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Supply passive networks with VSC-HVDC
2001 Power Engineering Society Summer Meeting. Conference Proceedings (Cat. No.01CH37262), 2001In this paper, the steady-state model of the VSC-HVDC (voltage source converter based HVDC) system supplying a passive network has been developed. According to this model, the control strategy is presented. At the same time, the AC filter is designed based on analyzing the spectrum of the AC voltage generated by the VSC.
null Guibin Zhang +2 more
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Electrical Engineering, 2019
The trend in semiconductor developments has made the high-voltage direct current (HVDC) technologies based on voltage source converters feasible. This type of convertor has a number of potential advantages compared with “classic” HVDC, but deep analysis should be carried out before its integration in electric power system. In this paper, the results of
Ruslan Ufa +10 more
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The trend in semiconductor developments has made the high-voltage direct current (HVDC) technologies based on voltage source converters feasible. This type of convertor has a number of potential advantages compared with “classic” HVDC, but deep analysis should be carried out before its integration in electric power system. In this paper, the results of
Ruslan Ufa +10 more
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Serious fault identification for VSC-HVDC converters
2020 4th International Conference on HVDC (HVDC), 2020Voltage Source Converter-based High Voltage Direct Current systems are particularly prone to have IGBT valve short-circuit, AC single phase grounding fault and other types of serious fault. In this paper, for the five most common serious VSC faults of VSC-HVDC, a method to both protect against and identify these kinds of faults that can block a faulty ...
Xiaoyun Sun, Xin Gao, Shengchang Ji
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Potential interactions between VSC HVDC and STATCOM
2014 Power Systems Computation Conference, 2014This paper analyses the dynamic behaviour of a power system with both FACTS and VSC HVDC, in particular, possible potential interactions between a STATCOM and a VSC in a point-to-point HVDC link. The investigation considers different STATCOM locations and VSC control strategies.
Shen, L. +4 more
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Performance analysis of paralleled VSC-HVDC systems
2016 International Conference on Microelectronics, Computing and Communications (MicroCom), 2016This paper presents a detailed study of the VSC-HVDC system along with the related cases of paralleling two similar VSC-HVDC systems. A basic VSC-HVDC system is designed with controllers on either side of the system. The system is further expanded by connecting a similar VSC-HVDC system in parallel for enhancing the reliability.
Pruthvi. Y. Kalari, R. S. Geetha
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DC line protection for VSC-HVDC system
2012 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2012Voltage source converters based HVDC (VSC-HVDC) systems involving overhead transmission lines are prone to severe over-currents and over-voltages during dc line faults. This necessitates the operation of the system with some kind of protective devices to overcome the effects of dc line faults.
Wajid Ahmed, Premila Manohar
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Design and simulation of VSC-HVDC controller
2011 International Conference on Electrical and Control Engineering, 2011VSC-HVDC composed by full-controlled converter units is more flexible transmission schemes compared with traditional HVDC. It is necessary to study its control mode. This paper first analyzes the steady-state model of VSC-HVDC, then obtains the relationship among modulation wave phase δ, modulation degree m, active power and reactive power.
Gelan Zhu, Shouyun Zhao
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Genetic algorithm based control for VSC HVDC
2005 IEEE/PES Transmission & Distribution Conference & Exposition: Asia and Pacific, 2005VSC HVDC has a wide application prospect and it has many merits in contrast to conventional HVDC. The models of AC/DC hybrid power system with VSC HVDC are established in this paper. Utilizing the fast power flow adjustment ability of VSC HVDC, a novel control strategy stabilizing AC and DC system synthetically is proposed.
null Hu Zhaoqing +3 more
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Multi-level voltage reinjection VSC HVDC transmission
8th IEE International Conference on AC and DC Power Transmission (ACDC 2006), 2006The structure and control of a new voltage source based HVDC transmission link are described. The link uses multi-level voltage reinjection converters. It offers some advantages over PWM-VSC transmission in terms of switching efficiency and valve ratings, while providing similar levels of voltage and current waveform quality.
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Dynamic modeling of a VSC-HVDC converter
2013 48th International Universities' Power Engineering Conference (UPEC), 2013The aim of this paper is to present a nonlinear dynamic model for Voltage Source Converter-based HVDC (VSC-HVDC) links that can be used for dynamic studies. It includes the main physical elements and is controlled by PI controllers with antiwindup. A linear control model is derived for efficient tuning of the controllers of the nonlinear dynamic model.
Markus Imhof, Goran Andersson
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