Academic literature on the topic 'VSC-HVDC link'

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Journal articles on the topic "VSC-HVDC link"

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Polster, Stefan, Herwig Renner, Katrin Friedl, and Olof Samuelsson. "Advanced automated emergency control strategy for embedded VSC-HVDC links." e & i Elektrotechnik und Informationstechnik 137, no. 8 (2020): 394–99. http://dx.doi.org/10.1007/s00502-020-00831-8.

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AbstractThis paper proposes an advanced emergency control strategy for embedded VSC-HVDC links after AC disturbances, such as line tripping and generation loss. The control goals are to minimize the impact of the disturbance on the AC-network, which includes improving the long-term voltage stability with utilizing possible unloading capacity of parallel AC elements. The proposed algorithm is evaluated against other control strategies for embedded VSC-HVDC links by applying it to a simple demonstration network. The test system includes all necessary VSC converter dynamics, the VSC-HVDC link cur
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Bidadfar, Ali, Oscar Saborío-Romano, Jayachandra Naidu Sakamuri, Vladislav Akhmatov, Nicolaos Antonio Cutululis, and Poul Ejnar Sørensen. "Coordinated Control of HVDC and HVAC Power Transmission Systems Integrating a Large Offshore Wind Farm." Energies 12, no. 18 (2019): 3435. http://dx.doi.org/10.3390/en12183435.

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The development of efficient and reliable offshore electrical transmission infrastructure is a key factor in the proliferation of offshore wind farms (OWFs). Traditionally, high-voltage AC (HVAC) transmission has been used for OWFs. Recently, voltage-source-converter-based (VSC-based) high-voltage DC (VSC-HVDC) transmission technologies have also been considered due to their grid-forming capabilities. Diode-rectifier-based (DR-based) HVDC (DR-HVDC) transmission is also getting attention due to its increased reliability and reduced offshore platform footprint. Parallel operation of transmission
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Khatir, Mohamed, Sid-Ahmed Zidi, Samir Hadjeri, and Mohammed-Karim Fellah. "Dynamic Performance of a Back-to-Back HVDC Station Based on Voltage Source Converters." Journal of Electrical Engineering 61, no. 1 (2010): 29–36. http://dx.doi.org/10.2478/v10187-010-0004-9.

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Dynamic Performance of a Back-to-Back HVDC Station Based on Voltage Source Converters The recent developments in semiconductors and control equipment have made the voltage source converter based high voltage direct current (VSC-HVDC) feasible. This new DC transmission is known as "HVDC Light or "HVDC Plus by leading vendors. Due to the use of VSC technology and pulse width modulation (PWM) the VSC-HVDC has a number of potential advantages as compared with classic HVDC. In this paper, the scenario of back-to-back VSC-HVDC link connecting two adjacent asynchronous AC networks is studied. Control
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Dambone Sessa, Chiarelli, and Benato. "Availability Analysis of HVDC-VSC Systems: A Review." Energies 12, no. 14 (2019): 2703. http://dx.doi.org/10.3390/en12142703.

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This work stems from the worldwide increasing need to precisely consider, in the design phase of an HVDC project, the availability of the HVDC system. In this paper, an overview of the availability assessment methods for HVDC-VSC transmission systems is presented. In particular, the state of the art of the procedures to estimate the availability of both the HVDC link reparable components and the conversion system on the basis of the converter configuration is given. The theoretical fundamentals of each method, together with their practical applications, have been described, in order to highlig
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Raza, Ali, Muhammad Younis, Yuchao Liu, Ali Altalbe, Kumars Rouzbehi, and Ghulam Abbas. "A Multi-Terminal HVdc Grid Topology Proposal for Offshore Wind Farms." Applied Sciences 10, no. 5 (2020): 1833. http://dx.doi.org/10.3390/app10051833.

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Although various topologies of multi-terminal high voltage direct current (MT-HVdc) transmission systems are available in the literature, most of them are prone to loss of flexibility, reliability, stability, and redundancy in the events of grid contingencies. In this research, two new wind farms and substation ring topology (2WF-SSRT) are designed and proposed to address the aforementioned shortcomings. The objective of this paper is to investigate MT-HVdc grid topologies for integrating large offshore wind farms with an emphasis on power loss in the event of a dc grid fault or mainland alter
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Phani Kumar, Ch S. V. S., and T. Vinay Kumar. "A Novel on Stability and Fault Ride through Analysis of Type-4 Wind Generation System Integrated to VSC-HVDC Link." International Journal of Applied Power Engineering (IJAPE) 7, no. 1 (2018): 52. http://dx.doi.org/10.11591/ijape.v7.i1.pp52-58.

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Now-a-days pollution is increasing due to “Non Renewable Energy Sources”. In order to enhance the efficiency of conventional grid and to generate the electrical power in eco-friendly way, the renewable energy sources are employed. In this paper a type 4 wind generation system is implemented to analyse the system under fault conditions and to analyse the grid stability. In the proposed system type-4 wind generation system integrated to grid through VSC-HVDC link analysis is done by considering a fault on the grid side by the system gets isolated and wind generation system transfers voltage to l
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Gul, Mehr, Nengling Tai, Wentao Huang, Muhammad Haroon Nadeem, Muhammad Ahmad, and Moduo Yu. "Technical and Economic Assessment of VSC-HVDC Transmission Model: A Case Study of South-Western Region in Pakistan." Electronics 8, no. 11 (2019): 1305. http://dx.doi.org/10.3390/electronics8111305.

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The southwestern part of Pakistan is still not connected to the national grid, despite its abundance in renewable energy resources. However, this area becomes more important for energy projects due to the development of the deep-sea Gwadar port and the China Pakistan Economic Corridor (CPEC). In this paper, a voltage source converter (VSC) based high voltage DC (HVDC) transmission model is proposed to link this area to the national gird. A two-terminal VSC-HVDC model is used as a case study, in which a two-level converter with standard double-loop control is employed. The proposed model has a
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Haleem, Naushath M., Athula D. Rajapakse, Aniruddha M. Gole, and Ioni T. Fernando. "A Selective Fault Clearing Scheme for a Hybrid VSC-LCC Multi-Terminal HVdc System." Energies 13, no. 14 (2020): 3554. http://dx.doi.org/10.3390/en13143554.

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A selective fault clearing scheme is proposed for a hybrid voltage source converter (VSC)-line commutated converter (LCC) multi-terminal high voltage direct current (HVdc) transmission structure in which two small capacity VSC stations tap into the main transmission line of a high capacity LCC-HVdc link. The use of dc circuit breakers (dc CBs) on the branches connecting to VSCs at the tapping points is explored to minimize the impact of tapping on the reliability of the main LCC link. This arrangement allows clearing of temporary faults on the main LCC line as usual by force retardation of the
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Eyenubo, OJ, and P. Oshevire. "IMPROVEMENT OF POWER SYSTEM QUALITY USING VSC-BASED HVDC TRANSMISSION." Nigerian Journal of Technology 36, no. 3 (2017): 889–96. http://dx.doi.org/10.4314/njt.v36i3.31.

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The HVDC technology can be represented by the combination of a Direct Current (DC) circuit with two power electronics converters, each one at a link terminal, for AC/DC and DC/AC conversion The principal characteristic of VSC-HVDC transmission is its ability to independently control the reactive and real power flow at each of the AC systems via the Point of Common Coupling (PCC). The active and reactive power is related to the power angle and the magnitude of voltage in the reference -frame selected such that the quadrature component will result in the ratio between the maximum fundamental pe
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Mohan, Madhan, Bhim Singh, and Bijaya Ketan Panigrahi. "Design, Control, and Modeling of a New Voltage Source Converter for HVDC System." International Journal of Emerging Electric Power Systems 14, no. 2 (2013): 123–38. http://dx.doi.org/10.1515/ijeeps-2012-0040.

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Abstract: A New Voltage Source Converter (VSC) based on neutral clamped three-level circuit is proposed for High Voltage DC (HVDC) system. The proposed VSC is designed in a multipulse configuration. The converter is operated by Fundamental Frequency Switching (FFS). A new control method is developed for achieving all the necessary control aspects of HVDC system such as independent real and reactive power control, bidirectional real and reactive power control. The basic of the control method is varying the pulse width and by keeping the dc link voltage constant. The steady state and dynamic per
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Dissertations / Theses on the topic "VSC-HVDC link"

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Cao, Weiran. "Linear Modeling of DFIGs and VSC-HVDC Systems." Thesis, KTH, Elektrisk energiomvandling, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-177643.

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Recently, with growing application of wind power, the system based on the doubly fedinduction generator (DFIG) has become the one of the most popular concepts. Theproblem of connecting to the grid is also gradually revealed. As an effective solution toconnect offshore wind farm, VSC-HVDC line is the most suitable choice for stabilityreasons. However, there are possibilities that the converter of a VSC-HVDC link canadversely interact with the wind turbine and generate poorly damped sub-synchronousoscillations. Therefore, this master thesis will derive the linear model of a single DFIG aswell as
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Larsson, Martin. "Stability and redundancy studies on the electrical grid on Gotland with respect to 500 MW of new wind power and a VSC HVDC link to the mainland." Thesis, Uppsala universitet, Elektricitetslära, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-204659.

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The electric grid of Gotland is connected to the mainland via a 90 km HVDC Classic bipole of 2 * 130 MW. The HVDC link balances the load and production on the island to maintain the frequency within limits, the load varies between 50 and 180 MW throughout the year. The power production on the island comes mainly from wind power. Today, the installed power is about 170 MW but the wind power production will be further exploited and the plan is to add another 500 MW of wind power capacity to the existing plants. These plants will be connected to a new 130 kV transmission grid which will have a co
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Tan, Jiak-San. "Flexibility in MLVR-VSC back-to-back link." Thesis, University of Canterbury. Electrical and Computer Engineering, 2006. http://hdl.handle.net/10092/1119.

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This thesis describes the flexible voltage control of a multi-level-voltage-reinjection voltage source converter. The main purposes are to achieve reactive power generation flexibility when applied for HVdc transmission systems, reduce dynamic voltage balancing for direct series connected switches and an improvement of high power converter efficiency and reliability. Waveform shapes and the impact on ac harmonics caused by the modulation process are studied in detail. A configuration is proposed embracing concepts of multi level, soft-switching and harmonic cancellation. For the configu
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Björklund, Erik. "Control Strategies for VSC-HVDC links in Weak AC Systems." Thesis, Uppsala universitet, Avdelningen för systemteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-373650.

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In this master thesis control systems for a voltage-source converter HVDC connected to weak ac networks are investigated. HVDC stands for high voltage direct current and is a way to transfer power in the electrical power system. A HVDC uses direct current (dc) instead of alternate current (ac) to transfer power, which requires transformation between ac and dc since most power grids are ac networks. The HVDC uses converters to transform ac to dc and dc to ac and the converter requires a control system. A complete control system of a voltage source converter HVDC contains many different parts. T
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Zhang, Lidong. "Modeling and Control of VSC-HVDC Links Connected to Weak AC Systems." Doctoral thesis, KTH, Elektriska maskiner och effektelektronik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-13226.

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For high-voltage direct-current (HVDC) transmission, the strength of the ac system is important for normal operation. An ac system can be considered as weak either because its impedance is high or its inertia is low. A typical high-impedance systemis when an HVDC link is terminated at a weak point of a large ac system where the short-circuit capacity of the ac system is low. Low-inertia systems are considered to have limited number of rotating machines, or no machines at all. Examples of such applications can be found when an HVDC link is powering an isand system, or if it is connected to a wi
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Fischer, de Toledo Paulo. "Modelling and control of a line-commutated HVDC transmission system interacting with a VSC STATCOM." Doctoral thesis, KTH, Elektriska maskiner och effektelektronik, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4492.

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The interaction of an HVDC converter with the connected power system is of complex nature. An accurate model of the converter is required to study these interactions. The use of analytical small-signal converter models provides useful insight and understanding of the interaction of the HVDC system and the connected system components. In this thesis analytical models of the HVDC converters are developed in the frequency-domain by calculating different transfer functions for small superimposed oscillations of voltage, current, and control signals. The objective is to study the dynamic proprietie
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Fischer, de Toledo Paulo. "Modeling and control of a line-commutated HVDC transmission system interacting with a VSC STATCOM : /." Stockholm : Elektrotekniska system, Kungliga Tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4492.

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Kazemtabrizi, Behzad. "Mathematical modelling of multi-terminal VSC-HVDC links in power systems using optimal power flows." Thesis, University of Glasgow, 2011. http://theses.gla.ac.uk/2937/.

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An advanced mathematical model of the Voltage Source Converters (VSC) suitable for optimal power flow (OPF) solutions using Newton’s method for augmented Lagrangian functions has been developed in this research, using first principles – this model is far more flexible and realistic than the existing VSC models aimed at fundamental frequency power systems studies. The nodal active and reactive powers of the VSC are suitably modified to accommodate more complex models corresponding to back-to-back, point-to-point and multi-terminal High Voltage Direct Current (HVDC) transmission links, within Ne
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Karasin, Pathirannahalage Amila Nuwan Pathirana. "Travelling Wave Based DC Line Fault Location in VSC HVDC Systems." 2013. http://hdl.handle.net/1993/14399.

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Travelling wave based fault location techniques work well for line commutated converter (LCC) based high voltage direct current (HVDC) transmission lines, but the large capacitors at the DC line terminals makes application of the same techniques for voltage source converter (VSC) based HVDC schemes challenging. A range of possible signals for detecting the fault generated travelling wave arrival times was investigated. Considering a typical VSC HVDC system topology and based on the study, an efficient detection scheme was proposed. In this scheme, the rate of change of the current through the
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Βρυώνης, Θεόδωρος. "Εφαρμογή τεχνικών υπολογιστικής νοημοσύνης για την αδιάλειπτη λειτουργία συστημάτων ηλεκτρικής ενέργειας με ανεμογεννήτριες σε διαταραχές βραχυκυκλωμάτων". Thesis, 2013. http://hdl.handle.net/10889/7514.

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Στα πλαίσια της διδακτορικής διατριβής μελετήθηκε η αποτελεσματικότητα διαφόρων κυκλωμάτων ελέγχου που βασίζονται στην υπολογιστική νοημοσύνη με σκοπό την αντιμετώπιση βραχυκυκλωμάτων σε δίκτυα διασύνδεσης ανεμογεννητριών με το δίκτυο. Πιο συγκεκριμένα, τα προτεινόμενα συστήματα ελέγχου έχουν σκοπό τη διαμόρφωση κατάλληλων συνθηκών ώστε οι ανεμογεννήτριες να καταφέρουν να συνεχίσουν να είναι συνδεδεμένες στο δίκτυο κατά τη διάρκεια και αμέσως μετά τα βραχυκυκλώματα, συνεισφέροντας στη γρήγορη επαναφορά της τάσης στο Σημείο Κοινής Σύνδεσης με το Δίκτυο (ΣΚΣΔ). Στο πρώτο μέρος της διατριβής με
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Book chapters on the topic "VSC-HVDC link"

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Irnawan, Roni. "Planning of HVDC Link Expansion." In Planning and Control of Expandable Multi-Terminal VSC-HVDC Transmission Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-27488-7_2.

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Li, Bin, and Jiawei He. "High-Speed Single-Ended DC Line Protection for the VSC-HVDC Grid." In Protection Principle and Technology of the VSC-Based DC Grid. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6644-8_4.

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Chen, Yulin, Jianfeng Zhang, Xiaoyang Yu, and Jie Zhang. "Fault Monitoring and Location for the Metallic Return Line in VSC-HVDC Grid." In Proceedings of PURPLE MOUNTAIN FORUM 2019-International Forum on Smart Grid Protection and Control. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9779-0_48.

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Conference papers on the topic "VSC-HVDC link"

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Vestergaard, O., and P. Lundberg. "Maritime Link The First Bipolar VSC HVDC with Overhead Line." In 2019 AEIT HVDC International Conference (AEIT HVDC). IEEE, 2019. http://dx.doi.org/10.1109/aeit-hvdc.2019.8740513.

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Oni, Oluwafemi E., and Innocent E. Davidson. "Harmonie distortion of LCC-HVDC and VSC-HVDC link in eskom's cahora bassa HVDC scheme." In 2016 IEEE International Conference on Renewable Energy Research and Applications (ICRERA). IEEE, 2016. http://dx.doi.org/10.1109/icrera.2016.7884384.

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Magg, T., M. Manchen, E. Krige, J. Wasborg, and J. Sundin. "Connecting networks with VSC HVDC in Africa: Caprivi Link interconnector." In 2012 IEEE Power & Energy Society Conference and Exposition in Africa: Intelligent Grid Integration of Renewable Energy Resources (PowerAfrica 2012). IEEE, 2012. http://dx.doi.org/10.1109/powerafrica.2012.6498630.

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Liu, Yan, and Zhe Chen. "Short Circuit Ratio analysis of multi-infeed HVDC system with a VSC-HVDC link." In IECON 2011 - 37th Annual Conference of IEEE Industrial Electronics. IEEE, 2011. http://dx.doi.org/10.1109/iecon.2011.6119438.

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Nnachi, Agha F., Josiah L. Munda, Dan V. Nicolae, and Augustin Mpanda Mabwe. "Small power tapping limit on dc-link of VSC HVDC transmission system." In IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2013. http://dx.doi.org/10.1109/iecon.2013.6699468.

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Tyagi, Abhishek, and K. R. Padiyar. "Dynamic analysis and simulation of a VSC based Back-to-Back HVDC link." In 2006 India International Conference on Power Electronics (IICPE 2006). IEEE, 2006. http://dx.doi.org/10.1109/iicpe.2006.4685374.

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Djehaf, M., S.-A. Zidi, S. Hadjeri, Y. Djilani Kobibi, and Souag Sliman. "Steady-state and dynamic performance of asynchronous back-to-back VSC HVDC link." In 2013 3rd International Conference on Electric Power and Energy Conversion Systems (EPECS). IEEE, 2013. http://dx.doi.org/10.1109/epecs.2013.6712997.

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Gonzalez-Hernandez, Servando, Edgar Moreno-Goytia, M. Fraga-Aguilar, and O. Anaya-Lara. "Integration of wind power using a multiterminal VSC-HVDC link: Steady-state analysis." In Exposition: Latin America. IEEE, 2008. http://dx.doi.org/10.1109/tdc-la.2008.4641778.

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Archana, A., and L. Arun. "Synthesis of sliding and integral sliding mode controllers for the VSC-HVDC transmission link." In 2017 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES). IEEE, 2017. http://dx.doi.org/10.1109/spices.2017.8091333.

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Shadabi, Hamed, and Innocent Kamwa. "Studing of storage system for Three-Terminal VSC-HVDC Link Connected Offshore Wind Farmse." In 2020 IEEE Power & Energy Society General Meeting (PESGM). IEEE, 2020. http://dx.doi.org/10.1109/pesgm41954.2020.9281954.

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