GB201719220D0 - - Google Patents

Info

Publication number
GB201719220D0
GB201719220D0 GBGB1719220.4A GB201719220A GB201719220D0 GB 201719220 D0 GB201719220 D0 GB 201719220D0 GB 201719220 A GB201719220 A GB 201719220A GB 201719220 D0 GB201719220 D0 GB 201719220D0
Authority
GB
United Kingdom
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GBGB1719220.4A
Other versions
GB2566123A (en
GB2566123B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Sifang Automation Co Ltd
Original Assignee
Beijing Sifang Automation Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201611114463.6A external-priority patent/CN106505512B/en
Application filed by Beijing Sifang Automation Co Ltd filed Critical Beijing Sifang Automation Co Ltd
Publication of GB201719220D0 publication Critical patent/GB201719220D0/en
Publication of GB2566123A publication Critical patent/GB2566123A/en
Application granted granted Critical
Publication of GB2566123B publication Critical patent/GB2566123B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02H3/02—Details
    • H02H3/06—Details with automatic reconnection
    • H02H3/07—Details with automatic reconnection and with permanent disconnection after a predetermined number of reconnection cycles
    • 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
    • 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
    • H02H7/122—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 inverters, i.e. dc/ac converters
    • 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
GB1719220.4A 2016-12-07 2016-12-28 Tripping method applicable to situation that number of unlocking times exceeds limit since flexible DC control system has been temporarily locked Active GB2566123B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611114463.6A CN106505512B (en) 2016-12-07 2016-12-07 Number is unlocked after soft straight control system temporary blocking again to overflow trip method
PCT/CN2016/000717 WO2018102935A1 (en) 2016-12-07 2016-12-28 Method for performing a trip when the number of times for a flexible dc control system is temporarily locked and then unlocked again exceeds a threshold

Publications (3)

Publication Number Publication Date
GB201719220D0 true GB201719220D0 (en) 2018-01-03
GB2566123A GB2566123A (en) 2019-03-06
GB2566123B GB2566123B (en) 2022-10-19

Family

ID=83394725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1719220.4A Active GB2566123B (en) 2016-12-07 2016-12-28 Tripping method applicable to situation that number of unlocking times exceeds limit since flexible DC control system has been temporarily locked

Country Status (1)

Country Link
GB (1) GB2566123B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10910816B2 (en) * 2007-06-20 2021-02-02 S&C Electric Company Fault protection device with group trip delay and method
CN102299506B (en) * 2011-08-24 2014-10-29 中国电力科学研究院 Protection system and method thereof for modular multi-level converter
CN104269890B (en) * 2014-09-26 2016-04-20 华北电力大学 The control method of extra-high voltage direct-current layer-specific access mode and system
CN104393613B (en) * 2014-11-05 2017-04-12 南京南瑞继保电气有限公司 Direct current fault processing method and apparatus
CN105680421B (en) * 2014-11-17 2018-06-08 南京南瑞继保电气有限公司 A kind of modularization multi-level converter guard method
CN104865462B (en) * 2015-04-10 2018-11-13 南京南瑞继保电气有限公司 A kind of fault handling method and device
CN105576688B (en) * 2015-12-28 2020-07-07 国网辽宁省电力有限公司电力科学研究院 Control protection method of flexible direct current transmission system

Also Published As

Publication number Publication date
GB2566123A (en) 2019-03-06
GB2566123B (en) 2022-10-19

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