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Electromagnetic modeling of LCC-HVDC
2020This chapter describes the electromagnetic transient (EMT) modeling of two-terminal line commutated converter-based high-voltage direct current (LCC-HVDC) transmission systems. The scope of the description is confined to modeling for the computation of EMTs associated with HVDC transmission systems using the widely spread EMT program-type method.
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Development of an Advanced LCC-HVDC Model for Transmission System
11th IET International Conference on AC and DC Power Transmission, 2015This paper describes an advanced LCC-HVDC model developed in PowerFactory for National Grid under the background of Western HVDC link in UK. Unlike most of the HVDC models in different simulation packages, this model explicitly incorporates the Automatic Filter Switching control and On-Load Tap Changer (OLTC) control.
null Ying Xue +4 more
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HPTE Extruded Cables Polarity Reversals Performance in LCC HVDC Systems
2020 AEIT International Annual Conference (AEIT), 2020The first part of the paper introduces the main operational differences, from a cable system perspective, between line commutated converter (LCC) and voltage source converter (VSC). As LCCs perform power reversal by inverting the DC voltage polarity, the general theory for cable insulation electrical stress calculation in this condition and the main ...
Marco Albertini +3 more
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Grid Frequency Control for LCC HVDC Link Connected Wind Farms
IECON 2007 - 33rd Annual Conference of the IEEE Industrial Electronics Society, 2007In this paper we consider the design for the offshore grid frequency control in a DFIG-based wind farm with LCC HVDC link connection. The control approach is based on using the grid frequency to regulate the HVDC DC-link current and hence control the power flow in the system.
R. Li, S. V. Bozhko, G. M. Asher
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Frequency Scan Based Stability Analysis of an LCC-HVdc System
2019 IEEE Canadian Conference of Electrical and Computer Engineering (CCECE), 2019Frequency scanning is a method for extracting the small-signal model of a power electronic system (PES) by injecting a wide-band signal in its time-domain simulation at steady state. This paper presents the stability analysis of the interactions between a Line Commutated Converter HVdc system (LCC-HVdc) and its ac grid using a frequency scanning ...
M. Shirinzad, M. K. Das, A. M. Gole
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Control of two LCC-HVDC interconnected through DC-DC autotransformer
12th IET International Conference on AC and DC Power Transmission (ACDC 2016), 2016This paper studies the power flow control of two LCC-HVDCs interconnected through DC-DC Autotransformer. The interconnecting scheme and its potential benefits are firstly summarized. Natural instability of using conventional LCC controller in the interconnected system is identified.
S. Lu, W. Lin, W. Yao, J. Wen
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LCC-HVDC Bipole System with MMC-Based DC Tapping Stations
2022Line Commutated Converter based High Voltage DC (LCC-HVDC) is the dominant technology of HVDC power transmission worldwide. LCC-HVDC has lower cost of implementation and lower power losses, accompanied by higher voltage capabilities and higher power levels, in comparison to Voltage Source Converter based HVDC (VSC-HVDC) technology. However, VSCHVDC has
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Harmonic Characteristics of LCC-HVDC under Unbalanced Conditions
2023 IEEE International Symposium on Circuits and Systems (ISCAS), 2023Liang Wang +3 more
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Artificial Intelligence based network strength estimation for LCC HVDC
2021 IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe), 2021Muhammad Kamran Moiz +1 more
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A Power Oscillation Damping Method for LCC-HVDC System
2021 IEEE 2nd China International Youth Conference on Electrical Engineering (CIYCEE), 2021Hanhang Yin +6 more
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