JP2020520210A - フレキシブルdc変換所における障害スイッチ構造および復旧方法 - Google Patents
フレキシブルdc変換所における障害スイッチ構造および復旧方法 Download PDFInfo
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- JP2020520210A JP2020520210A JP2019551432A JP2019551432A JP2020520210A JP 2020520210 A JP2020520210 A JP 2020520210A JP 2019551432 A JP2019551432 A JP 2019551432A JP 2019551432 A JP2019551432 A JP 2019551432A JP 2020520210 A JP2020520210 A JP 2020520210A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
- H02H3/162—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass for ac systems
- H02H3/165—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass for ac systems for three-phase systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/062—Avoiding or suppressing excessive transient voltages or currents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rectifiers (AREA)
- Direct Current Feeding And Distribution (AREA)
- Emergency Protection Circuit Devices (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
1)変換所内で障害が発生すると、保護系統によって障害相および非障害相を認識し、
2)時間t1で非障害相バルブ側スイッチ(QF2)作動命令を送信し、
3)時間t2でグリッド側スイッチ(QF1)作動命令を送信し、
4)t1とt2の関係はt1≦t2であり、
5)グリッド側スイッチ(QF1)の作動後、時間間隔Δtをおいてから障害相バルブ側スイッチ(QF2)作動命令を送信することを含む。
Claims (5)
- フレキシブルDC変換所における障害スイッチ構造および復旧方法であって、フレキシブルDC変換所はそれぞれグリッド側スイッチ(QF1)およびバルブ側分相スイッチ(QF2)を用いて構成され、前記変換所内で障害が発生した場合、まずはバルブ側の非障害相スイッチを作動し、次いで前記グリッド側スイッチを作動し、前記変換所内の障害の復旧を実行し、該復旧方法は具体的に、
前記変換所内で障害が発生すると、保護系統によって障害相および非障害相を認識し、
時間t1で非障害相バルブ側スイッチ(QF2)作動命令を送信し、時間t2でグリッド側スイッチ(QF1)作動命令を送信し、ここでt1とt2の関係はt1≦t2であり、
前記グリッド側スイッチ(QF1)の作動後、時間間隔Δtを経てから障害相バルブ側スイッチ(QF2)作動命令を送信することを特徴とする構造および復旧方法。 - 請求項1に記載のフレキシブルDC変換所における障害スイッチ構造および復旧方法において、前記障害相は差動保護を用いて検出され、または、前記障害相は前記バルブ側の低電圧過電流に従って判定されることを特徴とする構造および復旧方法。
- 請求項1に記載のフレキシブルDC変換所における障害スイッチ構造および復旧方法において、t1の値は0ないし10秒の範囲にあり、t2の値は0ないし15秒の範囲にあり、前記時間間隔Δtは0ないし∞の範囲にあることを特徴とする構造および復旧方法。
- 請求項1に記載のフレキシブルDC変換所における障害スイッチ構造および復旧方法において、前記バルブ側スイッチ(QF2)は、分相スイッチを用いることを特徴とする構造および復旧方法。
- 請求項1に記載のフレキシブルDC変換所における障害スイッチ構造および復旧方法において、前記変換所の障害は、変圧器の二次側、極母線および中性母線の間にある領域内での障害であることを特徴とする構造および復旧方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201710406486.2 | 2017-06-02 | ||
CN201710406486.2A CN107093890B (zh) | 2017-06-02 | 2017-06-02 | 一种柔性直流换流站内故障开关配置及清除方法 |
PCT/CN2018/087791 WO2018219174A1 (zh) | 2017-06-02 | 2018-05-22 | 一种柔性直流换流站内故障开关配置及清除方法 |
Publications (2)
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JP2020520210A true JP2020520210A (ja) | 2020-07-02 |
JP6784850B2 JP6784850B2 (ja) | 2020-11-11 |
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JP2019551432A Active JP6784850B2 (ja) | 2017-06-02 | 2018-05-22 | フレキシブルdc変換所における障害スイッチ構造および復旧方法 |
Country Status (11)
Country | Link |
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US (1) | US10923906B2 (ja) |
EP (1) | EP3595116B1 (ja) |
JP (1) | JP6784850B2 (ja) |
KR (1) | KR102124287B1 (ja) |
CN (1) | CN107093890B (ja) |
BR (1) | BR112019024168A2 (ja) |
CA (1) | CA3060024C (ja) |
DK (1) | DK3595116T3 (ja) |
MX (1) | MX2019013245A (ja) |
RU (1) | RU2718619C1 (ja) |
WO (1) | WO2018219174A1 (ja) |
Families Citing this family (16)
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CN107093890B (zh) * | 2017-06-02 | 2019-03-08 | 南京南瑞继保电气有限公司 | 一种柔性直流换流站内故障开关配置及清除方法 |
CN109672150A (zh) * | 2017-10-13 | 2019-04-23 | 贵州电网有限责任公司电力调度控制中心 | 适用于双极系统换流阀侧交流区故障的清除方法及装置 |
CN110672972B (zh) * | 2019-09-09 | 2021-05-04 | 华北电力大学 | 一种柔性直流配电网络故障定位和隔离方法 |
CN111276942B (zh) * | 2020-03-26 | 2022-05-10 | 特变电工西安柔性输配电有限公司 | 一种用于海上风电柔直送出系统的桥臂电流应力降低方法 |
CN113949042A (zh) * | 2020-07-17 | 2022-01-18 | 中国南方电网有限责任公司超高压输电公司 | 一种特高压直流阀组和故障阀组隔离方法 |
CN112054490B (zh) * | 2020-08-11 | 2022-12-06 | 南方电网科学研究院有限责任公司 | 多端直流单极金属运行方式下第三站故障退出方法及装置 |
CN111934285A (zh) * | 2020-09-10 | 2020-11-13 | 桂林五环电器制造有限公司 | 一种干式空心电抗器匝间短路保护方法和装置 |
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CN112701655A (zh) * | 2020-12-23 | 2021-04-23 | 上海科梁信息工程股份有限公司 | 直流输电系统中重合闸和启动控制方法、设备及存储介质 |
CN112838610B (zh) * | 2021-01-17 | 2023-12-15 | 昆明理工大学 | 一种基于二端口网络考虑中性点电流的mmc换流站接地故障分析方法 |
CN112886556B (zh) * | 2021-03-04 | 2022-12-16 | 中国南方电网有限责任公司 | 柔性直流输电交流连接线区单相接地故障控制保护方法 |
CN113013860B (zh) * | 2021-03-29 | 2024-02-06 | 西安西电电力系统有限公司 | 换流阀过电压抑制方法及装置 |
CN113988648A (zh) * | 2021-10-29 | 2022-01-28 | 广东电网有限责任公司 | 一种风电柔直系统风险值的计算方法及装置 |
CN114362230B (zh) * | 2021-12-09 | 2024-05-07 | 南方电网科学研究院有限责任公司 | 共用接地装置的多变压器并联柔直换流站及其投切方法 |
CN114552546B (zh) * | 2022-03-04 | 2023-08-15 | 广东电网有限责任公司广州供电局 | 应用于柔性直流输电系统的跨站跳闸方法、系统、设备及介质 |
CN115133502B (zh) * | 2022-06-22 | 2023-09-29 | 上海勘测设计研究院有限公司 | 一种储能电站交流母线故障切除方法 |
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KR102124287B1 (ko) | 2020-06-17 |
MX2019013245A (es) | 2020-01-27 |
CN107093890B (zh) | 2019-03-08 |
EP3595116A1 (en) | 2020-01-15 |
EP3595116A4 (en) | 2020-12-16 |
US10923906B2 (en) | 2021-02-16 |
EP3595116B1 (en) | 2022-10-05 |
CA3060024A1 (en) | 2018-12-06 |
US20200220349A1 (en) | 2020-07-09 |
KR20190107173A (ko) | 2019-09-18 |
RU2718619C1 (ru) | 2020-04-09 |
BR112019024168A2 (pt) | 2020-06-02 |
WO2018219174A1 (zh) | 2018-12-06 |
JP6784850B2 (ja) | 2020-11-11 |
DK3595116T3 (da) | 2023-01-09 |
CA3060024C (en) | 2020-08-25 |
CN107093890A (zh) | 2017-08-25 |
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