Characteristic Investigation and Control of a Modular Multilevel Converter-Based HVDC System Under Single-Line-to-Ground Fault Conditions
This paper presents the analysis and control of a multilevel modular converter (MMC)-based HVDC transmission system under three possible single-line-to-ground fault conditions, with special focus on the investigation of their different fault characteristics. Considering positive-, negative-, and zer...
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Veröffentlicht in: | IEEE transactions on power electronics 2015-01, Vol.30 (1), p.408-421 |
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creator | Xiaojie Shi Zhiqiang Wang Bo Liu Yiqi Liu Tolbert, Leon M. Wang, Fred |
description | This paper presents the analysis and control of a multilevel modular converter (MMC)-based HVDC transmission system under three possible single-line-to-ground fault conditions, with special focus on the investigation of their different fault characteristics. Considering positive-, negative-, and zero-sequence components in both arm voltages and currents, the generalized instantaneous power of a phase unit is derived theoretically according to the equivalent circuit model of the MMC under unbalanced conditions. Based on this model, a novel double-line frequency dc-voltage ripple suppression control is proposed. This controller, together with the negative- and zero-sequence current control, could enhance the overall fault-tolerant capability of the HVDC system without additional cost. To further improve the fault-tolerant capability, the operation performance of the HVDC system with and without single-phase switching is discussed and compared in detail. Simulation results from a three-phase MMC-HVDC system generated with MATLAB/Simulink are provided to support the theoretical analysis and proposed control schemes. |
doi_str_mv | 10.1109/TPEL.2014.2323360 |
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Considering positive-, negative-, and zero-sequence components in both arm voltages and currents, the generalized instantaneous power of a phase unit is derived theoretically according to the equivalent circuit model of the MMC under unbalanced conditions. Based on this model, a novel double-line frequency dc-voltage ripple suppression control is proposed. This controller, together with the negative- and zero-sequence current control, could enhance the overall fault-tolerant capability of the HVDC system without additional cost. To further improve the fault-tolerant capability, the operation performance of the HVDC system with and without single-phase switching is discussed and compared in detail. Simulation results from a three-phase MMC-HVDC system generated with MATLAB/Simulink are provided to support the theoretical analysis and proposed control schemes.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2014.2323360</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Circuit faults ; Control systems ; Converters ; Current control ; Electric power transmission ; Electrical equipment ; Fault tolerance ; Faults ; Frequency control ; HVDC transmission ; Matlab ; Modular ; Multilevel ; Reactive power ; Simulation ; Switching ; Voltage ; Voltage control</subject><ispartof>IEEE transactions on power electronics, 2015-01, Vol.30 (1), p.408-421</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jan 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c435t-87e66388ae586f70b6200f9e30609add28456d0fcae45b16c9eb48f900af5dc43</citedby><cites>FETCH-LOGICAL-c435t-87e66388ae586f70b6200f9e30609add28456d0fcae45b16c9eb48f900af5dc43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6817578$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6817578$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Xiaojie Shi</creatorcontrib><creatorcontrib>Zhiqiang Wang</creatorcontrib><creatorcontrib>Bo Liu</creatorcontrib><creatorcontrib>Yiqi Liu</creatorcontrib><creatorcontrib>Tolbert, Leon M.</creatorcontrib><creatorcontrib>Wang, Fred</creatorcontrib><title>Characteristic Investigation and Control of a Modular Multilevel Converter-Based HVDC System Under Single-Line-to-Ground Fault Conditions</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>This paper presents the analysis and control of a multilevel modular converter (MMC)-based HVDC transmission system under three possible single-line-to-ground fault conditions, with special focus on the investigation of their different fault characteristics. Considering positive-, negative-, and zero-sequence components in both arm voltages and currents, the generalized instantaneous power of a phase unit is derived theoretically according to the equivalent circuit model of the MMC under unbalanced conditions. Based on this model, a novel double-line frequency dc-voltage ripple suppression control is proposed. This controller, together with the negative- and zero-sequence current control, could enhance the overall fault-tolerant capability of the HVDC system without additional cost. To further improve the fault-tolerant capability, the operation performance of the HVDC system with and without single-phase switching is discussed and compared in detail. Simulation results from a three-phase MMC-HVDC system generated with MATLAB/Simulink are provided to support the theoretical analysis and proposed control schemes.</description><subject>Circuit faults</subject><subject>Control systems</subject><subject>Converters</subject><subject>Current control</subject><subject>Electric power transmission</subject><subject>Electrical equipment</subject><subject>Fault tolerance</subject><subject>Faults</subject><subject>Frequency control</subject><subject>HVDC transmission</subject><subject>Matlab</subject><subject>Modular</subject><subject>Multilevel</subject><subject>Reactive power</subject><subject>Simulation</subject><subject>Switching</subject><subject>Voltage</subject><subject>Voltage control</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkU9rHCEYh6W0kG3aDxB6EXrpxY2Oo6PHdpp_sKGFJL2KO76TGlxNdWYhH6HfOg4bcsjJF3x-z6v8EDphdM0Y1ae3v88264aydt3whnNJ36EV0y0jlNHuPVpRpQRRWvMj9LGUB1pJQdkK_e__2myHCbIvkx_wVdxDHe7t5FPENjrcpzjlFHAascXXyc3BZnw9h8kH2ENY7veQq4D8sAUcvvzzs8c3T2WCHb6LDjK-8fE-ANn4CGRK5CKnuXrPbXUsaeeXXeUT-jDaUODzy3mM7s7PbvtLsvl1cdV_35Ch5WIiqgMpuVIWhJJjR7eyoXTUwKmk2jrXqFZIR8fBQiu2TA4atq0aNaV2FK46jtG3g_cxp39z_azZ-TJACDZCmothsmNCccVERb--QR_SnGN9nWFCaCWFZLJS7EANOZWSYTSP2e9sfjKMmqUcs5RjlnLMSzk18-WQ8QDwykvFOtEp_gzQbYvv</recordid><startdate>201501</startdate><enddate>201501</enddate><creator>Xiaojie Shi</creator><creator>Zhiqiang Wang</creator><creator>Bo Liu</creator><creator>Yiqi Liu</creator><creator>Tolbert, Leon M.</creator><creator>Wang, Fred</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Considering positive-, negative-, and zero-sequence components in both arm voltages and currents, the generalized instantaneous power of a phase unit is derived theoretically according to the equivalent circuit model of the MMC under unbalanced conditions. Based on this model, a novel double-line frequency dc-voltage ripple suppression control is proposed. This controller, together with the negative- and zero-sequence current control, could enhance the overall fault-tolerant capability of the HVDC system without additional cost. To further improve the fault-tolerant capability, the operation performance of the HVDC system with and without single-phase switching is discussed and compared in detail. 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subjects | Circuit faults Control systems Converters Current control Electric power transmission Electrical equipment Fault tolerance Faults Frequency control HVDC transmission Matlab Modular Multilevel Reactive power Simulation Switching Voltage Voltage control |
title | Characteristic Investigation and Control of a Modular Multilevel Converter-Based HVDC System Under Single-Line-to-Ground Fault Conditions |
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