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Journal articles on the topic 'Line-commutated Current-source Converter'

Author: Grafiati

Published: 4 June 2021

Last updated: 18 February 2022

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1

Chen, Lei, Huiwen He, Guocheng Li, et al. "Study of Resistive-Type Superconducting Fault Current Limiters for a Hybrid High Voltage Direct Current System." Materials 12, no. 1 (2018): 26. http://dx.doi.org/10.3390/ma12010026.

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In this paper, a hybrid high voltage direct current transmission system containing a line commutated converter and a voltage source converter is developed. To enhance the robustness of the hybrid transmission system against direct current short-circuit faults, resistive-type superconducting fault current limiters are applied, and the effectiveness of this approach is assessed. Related mathematical models are built, and the theoretical functions of the proposed approach are expounded. According to the transient simulations in MATLAB software, the results demonstrate that: (i) The superconductin

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2

Antar, Rakan Khalil, Basil Mohammed Saied, and Rafid Ahmed Khalil. "Power Quality Improvement of High Voltage DC Link using Modified Shunt Active Power Filter." Al-Kitab Journal for Pure Sciences 1, no. 1 (2018): 54–66. http://dx.doi.org/10.32441/kjps.v1i1.91.

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A new control strategy for active power filters is proposed, modeled and implemented in order to improve the power quality of a line commutated converter High voltage DC link. The ability of reactive power and harmonics reductions are generally met by using passive and active power filters. In this paper, modified active power filter with a modified harmonics pulse width modulation algorithm is used to minimize the source harmonics and force the AC supply current to be in the same phase with AC voltage source at both sending and receiving sides of a line commutated converter high voltage DC li

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3

Oni, Oluwafemi Emmanuel, Kamati I. Mbangula, and Innocent E. Davidson. "A Review of LCC-HVDC and VSC-HVDC Technologies and Applications." Transactions on Environment and Electrical Engineering 1, no. 3 (2016): 68. http://dx.doi.org/10.22149/teee.v1i3.29.

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High Voltage Direct Current (HVDC) systems has been an alternative method of transmitting electric power from one location to another with some inherent advantages over AC transmission systems. The efficiency and rated power carrying capacity of direct current transmission lines highly depends on the converter used in transforming the current from one form to another (AC to DC and vice versa). A well configured converter reduces harmonics, increases power transfer capabilities, and reliability in that it offers high tolerance to fault along the line. Different HVDC converter topologies have be

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4

Hu, Yang, Heng Zhang, Jing Chen, et al. "A Multi-Functional De-Icing Equipment Using Hybrid Type Parallel Current Source Converters." E3S Web of Conferences 256 (2021): 02016. http://dx.doi.org/10.1051/e3sconf/202125602016.

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This paper has proposed a phase controlled and PWM controlled power current source converter (CSC) for transmission line de-icing. The proposed system consists of a high-power thyristor-based line commutated converter to contribute a majority of the dc de-icing current and a low power PWM CSC to provide a part of the dc de-icing current and to compensate the low order harmonic ac current from the TCR. Thus, the grid current can be highly sinusoidal. In order to avoid the resonance caused by the interaction between TCR and PWM CSC, a virtual impedance control is implemented in the PWM CSC witho

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5

Lee, Chun-Kwon, Gyu-Sub Lee, and Seung-Jin Chang. "Solution to Fault of Multi-Terminal DC Transmission Systems Based on High Temperature Superconducting DC Cables." Energies 14, no. 5 (2021): 1292. http://dx.doi.org/10.3390/en14051292.

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In this paper, we developed the small-signal state-space (SS) model of hybrid multi-terminal high-voltage direct-current (HVDC) systems and fault localization method in a failure situation. The multi-terminal HVDC (MTDC) system is composed of two wind farm side voltage-source converters (VSCs) and two grid side line-commutated converters (LCCs). To utilize relative advantages of the conventional line-commutated converter (LCC) and the voltage source converter (VSC) technologies, hybrid multi-terminal high-voltage direct-current (MTDC) technologies have been highlighted in recent years. For the

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6

Yoo, Hyun Jae, Myong-Chul Shin, Jae Hyeong Lee, and Young Kwan Choi. "DC Line Ground Fault Detection Scheme for Line Commutated Converter High Voltage Direct Current Connected to Renewable Energy Source." Science of Advanced Materials 10, no. 2 (2018): 267–74. http://dx.doi.org/10.1166/sam.2018.2967.

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7

Torres-Olguin, Raymundo E., Alejandro Garces, Marta Molinas, and Tore Undeland. "Integration of Offshore Wind Farm Using a Hybrid HVDC Transmission Composed by the PWM Current-Source Converter and Line-Commutated Converter." IEEE Transactions on Energy Conversion 28, no. 1 (2013): 125–34. http://dx.doi.org/10.1109/tec.2012.2230535.

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8

Cheng, Fan, Lijun Xie, and Zhibing Wang. "Research on Serial VSC-LCC Hybrid HVdc Control Strategy and Filter Design Scheme." Energies 13, no. 9 (2020): 2260. http://dx.doi.org/10.3390/en13092260.

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This paper investigated the characteristics of a novel type of hybrid high voltage direct current (HVdc) converter, which is composed by line commutated converter series with voltage source converter. The system and valve level control strategies are introduced, which can provide ac system voltage support. A novel filter design scheme composed by resonant filers for hybrid HVdc are also proposed, which can decrease the capacity of reactive power compensation equipment without deteriorate harmonic characteristics. The ac voltage of HVdc fluctuation level caused by transmitted power variation wi

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9

de Toledo, P. F., L. Ängquist, and H. P. Nee. "Frequency domain model of an HVDC link with a line-commutated current-source converter. Part I: fixed overlap." IET Generation, Transmission & Distribution 3, no. 8 (2009): 757–70. http://dx.doi.org/10.1049/iet-gtd.2008.0587.

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10

de Toledo, P. F., L. Ängquist, and H. P. Nee. "Frequency domain model of an HVDC link with a line-commutated current-source converter. Part II: varying overlap." IET Generation, Transmission & Distribution 3, no. 8 (2009): 771–82. http://dx.doi.org/10.1049/iet-gtd.2008.0588.

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11

Benato, Roberto, Antonio Chiarelli, and Sebastian Dambone Sessa. "Reliability Assessment of a Multi-State HVDC System by Combining Markov and Matrix-Based Methods." Energies 14, no. 11 (2021): 3097. http://dx.doi.org/10.3390/en14113097.

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The purpose of this paper is to highlight that, in order to assess the availability of different HVDC cable transmission systems, a more detailed characterization of the cable management significantly affects the availability estimation since the cable represents one of the most critical elements of such systems. The analyzed case study consists of a multi-terminal direct current system based on both line commutated converter and voltage source converter technologies in different configurations, whose availability is computed for different transmitted power capacities. For these analyses, the

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12

Abedin, Tarek, M. Shahadat Hossain Lipu, Mahammad A. Hannan, et al. "Dynamic Modeling of HVDC for Power System Stability Assessment: A Review, Issues, and Recommendations." Energies 14, no. 16 (2021): 4829. http://dx.doi.org/10.3390/en14164829.

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High-voltage direct current (HVDC) has received considerable attention due to several advantageous features such as minimum transmission losses, enhanced stability, and control operation. An appropriate model of HVDC is necessary to assess the operating conditions as well as to analyze the transient and steady-state stabilities integrated with the AC networks. Nevertheless, the construction of an HVDC model is challenging due to the high computational cost, which needs huge ranges of modeling experience. Therefore, advanced dynamic modeling of HVDC is necessary to improve stability with minimu

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13

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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14

Wu, Xinglong, Zheng Xu, and Zheren Zhang. "Power Stability Analysis and Evaluation Criteria of Dual-Infeed HVDC with LCC-HVDC and VSC-HVDC." Applied Sciences 11, no. 13 (2021): 5847. http://dx.doi.org/10.3390/app11135847.

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This paper analyzes the power stability of the hybrid dual-infeed high-voltage direct-current (HVDC) system containing a line commutated converter-based HVDC (LCC-HVDC) and a voltage source converter-based HVDC (VSC-HVDC). First, the concept and the calculation method of power stability for the hybrid dual-infeed HVDC system are introduced. Second, the influence of VSC-HVDC on the power stability of the system is investigated. Third, the relationship between the power stability and the effective short circuit ratio (ESCR) is discussed under different system parameters. Then, the value range of

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15

Hwang, Sungchul, Sungyoon Song, Gilsoo Jang, and Minhan Yoon. "An Operation Strategy of the Hybrid Multi-Terminal HVDC for Contingency." Energies 12, no. 11 (2019): 2042. http://dx.doi.org/10.3390/en12112042.

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The application of the direct current (DC) transmission is increasing through the interconnection between grids or the renewable energy resource integration. Various types of DC transmission topology are researched, and the hybrid multi-terminal high voltage DC (HVDC), called the “MTDC”, is one of the research subjects. The hybrid multi-terminal HVDC is the MTDC system that is composed with the Line Commutated Converter (LCC) and Voltage Source Converter (VSC). Most hybrid MTDC research has been focused on the connection of the renewable energy generation sources, especially offshore wind farm

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16

Rehman, Bilawal, Atiq ur Rehman, Waqar Ahmad Khan, Irfan Sami, and Jong-Suk Ro. "Operation and Challenges of Multi-Infeed LCC–HVDC System: Commutation Failure, AC/DC Power Flow, and Voltage Stability." Applied Sciences 11, no. 18 (2021): 8637. http://dx.doi.org/10.3390/app11188637.

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This paper presents a detailed analysis of commutation failure, AC/DC power flow, and voltage stability of multi-infeed high-voltage direct current (HVDC). The use of HVDC power transmission technology has become common in modern power systems. During the past two decades, HVDC technology has been extensively used for long-distance bulk power transmission to remote areas. Throughout the world, the demand for power has drastically increased in recent years due to industrialization; such situations make HVDC an economic candidate because the distance between power generation plants and load area

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17

Yonghe, Liu, Jos Arrillaga, Neville R. Watson, and Lasantha B. Perera. "Application of the DC-Ripple Reinjection Concept to Forced-Commutated Conversion." International Journal of Emerging Electric Power Systems 5, no. 2 (2006). http://dx.doi.org/10.2202/1553-779x.1295.

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A dc-ripple reinjection concept, described in the literature with reference to the line-commutated current source converter, is applied in this paper to the self-commutated current source converter. This is achieved by means of a reinjection converter fed, via a single-phase transformer, from the triple frequency ripple signal. It is shown that the three-phase bridge can be made to operate effectively at any multiple of the six-pulse number and, thus, presents an effective alternative to the use of ac and dc side filters.

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