-based approach to asset management. In the case of bridges, inspectors in every state visit these structures and collect data, and based on the information they report, state departments evaluate bridge conditions, predict deterioration, and make repair and retrofit decisions. However, the capacity of inspectors for defect detection might vary due to several factors, such as the inspectors’ experience or eyesight, which results in differences when reporting their results. Through the development of a virtual reality (VR)-b
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Antón, Arturo, and Fausto Hernández Trillo. Financing Universal Social Security in Mexico. Inter-American Development Bank, 2011. http://dx.doi.org/10.18235/0009046.

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The proposal by Levy (2008) whereby a universal social insurance (USI) scheme is guaranteed to all workers, regardless of formality status, aims at abolishing the current contributory social insurance system and financing social insurance through value-added taxes instead (henceforth, the social security reform). We argue that this is a major reform as it breaks down the duality present in social insurance policy in Mexico and other Latin American countries and put an end to both informality and the truncated welfare state problem, in the sense that all workers would be covered by the same reg
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Hamudi, Simbarashe. Perception of Taxpayers and Tax Administrators Towards Value Added Withholding Tax in Zimbabwe. Institute of Development Studies (IDS), 2021. http://dx.doi.org/10.19088/ictd.2021.013.

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Value added tax is a key tax for generating revenue in Zimbabwe and all African states, and for financing the budget in African countries. VAT revenue has an essential role in budgetary policymaking. Every year revenue authorities are not collecting large amounts of VAT for various reasons, including ineffective administration and tax evasion. This brings the question of the reform of the VAT system to the forefront. In Zimbabwe, attempts to improve VAT revenue collection have been made over several years. Hopes were pinned on the use of fiscalisation and audits of VAT refunds.1 However, trade
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DFI's Electric Power System Foundations Committee. Design and Construction of Deep Foundations to Support Electric System Transmission Lines. Deep Foundations Institute, 2025. https://doi.org/10.37308/gd-2025-epsf-1.

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Unlike the commercial building and transportation sectors, the electric transmission industry does not have a unified code that explicitly covers design and construction of the various foundation types currently utilized to support electrical structures; there is no overarching professional group that leads this effort. Existing guide documents developed by various utility and non-utility organizations describe general design methodology for foundation types used in the electric power industry, but their application, relevance and approach vary significantly from utility to utility. For this r
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7

Electric Power System Foundations Committee. Design and Construction of Deep Foundations to Support Electric System Transmission Lines. Deep Foundations Institute, 2025. https://doi.org/10.37308/cr-2025-epsf-1.

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Abstract:
Unlike the commercial building and transportation sectors, the electric transmission industry does not have a unified code that explicitly covers design and construction of the various foundation types currently utilized to support electrical structures; there is no overarching professional group that leads this effort. Existing guide documents developed by various utility and non-utility organizations describe general design methodology for foundation types used in the electric power industry, but their application, relevance and approach vary significantly from utility to utility. For this r
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8

Sandström, Alfred, and Göran Sundblad. Reduktionsfiske : en tänkbar åtgärd för att förbättra vattenkvaliteten i Hjälmaren? Department of Aquatic Resources, Swedish University of Agricultural Science, 2025. https://doi.org/10.54612/a.2tlthivo4p.

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Hjälmaren har länge haft problem med övergödning och vattenkvalitet. Enligt vattendirektivet uppnås för närvarande inte kraven för god ekologisk och kemisk status. En metod som föreslagits för att förbättra vattenkvaliteten är att genomföra storskaligt reduktionsfiske. Metoden innebär att man selektivt fiskar bort stora mängder av vissa fiskarter, som mört, braxen och björkna. Reduktionsfiske har visats ge positiva effekter på vattenkvalitet, mätt som siktdjup och klorofyll a, främst i små, grunda och kraftigt övergödda sjöar i Danmark och Nederländerna. Det finns flera mekanismer som man tror
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9

Roux, Anne M., Jessica E. Rast, K. A. Anderson, and Paul T. Shattuck. National Autism Indicators Report: Vocational Rehab. A.J. Drexel Autism Institute, 2016. http://dx.doi.org/10.17918/nairvocrehab2016.

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Employment is about more than simply earning a paycheck - it influences quality of life, independence, and wellness. Historically, employment outcomes for adults with autism are poor. The U.S. Vocational Rehabilitation system (VR) is designed to provide support to states for implementation of services to assist people with disabilities to prepare for, find, and keep employment. VR data allow us to examine some outcomes for those with autism compared to their peers.
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Echevin, Damien, Bernard Fortin, and Aristide Houndetoungan. Healthcare Quality by Specialists under a Mixed Compensation System: an Empirical Analysis. CIRANO, 2023. http://dx.doi.org/10.54932/cttw3290.

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We analyze the effects of a mixed compensation (MC) scheme for specialists on the quality of their healthcare services. To do so, we exploit a major reform that was implemented in Quebec (Canada) in 1999. The government introduced a payment mechanism combining a fixed per diem with a reduced fee per clinical service. Using panel patient-doctor data covering the period 1996-2016 and including 320,441 patients, we estimate a multi-state multi-spell hazard model with correlated heterogeneity, analogous to a difference-in-differences approach. We compute three output-based quality indicators from
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