Relevant bibliographies by topics / Thyristor Controlled Series Compensator (TCSC)

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Academic literature on the topic 'Thyristor Controlled Series Compensator (TCSC)'

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Published: 4 June 2021
Last updated: 18 June 2025

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Journal articles on the topic "Thyristor Controlled Series Compensator (TCSC)"

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Weerakoon, D. R., U. D. Annakkage, and C. Karawita. "A Review on Sub-Synchronous Resonance Damping with Thyristor Controlled Series Compensators." Journal of Advances in Engineering and Technology 1, no. 2 (2023): 24–34. http://dx.doi.org/10.54389/fqjk8435.

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Over many years, the power industry has used series compensation with fixed series capacitors for long-distance ac power transmission. With the availability of Thyristor Controlled Series Compensators (TCSC), utilities have the option of using them instead of fixed series capacitors to exploit the advantage of their flexibility and controllability. The use of TCSCs for damping electro-mechanical oscillations and Sub-Synchronous Resonance (SSR) has been investigated and reported over the years. This paper presents a review of those techniques to damp SSR problems associated with conventional multi-mass turbine generator systems in series compensated networks. This paper also demonstrates that SSR can be damped out with the proper choice of TCSC parameters and/or control strategies even without an auxiliary damping controller. Sub-synchronous behavior of the TCSC is simulated in both open loop and closed loop controls in the time domain through Electro-Magnetic Transient (EMT) simulations. IEEE 1st Benchmark model for SSR studies is used in this paper to demonstrate the effect of TCSC parameters and control methodology in damping SSR. KEYWORDS: Thyristor Controlled Series Compensators (TCSC), Sub-Synchronous Resonance (SSR), time-domain analysis, IEEE 1st Benchmark model for SSR studies.
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Selvarasu, R., and C. Christober Asir Rajan. "Simulation of Location of TCSC and UPFC in Fourteen Bus System Using Matlab / Simulink." Advanced Materials Research 403-408 (November 2011): 3594–99. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.3594.

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This paper presents the modeling and simulation of 14-bus system using TCSC and UPFC. Thyristor Controlled Series Compensator (TCSC) and Unified Power Flow Controller (UPFC) are included in 14-bus system to improve the power quality of the power system. The voltage sag is created by adding an extra load at the receiving end. This sag is compensated by using FACTS devices like TCSC and UPFC. Improvement in the voltage and power are presented using simulation studies.
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Salkuti, Surender Reddy. "Transient stability enhancement using thyristor controlled series compensator." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 2 (2019): 884. http://dx.doi.org/10.11591/ijece.v9i2.pp884-893.

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Stability is an important issue which determines the stable operation of power system. At present, the most practical available method of transient stability analysis is time domain simulation, in which the non-linear differential equations are solved by step by step method or network reduction techniques. In this paper, FACTS devices are used in the existing system for effective utilization of existing transmission resources. In this paper, the studies have been carried out in order to improve the transient stability of 5 bus system, and Western System Coordinating Council (WSCC) 9 bus system with fixed compensation on various lines, and the optimal location has been investigated for better results. To improve the transient stability margin further, a Thyristor Controlled Series Compensator (TCSC) has been used, and the results shows the effectiveness of the application of TCSC in improving the transient stability of power system.
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Salkuti, Surender Reddy. "Transient stability enhancement using thyristor controlled series compensator." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 2 (2019): 884–93. https://doi.org/10.11591/ijece.v9i2.pp884-893.

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Stability is an important issue which determines the stable operation of power system. At present, the most practical available method of transient stability analysis is time domain simulation, in which the non-linear differential equations are solved by step by step method or network reduction techniques. In this paper, FACTS devices are used in the existing system for effective utilization of existing transmission resources. In this paper, the studies have been carried out in order to improve the transient stability of 5 bus system, and Western System Coordinating Council (WSCC) 9 bus system with fixed compensation on various lines, and the optimal location has been investigated for better results. To improve the transient stability margin further, a Thyristor Controlled Series Compensator (TCSC) has been used, and the results shows the effectiveness of the application of TCSC in improving the transient stability of power system.
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Kumar, Prashant. "Enhancement of Power Quality by an Application FACTS Devices." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 1 (2015): 10. http://dx.doi.org/10.11591/ijpeds.v6.i1.pp10-17.

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<p>The paper narrates widespread use of electrical energy by modern civilization has necessitated producing bulk electrical energy economically and efficiently. The Flexible AC Transmission system (FACTS) is a new technology based on power electronics, which offers an opportunity to enhance controllability, stability, and power transfer capability of AC transmission systems. Here SVC has been developed with the combination of TCSC and TCR. The paper contains simulation models of Thyristor controlled Series Capacitor (TCSC) and Thyristor controlled Reactor (TCR)-based Static VAR Compensator (SVC) which are the series and shunt Flexible AC Transmission Systems (FACTS) devices. The fact devices are designed by considering the line losses and their stability. The design and simulations of TCSC and TCR-based SVC shows the effectiveness of result using the MATLAB/Simulink. The designed system will try to reduce the voltage drops and electrical losses in the network without the possibility of transient especially in case of long transmission system. Student feedback indicates that this package is user-friendly and considerably effective for students and researchers to study theory of controlled reactor compensators, series capacitor compensator, and the reactive power control and voltage regulation..</p>
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Okenna, Osmond, and U. Iloh F. "IMPROVING THE EFFICIENCY OF LONG-DISTANCE POWER TRANSMISSION SYSTEM USING THYRISTOR CONTROLLED SERIES COMPENSATOR DEVICE." International Journal of Electrical and Electronics Research 10, no. 3 (2022): 10–19. https://doi.org/10.5281/zenodo.7085447.

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<strong>Abstract:</strong> Transmission infrastructure in Nigeria is plagued with weak power wheeling capability. Large amount of electrical power is transmitted over very long distances to load centers through weak transmission lines. This research therefore aims at improving the efficiency of long-distance transmission lines using FACTS devices.&nbsp; To improve on the efficiency of the long-distance transmission line, thyristor-controlled series compensation was used in this work, as the technique offers high efficiency on transmitting line voltage and current. The IEEE 9 Bus Power System was used as a case study. MATLAB software was the tool used in running the network with and without TCSC. The system was simulated and their transient performances were thoroughly analyzed.&nbsp; The load flow simulation was carried out on a faulty IEEE 9 bus system. Figure 4.1 and Table 4.1 show the result of the simulation. Bus 5 was detected to violate the voltage limit of 0.95 &lt; V&lt; 1.05 p.u. having a voltage magnitude of 0. 9488p.u, this indicates that there was power system instability while when the TCSC device is incorporated into the network, the voltage at bus 5 was regulated from 0.9488 p.u. to 1.01 p.u. and other buses that experienced voltage improvement. The result when compared without and with TCSC, shows that total active power Loss without TCSC was 348.6856MW while that with TCSC was 322.53MW. Also, the reactive power loss without and with TCSC was 146.8526MW and 32.96336MW respectively.&nbsp; Therefore, the percentage of power system improvement is 7.5% when TCSC was incorporated. <strong>Keywords:</strong> Flexibility, Transmission, Electricity, FACTS, Thyristor-Controller, Series, Voltage. <strong>Title:</strong> IMPROVING THE EFFICIENCY OF LONG-DISTANCE POWER TRANSMISSION SYSTEM USING THYRISTOR CONTROLLED SERIES COMPENSATOR DEVICE <strong>Author:</strong> Okenna Osmond, F. U. Iloh <strong>International Journal of Electrical and Electronics Research&nbsp;&nbsp; </strong> <strong>ISSN 2348-6988 (online)</strong> <strong>Vol. 10, Issue 3, July 2022 - September 2022</strong> <strong>Page No: 10-19</strong> <strong>Research Publish Journals</strong> <strong>Website: www.researchpublish.com</strong> <strong>Published Date: 16-September-2022</strong> <strong>DOI: </strong><strong>https://doi.org/10.5281/zenodo.7085447</strong> <strong>Paper Download Link (Source)</strong> <strong>https://www.researchpublish.com/papers/improving-the-efficiency-of-long-distance-power-transmission-system-using-thyristor-controlled-series-compensator-device</strong>
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Suyono, Hadi, Rini Nur Hasanah, and Paramita Dwi Putri Pranyata. "Optimization of the Thyristor Controlled Phase Shifting Transformer using PSO Algorithm." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 6 (2018): 5472. http://dx.doi.org/10.11591/ijece.v8i6.pp5472-5483.

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The increase of power system demand leads to the change in voltage profile, reliability requirement and system robustness against disturbance. The voltage profile can be improved by providing a source of reactive power through the addition of new power plants, capacitor banks, or implementation of Flexible AC Transmission System (FACTS) devices such as Static VAR Compensator (SVC), Unified Power Flow Control (UPFC), Thyristor Controlled Series Capacitor (TCSC), Thyristor Controlled Phase Shifting Transformer (TCPST), and many others. Determination of optimal location and sizing of device injection is paramount to produce the best improvement of voltage profile and power losses reduction. In this paper, optimization of the combined advantages of TCPST and TCSC has been investigated using Particle Swarm Optimization (PSO) algorithm, being applied to the 30-bus system IEEE standard. The effectiveness of the placement and sizing of TCPST-TCSC combination has been compared to the implementation of capacitor banks. The result showed that the combination of TCPST-TCSC resulted in more effective improvement of system power losses condition than the implementation of capacitor banks. The power losses reduction of 46.47% and 42.03% have been obtained using of TCPST-TCSC combination and capacitor banks respectively. The TCPST-TCSC and Capacitor Bank implementations by using PSO algorithm have also been compared with the implementation of Static VAR Compensator (SVC) using Artificial Bee Colony (ABC) Algorithm. The implementation of the TCSC-TCPST compensation with PSO algorithm have gave a better result than using the capacitor bank with PSO algorithm and SVC with the ABC algorithm.
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Vaidya, P. S., and V. P. Rajderkar. "Enhancing Power System Security by Proper Placement of Thyristor Controlled Series Compensator (TCSC)." International Journal of Engineering and Technology 4, no. 5 (2012): 622–25. http://dx.doi.org/10.7763/ijet.2012.v4.446.

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Jumaat, Siti Amely, and Ismail Musirin. "Comparison of SVC and TCSC Installation in Transmission Line with Loss Minimization and Cost of Installation via Particle Swarm Optimization." Applied Mechanics and Materials 785 (August 2015): 495–99. http://dx.doi.org/10.4028/www.scientific.net/amm.785.495.

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The paper presents a comparison of performance Static Var Compensator (SVC) and Thyristor Controlled Series Compensator (TCSC) with objective function to minimize the transmission loss, improve the voltage and monitoring the cost of installation. Simulation performed on standard IEEE 30-Bus RTS and indicated that EPSO a feasible to achieve the objective function.
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Nabhar, Khalid A., and Basim T. Kadhem. "DAMPING SUB SYNCHRONOUS RESONANCE IN POWER SYSTEM USING TCSC & SVC." Al-Qadisiyah Journal for Engineering Sciences 11, no. 2 (2019): 203–16. http://dx.doi.org/10.30772/qjes.v11i2.553.

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when the steam turbine-generator is connected with series of compensation along the transmission line, the sub synchronous resonance may happen. The Flexible Ac Transmission System (FACTS) controller of the devices wide use which has been used to reduce and suppress the phenomenon of sub-synchronous resonance the Thyristor Control Series Compensation (TCSC) and Static VAR Compensation (SVC) are the types of FACTS controller that has been used to put down the SSR and also for the purpose of provide a better and efficient solution to improve the transferred capacity system to connect the series compensation along the transmission line. Series capacitor work to increase the chance of creating sub synchronous resonance. Series capacitors also have an inclination to amplify the shaft stress during considerable network transien toccurrence, SSR phenomena happen which can cause damage of the shaft generator turbine. The first standard model of IEEE was adopted to study this phenomenon. This research deals the PID control of SVC( Static VAR Compensation) and TCSC (Thyristor Controlled Series Compensator) and excitation system controller for reducing SSR in power system. In this research, the method of Eigenvalue was used to analysis the sub-synchronous resonance phenomenon and the result was verified using DYMOLA simulation
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Dissertations / Theses on the topic "Thyristor Controlled Series Compensator (TCSC)"

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Ängquist, Lennart. "Synchronous Voltage Reversal Control of Thyristor Controlled Series Capacitor." Doctoral thesis, KTH, Electrical Systems, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3396.

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<p>Series compensation of transmission lines is an effectiveand cheap method of improving the power transmission systemperformance. Series capacitors virtually reduces the length ofthe line making it easier to keep all parts of the power systemrunning in synchronism and to maintain a constant voltage levelthroughout the system. In Sweden this technology has been inuse since almost 50 years.</p><p>The possibility to improve the performance of the ACtransmission system utilizing power electronic equipment hasbeen discussed a lot since about ten years. Some newsemiconductor based concepts have been developed beside thesince long established HVDC and SVC technologies. The ThyristorControlled Series Capacitor (TCSC) is one such concept. Byvarying the inserted reactance an immediate and well-definedimpact on the active power flow in the transmission line isobtained. Several potential applications, specifically poweroscillation damping, benefit from this capability. The conceptimplied the requirement to design a semiconductor valve, whichcan be inserted directly in the high-voltage power circuit.This certainly presented a technical challenge but thestraightforward approach appeared to be a cost-effectivealternative with small losses.</p><p>It was also realized that the TCSC exhibits quite differentbehaviour with respect to subsynchronous frequency componentsin the line current as compared to the fixed series capacitorbank. This was a very interesting aspect as the risk ofsubsynchronous resonance (SSR), which just involves such linecurrent components, has hampered the use of series compensationin power systems using thermal generating plants.</p><p>The thesis deals with the modelling and control aspects ofTCSC. A simplifying concept, the equivalent, instantaneousvoltage reversal, is introduced to represent the action of thethyristor controlled inductive branch, which is connected inparallel with the series capacitor bank in the TCSC. The idealvoltage reversal is used in the thesis in order to describe andexplain the TCSC dynamics, to investigate its apparentimpedance at various frequencies, as a platform forsynthesizing the boost control system and as the base elementin deriving a linear, small-signal dynamical model of thethree-phase TCSC. Quantitative Feedback Theory (QFT) then hasbeen applied to the TCSC model in order to tune its boostregulator taking into account the typical variation ofparameters that exists in a power system. The impact of theboost control system with respect to damping of SSR is finallybeing briefly looked at.</p><p><b>Keywords:</b>Thyristor Controlled Series Capacitor, TCSC,FACTS, reactive power compensation, boost control, phasorestimation, Quantitative Feedback Theory, subsynchronousresonance, SSR.</p>
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Taquire, Nelson Romero [UNESP]. "Proposta de um algoritmo eficiente para a localização de faltas por relé diferencial numérico para proteção de linhas de transmissão com compensação série controlada por tiristores (TCSC)." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/138861.

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Submitted by NELSON GIOVANNY ROMERO TAQUIRE (romero.taquire.nelson@gmail.com) on 2016-05-20T21:35:24Z No. of bitstreams: 1 NelsonGiovannyRomeroTaquire2016.pdf: 3534022 bytes, checksum: 59ecb7956af007830fd18b15c10562c2 (MD5)<br>Approved for entry into archive by Felipe Augusto Arakaki (arakaki@reitoria.unesp.br) on 2016-05-24T13:42:19Z (GMT) No. of bitstreams: 1 taquire_ngr_me_ilha.pdf: 3534022 bytes, checksum: 59ecb7956af007830fd18b15c10562c2 (MD5)<br>Made available in DSpace on 2016-05-24T13:42:19Z (GMT). No. of bitstreams: 1 taquire_ngr_me_ilha.pdf: 3534022 bytes, checksum: 59ecb7956af007830fd18b15c10562c2 (MD5) Previous issue date: 2016-03-21<br>Fundação de Ensino, Pesquisa e Extensão de Ilha Solteira (FEPISA)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Neste trabalho propõe-se um método para a localização de faltas que, em conjunto com a lógica de um relé diferencial numérico, deve ser usado para proteção de linhas de transmissão com compensação série controlada por tiristores (TCSC). Este método visa solucionar o problema de localização de faltas melhorando a precisão dos algoritmos que utilizam medições de sinais de tensão e corrente numa terminação da linha de transmissão. O cálculo da distância entre a terminação da linha de transmissão e o ponto de incidência da falta é realizado utilizando dois procedimentos: um para faltas produzida no trecho entre a terminação local da linha de transmissão e o TCSC; e o outro para faltas no trecho entre o TCSC e a terminação remota. A detecção do trecho de incidência da falta é obtido usando as medições de escorregamento angular dos sinais de corrente em ambos os extremos da linha de transmissão e a medição da resistência de falta no extremo local, que é variável durante o intervalo de início até um ciclo depois da ocorrência da falta. A aplicação da lógica difusa na comparação destas medições permite detectar com precisão o trecho com falta. O método proposto foi testado usando um sistema teste da literatura onde múltiplos casos de faltas em diferentes pontos da linha de transmissão foram simulados. Os resultados mostram a capacidade do algoritmo em localizar precisamente a posição de ocorrência da falta.<br>This paper proposes a methodology for locating faults in transmission lines with thyristor-controlled series compensation (TCSC) that are protected by numerical differential relays. The proposed methodology aims to overcome problems of fault location improving the accuracy of algorithms that use voltage and current measurement signals from a transmission line termination. The calculation of the distance between the transmission line termination and the fault incidence point employs two procedures: one for faults in the transmission line section limited by the local termination and TCSC; and other for faults in the section limited by the TCSC and remote termination. The detection of the fault incidence section is achieved using measurements of angular deviation for both transmission line terminations and the measurement of fault resistance in the local termination, which varies during the interval from the beginning to one cycle after the fault occurrence. The use of fuzzy logic for comparing these measurements permits the accurate detection of the fault incidence section. The proposed method is tested using a test system from literature system where multiple fault cases in different positions of the transmission line are simulated. The results show the algorithm capability to locate accurately the position of fault occurrence.
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Taquire, Nelson Romero. "Proposta de um algoritmo eficiente para a localização de faltas por relé diferencial numérico para proteção de linhas de transmissão com compensação série controlada por tiristores (TCSC) /." Ilha Solteira, 2016. http://hdl.handle.net/11449/138861.

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Orientador: Jose Sanches Mantovani<br>Resumo: Neste trabalho propõe-se um método para a localização de faltas que, em conjunto com a lógica de um relé diferencial numérico, deve ser usado para proteção de linhas de transmissão com compensação série controlada por tiristores (TCSC). Este método visa solucionar o problema de localização de faltas melhorando a precisão dos algoritmos que utilizam medições de sinais de tensão e corrente numa terminação da linha de transmissão. O cálculo da distância entre a terminação da linha de transmissão e o ponto de incidência da falta é realizado utilizando dois procedimentos: um para faltas produzida no trecho entre a terminação local da linha de transmissão e o TCSC; e o outro para faltas no trecho entre o TCSC e a terminação remota. A detecção do trecho de incidência da falta é obtido usando as medições de escorregamento angular dos sinais de corrente em ambos os extremos da linha de transmissão e a medição da resistência de falta no extremo local, que é variável durante o intervalo de início até um ciclo depois da ocorrência da falta. A aplicação da lógica difusa na comparação destas medições permite detectar com precisão o trecho com falta. O método proposto foi testado usando um sistema teste da literatura onde múltiplos casos de faltas em diferentes pontos da linha de transmissão foram simulados. Os resultados mostram a capacidade do algoritmo em localizar precisamente a posição de ocorrência da falta.<br>Abstract: This paper proposes a methodology for locating faults in transmission lines with thyristor-controlled series compensation (TCSC) that are protected by numerical differential relays. The proposed methodology aims to overcome problems of fault location improving the accuracy of algorithms that use voltage and current measurement signals from a transmission line termination. The calculation of the distance between the transmission line termination and the fault incidence point employs two procedures: one for faults in the transmission line section limited by the local termination and TCSC; and other for faults in the section limited by the TCSC and remote termination. The detection of the fault incidence section is achieved using measurements of angular deviation for both transmission line terminations and the measurement of fault resistance in the local termination, which varies during the interval from the beginning to one cycle after the fault occurrence. The use of fuzzy logic for comparing these measurements permits the accurate detection of the fault incidence section. The proposed method is tested using a test system from literature system where multiple fault cases in different positions of the transmission line are simulated. The results show the algorithm capability to locate accurately the position of fault occurrence.<br>Mestre
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Hadjikypris, Melios. "Supervisory control scheme for FACTS and HVDC based damping of inter-area power oscillations in hybrid AC-DC power systems." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/supervisory-control-scheme-for-facts-and-hvdc-based-damping-of-interarea-power-oscillations-in-hybrid-acdc-power-systems(cc03b44a-97f9-44ec-839f-5dcbcf2801f1).html.

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Modern interconnected power systems are becoming highly complex and sophisticated, while increasing energy penetrations through congested inter-tie lines causing the operating point approaching stability margins. This as a result, exposes the overall system to potential low frequency power oscillation phenomena following disturbances. This in turn can lead to cascading events and blackouts. Recent approaches to counteract this phenomenon are based on utilization of wide area monitoring systems (WAMS) and power electronics based devices, such as flexible AC transmission systems (FACTS) and HVDC links for advanced power oscillation damping provision. The rise of hybrid AC-DC power systems is therefore sought as a viable solution in overcoming this challenge and securing wide-area stability. If multiple FACTS devices and HVDC links are integrated in a scheme with no supervising control actions considered amongst them, the overall system response might not be optimal. Each device might attempt to individually damp power oscillations ignoring the control status of the rest. This introduces an increasing chance of destabilizing interactions taking place between them, leading to under-utilized performance, increased costs and system wide-area stability deterioration. This research investigates the development of a novel supervisory control scheme that optimally coordinates a parallel operation of multiple FACTS devices and an HVDC link distributed across a power system. The control system is based on Linear Quadratic Gaussian (LQG) modern optimal control theory. The proposed new control scheme provides coordinating control signals to WAMS based FACTS devices and HVDC link, to optimally and coherently counteract inter-area modes of low frequency power oscillations inherent in the system. The thesis makes a thorough review of the existing and well-established improved stability practises a power system benefits from through the implementation of a single FACTS device or HVDC link, and compares the case –and hence raises the issue–when all active components are integrated simultaneously and uncoordinatedly. System identification approaches are also in the core of this research, serving as means of reaching a linear state space model representative of the non-linear power system, which is a pre-requisite for LQG control design methodology.
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He, Yueying. "Stratégie de commande unifiée du TCSC ("Thyristor-Controlled Series Capacitor") pour améliorer la stabilité des réseaux électriques /." Thèse, Trois-Rivières, Université du Québec à Trois-Rivières, 2001. http://www.uqtr.ca/biblio/notice/resume/03-2228962R.html.

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He, Yueying. "Stratégie de commande unifiée du TCSC ("Thyristor-Controlled Series Capacitor") pour améliorer la stabilité des réseaux électriques." Thèse, Université du Québec à Trois-Rivières, 2001. http://depot-e.uqtr.ca/6652/1/000681033.pdf.

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Kreikebaum, Frank Karl. "Control of transmission system power flows." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50392.

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Power flow (PF) control can increase the utilization of the transmission system and connect lower cost generation with load. While PF controllers have demonstrated the ability to realize dynamic PF control for more than 25 years, PF control has been sparsely implemented. This research re-examines PF control in light of the recent development of fractionally-rated PF controllers and the incremental power flow (IPF) control concept. IPF control is the transfer of an incremental quantity of power from a specified source bus to specified destination bus along a specified path without influencing power flows on circuits outside of the path. The objectives of the research are to develop power system operation and planning methods compatible with IPF control, test the technical viability of IPF control, develop transmission planning frameworks leveraging PF and IPF control, develop power system operation and planning tools compatible with PF control, and quantify the impacts of PF and IPF control on multi-decade transmission planning. The results suggest that planning and operation of the power system are feasible with PF controllers and may lead to cost savings. The proposed planning frameworks may incent transmission investment and be compatible with the existing transmission planning process. If the results of the planning tool demonstration scale to the national level, the annual savings in electricity expenditures would be $13 billion per year (2010$). The proposed incremental packetized energy concept may facilitate a reduction in the environmental impact of energy consumption and lead to additional cost savings.
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Johansson, Nicklas. "Aspects on Dynamic Power Flow Controllers and Related Devices for Increased Flexibility in Electric Power Systems." Doctoral thesis, KTH, Elektriska maskiner och effektelektronik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-37823.

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This thesis studies different aspects of Flexible AC Transmission System (FACTS) devices which are used to improve the power transfer capability and increase the controllability in electric power systems. In the thesis, different aspects on the usage and control of Dynamic Power Flow Controllers (DPFC) and related FACTS devices are studied. The DPFC is a combination of a Phase Shifting Transformer (PST) and a Thyristor Switched Series Capacitor (TSSC)/Thyristor Switched Series Reactor (TSSR). The thesis proposes and studies a new method, the Ideal Phase-Shifter (IPS) method, for selection and rating of Power Flow Controllers (PFC) in a power grid. The IPS method, which is based on steady-state calculations, is proposed as a first step in the design process for a PFC. The method uses the Power controller plane, introduced by Brochu et al in 1999. The IPS method extends the usage of decoupling methods in the Power controller plane to a power system of arbitrary size. The IPS method was in the thesis used to compare the ratings of different PFC:s required to improve the power transfer capability in two test systems. The studied devices were here the PST, the TSSC/TSSR and the DPFC. The thesis treats control of ideal Controlled Series Capacitors (CSC), TCSC, TSSC/TSSR, and DPFC. The goals of the FACTS controllers which are developed are Power Oscillation Damping (POD), fast power flow control, and transient stability improvement in the power system. New adaptive control strategies for POD and power flow control are proposed and studied in different models of power systems by time-domain simulations. A strategy for transient stability improvement is also proposed and studied. Additionally, different methods for study of Subsynchronous Resonance (SSR), which is associated with series compensation in power systems, are investigated. Here, four of the most common methods for frequency scanning to determine the electrical damping of subsynchronous oscillations in a power grid are studied. The study reveals significant differences of the electrical damping estimates of the studied standard methods when applied to a four-machine test system.<br>QC 20110819
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Johansson, Nicklas. "Control of Dynamically Assisted Phase-shifting Transformers." Licentiate thesis, Stockholm : Elektrotekniska system, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4653.

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Pereira, Jacqueline Santos. "Análise de sistema elétrico de potência com alocação de TCSC utilizando fluxo de potência ótimo." reponame:Repositório Institucional da UFABC, 2017.

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Orientador: Prof. Dr. Edmarcio Antonio Belati<br>Dissertação (mestrado) - Universidade Federal do ABC, Programa de Pós-Graduação em Engenharia Elétrica, 2017.<br>Neste trabalho analisou-se o desempenho de um Sistema Elétrico de Potência, quando alocados TCSC (do inglês, Thyristor Controlled Serie Compensator), e determinaram-se seus parâmetros ótimos de controle buscando maximizar a capacidade de transmissão total do sistema e melhorar o seu perfil de tensão, operando com suas variáveis dentro de limites pré-estabelecidos. Para tanto, foram modeladas variações do problema de Fluxo de Potência Ótimo Reativo (FPOR) e executadas em duas fases, identificadas como fase de alocação e fase de análise. Na fase de alocação foram realizadas simulações para analisar a alocação de diferentes quantidades de TCSC no sistema, com o objetivo de maximizar a capacidade de transmissão total e, por conseguinte, com base em um carregamento previsto na rede, foi determinada a quantidade mínima de dispositivos necessários para atender tal demanda. Em seguida, com o número de TCSC definido, os mesmos foram realocados com o objetivo de minimizar o desvio de tensão. Na fase de análise, os TCSC alocados na fase anterior foram mantidos com objetivo de otimizar o perfil de tensão, simulando variações nas cargas do sistema. Na fase de alocação, foi utilizada uma modelagem de Programação Não Linear Inteira Mista (PNLIM). Na fase de análise, o perfil de tensão foi otimizado por meio de uma modelagem de Programação Não Linear (PNL). Os resultados obtidos para os sistemas testes IEEE-14 e -118 barras demonstram os benefícios da utilização de TCSC na rede, pois possibilitou o aumento da carga total do sistema, e proporcionou uma melhora no perfil de tensão por meio do seu ajuste ótimo.<br>This work analyzed the electric power system performance when allocated TCSC (Thysristor Controlled Series Compensator) and determined their optimal control parameters in order to maximize the total transmission capability of the system and improve the voltage profile, operating within their pre-stablished limits. For this purpose, variations of Reactive Optimal Power Flow (FPOR) problems were modeled and executed in two phases, identified as phase of allocation and phase of analysis: In the allocation phase, simulations were performed to analyze the allocation of different amounts of TCSC in the system in order to maximize the total transmission capacity and, therefore, based on a predicted loading in the network, the minimum amount of devices was determined to attain such demand. Then, as the number of TCSC was defined, they were reallocated with the objective of minimizing the voltage deviation. In the analysis phase, the TCSC were maintained by considering the objective of optimizing the voltage profile and simulating loads variations of the system. In the allocation phase, a Mixed Integer Nonlinear Programming (MINLP) model was used. In the analysis phase, the voltage profile was optimized through a Nonlinear Programming (NLP) modeling. The results for the IEEE-14 and -118 test systems demonstrated the benefits of using the TCSC in the network because it allowed the increase of the total load of the system and provided an improvement in the voltage profile through its optimum adjustment.
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Books on the topic "Thyristor Controlled Series Compensator (TCSC)"

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Bakhshaie, Hossein. Damping subsynchronous oscillations using thyristor-controlled series capacitor (TCSC). National Library of Canada, 1993.

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Book chapters on the topic "Thyristor Controlled Series Compensator (TCSC)"

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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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Nilsson, Stig L., and Marcio M. de Oliveira. "Technical Description of Thyristor Controlled Series Capacitors (TCSC)." In CIGRE Green Books. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-35386-5_26.

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Nilsson, Stig, and Marcio Oliveira. "Technical Description of Thyristor Controlled Series Capacitors (TCSC)." In CIGRE Green Books. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-71926-9_26-1.

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Nilsson, Stig, and Marcio Oliveira. "Technical Description of Thyristor Controlled Series Capacitors (TCSC)." In CIGRE Green Books. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-71926-9_26-2.

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Choudekar, Pallavi, Shagun Kachwaha, Aaditya Jhunjhunwala, and Anchal Dua. "Optimal Location of Thyristor Controlled Series Compensator to Assuage Congestion in Transmission Network." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8234-4_29.

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Made Wartana, I., and Ni Putu Agustini. "Optimal Integration of Series and Shunt FACTS with Wind Energy for Active Power Loss Reduction." In Renewable Energy - Recent Advances [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107296.

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The integration of wind energy (WE) with flexible AC transmission system (FACTS) devices into the grid to improve grid performance is one of the latest advances in renewable energy (RE) technology. This work proposes the optimal placement and size of a WE, a doubly-fed induction generator (DFIG) with two of FACTS controller, viz. thyristor-controlled series compensator (TCSC) static var compensator (SVC). The goal is to maximize system bus load (Max. LBS) and minimize active power loss (Min. Ploss) by satisfying various safety and stability constraints. Newton Raphson\'s power flow study involving TCSC, SVC, and DFIG is a bi-objective that meets multiple constraints: lines, generation, voltage limits, and small signal stability. A variant of the genetic algorithm, non-dominated sorting GA II (NSGA-II), was applied to solve the contradictory bi-objective optimization problem. A modified standard and practical test system, the IEEE 14-bus and the Indonesia Java Bali 24-bus, integrated with DFIG, TCSC, and SVC, were simulated to investigate the efficacy of the suggested technique. The simulation shows that the optimal placement and size of DFIG with both FACTS can improve system performance with all system loading conditions and meet all system constraints.
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Guha, Dipayan, Provas Kumar Roy, and Subrata Banerjee. "Dynamic and Stability Analysis of Wind-Diesel-Generator System With Intelligent Computation Algorithm." In Handbook of Research on Smart Power System Operation and Control. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8030-0.ch003.

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In this chapter, the dynamic performance of a wind-diesel-generator system has been studied against wind and load perturbations. The wind perturbation is modeled by simulating base, ramp, gust, and random wind. An optimized cascade tilt-integral-derivative (CC-TID) controller is provided to the test system for producing desired control signal to regulate the blade pitch angle of wind turbine. To confirm the efficacy of CC-TID controller, the output results are compared to that of PI- and PID-controller. The optimum gains of the proposed controllers are explored employing Levy-embedded grey wolf optimization, whale optimization algorithm, drone squadron optimization, and search group algorithm. To show the effectiveness, the output results are compared to the results of genetic algorithm and particle swarm optimization tuned controllers. A thyristor control series compensator (TCSC) is provided to WDG model for increasing the damping of system oscillations. Analysis of the presented results confirm the supremacy of CC-TID-TCSC controller over other controllers provided in this chapter.
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Kumar, G. V. Nagesh, B. Venkateswara Rao, D. Deepak Chowdary, and Polamraju V. S. Sobhan. "A Computational Comparison of Swarm Optimization Techniques for Optimal Load Shedding Under the Presence of FACTS Devices to Avoid Voltage Instability." In Critical Developments and Applications of Swarm Intelligence. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5134-8.ch008.

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Voltage instability has become a serious threat to the operation of modern power systems. Load shedding is one of the effective countermeasures for avoiding instability. Improper load shedding may result in huge technical and economic losses. So, an optimal load shedding is to be carried out for supplying more demand. This chapter implements bat and firefly algorithms for solving the optimal load shedding problem to identify the optimal amount of load to be shed. This is applied for a multi-objective function which contains minimization of amount of load to be shed, active power loss minimization, and voltage profile improvement. The presence of with and without static VAR compensator (SVC), thyristor-controlled series capacitor (TCSC), and unified power flow controller (UPFC) on load shedding for IEEE 57 bus system has been presented and analyzed. The results obtained with bat and firefly algorithms were compared with genetic algorithm (GA) and also the impact of flexible AC transmission system (FACTS) devices on load shedding problem has been analyzed.
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Ferreira, Mateus Andrade, Eduardo Gonzaga da silveira, and Alex-Sander Amável Luiz. "DESEMPENHO DO REL DE DIST NCIA EM LINHAS DE TRANSMISSÃO COMPENSADAS COM TCSC." In Engenharias - Automação, Robótica, Metrologia e Energia: estudos e tendências - Volume 1. Editora Científica Digital, 2023. http://dx.doi.org/10.37885/221211477.

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Objetivo: Este artigo apresenta o desenvolvimento e testes com enfoque na proteção de distância de um sistema elétrico em tensão reduzida composto por uma linha de transmissão trifásica com compensação série promovida por Thyristor controlled series capacitor (TCSC) controlado em malha aberta. Métodos: São detalhados os procedimentos adotados para construção do experimento, visão geral do sistema proposto, sistema de medição e aquisição de dados de tensão e de corrente, processamento dos sinais pelo relé de distância proposto, seleção dos componentes para construção do TCSC. Resultados: São apresentados diversos cenários de faltas no sistema proposto. Todos eles são simulados por meio de software e executados em testes práticos. Os resultados são analisados e comparados entre si. Conclusão: A principal contribuição deste trabalho foi o desenvolvimento da representação em escala de um sistema elétrico compensado por TCSC. Abordagens práticas não são usuais neste tipo de estudo, mas apresentam algumas vantagens interessantes em relação aos trabalhos que envolvem apenas simulações.
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Roy, Provas Kumar, Susanta Dutta, and Debashis Nandi. "Optimal Reactive Power Dispatch Incorporating TCSC-TCPS Devices Using Different Evolutionary Optimization Techniques." In Sustaining Power Resources through Energy Optimization and Engineering. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9755-3.ch014.

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The chapter presents two effective evolutionary methods, namely, artificial bee colony optimization (ABC) and biogeography based optimization (BBO) for solving optimal reactive power dispatch (ORPD) problem using flexible AC transmission systems (FACTS) devices. The idea is to allocate two types of FACTS devices such as thyristor-controlled series capacitor (TCSC) and thyristor-controlled phase shifter (TCPS) in such a manner that the cost of operation is minimized. In this paper, IEEE 30-bus test system with multiple TCSC and TCPS devices is considered for investigations and the results clearly show that the proposed ABC and BBO methods are very competent in solving ORPD problem in comparison with other existing methods.
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Conference papers on the topic "Thyristor Controlled Series Compensator (TCSC)"

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Labed, Mohamed Amir, Mohamed Benidir, and Hocine Sekhane. "Integrating Thyristor Controlled Series Compensator in Optimal Power Flow Solutions using Grey Wolf Optimization and Particle Swarm Optimization." In 2024 International Conference on Advances in Electrical and Communication Technologies (ICAECOT). IEEE, 2024. https://doi.org/10.1109/icaecot62402.2024.10828614.

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Varma, Rajiv K., Ysni Semsedini, and Soubhik Auddy. "Mitigation of subsynchronous oscillations in a series compensated wind farm with Thyristor Controlled Series Capacitor (TCSC)." In 2007 Power Systems Conference: Advanced Metering, Protection, Control, Communication, and Distributed Resources. IEEE, 2007. http://dx.doi.org/10.1109/psamp.2007.4740923.

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Ramakrishna, N., A. K. Choppa, and B. Sreekanth. "A real time lab scaled thyristor controlled series compensation (TCSC) model for voltage regulation studies." In 2013 International Conference on Energy Efficient Technologies for Sustainability (ICEETS). IEEE, 2013. http://dx.doi.org/10.1109/iceets.2013.6533577.

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A. G. Calsavara, Matheus, and Wesley Peres. "Projeto Coordenado de Estabilizadores e Controladores TCSC-POD usando o Coyote Optimization Algorithm." In Congresso Brasileiro de Automática - 2020. sbabra, 2020. http://dx.doi.org/10.48011/asba.v2i1.1495.

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O amortecimento de oscilações eletromecânicas de baixa frequência é crucial para uma operação confiável dos sistemas elétricos. Estas são resultado do desbalanço entre os torques elétrico e mecânico nas máquinas síncronas após pequenas variações de carga e de geração. Caso não sejam amortecidas, estas podem deteriorar os geradores, reduzir os limites de transferência de potência entre áreas e causar blecautes. Desde a década de setenta, estabilizadores de sistemas de potência (power system stabilizers – PSS) têm sido usados para o amortecimento de oscilações através do controle da excitação dos geradores. Com o advento dos dispositivos FACTS, surgiram novas oportunidades para um controle mais eficaz em regime permanente dos sistemas bem como para o amortecimento de oscilações (através dos controladores power oscillation damper – POD). Um dos dispositivos FACTS mais usados é o Compensador Série Controlado a Tiristor (Thyristor Controlled Series Capacitor - TCSC) usualmente empregado para controle de potência. Uma importante tarefa é o ajuste de vários controladores PSS e POD para o amortecimento de oscilações considerando vários pontos de operação (que traduzem a incerteza na operação do sistema). Nesse trabalho, é investigada a aplicação do algoritmo de otimização bioinspirado no comportamento dos coiotes (Coyote Optimization Algorithm - COA) no ajuste coordenado de controladores PSS e TCSC-POD para o amortecimento de oscilações considerando vários pontos de operação. Resultados promissores são obtidos pelo COA para o sistema Sul-Brasileiro.
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Mahajan, Vasundhara. "Thyristor Controlled Series Compensator." In 2006 IEEE International Conference on Industrial Technology. IEEE, 2006. http://dx.doi.org/10.1109/icit.2006.372373.

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Sangheetha, A. P., and S. Padma. "Performance analysis of Thyristor Controlled Series Compensator." In 2014 International Conference on Circuit, Power and Computing Technologies (ICCPCT). IEEE, 2014. http://dx.doi.org/10.1109/iccpct.2014.7054780.

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Baghzouz, Y., and J. Black. "Accurate calculation of thyristor-controlled series compensator impedance." In 1999 IEEE Transmission and Distribution Conference (Cat. No. 99CH36333). IEEE, 1999. http://dx.doi.org/10.1109/tdc.1999.756128.

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Singh, Pradeep, Rajive Tiwari, Venu Sangwan, and Abhilash Kumar Gupta. "Optimal Allocation of Thyristor-Controlled Series Capacitor (TCSC) and Thyristor-Controlled Phase-Shifting Transformer (TCPST)." In 2020 International Conference on Power Electronics & IoT Applications in Renewable Energy and its Control (PARC). IEEE, 2020. http://dx.doi.org/10.1109/parc49193.2020.236662.

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Chunpeng, Zhang, Jiang Qirong, Wei Yingdong, Hong Chao, Chen Yan, and Shi Dan. "A series voltage compensator based on thyristor-controlled transformer." In 2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC). IEEE, 2015. http://dx.doi.org/10.1109/appeec.2015.7380889.

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Bawankar, A. S., and V. P. Rajderkar. "Thyristor Controlled Series Compensator to Resolve Congestion Caused Problems." In Third International Conference on Emerging Trends in Engineering and Technology (ICETET 2010). IEEE, 2010. http://dx.doi.org/10.1109/icetet.2010.133.

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