GB201707926D0 - Improvements to control of transformer-fed electrical power supplies - Google Patents

Improvements to control of transformer-fed electrical power supplies

Info

Publication number
GB201707926D0
GB201707926D0 GBGB1707926.0A GB201707926A GB201707926D0 GB 201707926 D0 GB201707926 D0 GB 201707926D0 GB 201707926 A GB201707926 A GB 201707926A GB 201707926 D0 GB201707926 D0 GB 201707926D0
Authority
GB
United Kingdom
Prior art keywords
transformer
control
electrical power
power supplies
fed electrical
Prior art date
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
GBGB1707926.0A
Other versions
GB2562511A (en
GB2562511C (en
GB2562511B (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.)
Baldwin & Francis Ltd
Original Assignee
Baldwin & Francis 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
Application filed by Baldwin & Francis Ltd filed Critical Baldwin & Francis Ltd
Priority to GB201707926A priority Critical patent/GB2562511C/en
Publication of GB201707926D0 publication Critical patent/GB201707926D0/en
Publication of GB2562511A publication Critical patent/GB2562511A/en
Application granted granted Critical
Publication of GB2562511B publication Critical patent/GB2562511B/en
Publication of GB2562511C publication Critical patent/GB2562511C/en
Expired - Fee Related 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
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
    • H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/04—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks
    • H02H1/043—Arrangements for preventing response to transient abnormal conditions, e.g. to lightning or to short duration over voltage or oscillations; Damping the influence of dc component by short circuits in ac networks to inrush currents
    • 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
    • H02H3/08—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 excess current
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB201707926A 2017-05-17 2017-05-17 Improvements to control of transformer-fed electrical power supplies Expired - Fee Related GB2562511C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201707926A GB2562511C (en) 2017-05-17 2017-05-17 Improvements to control of transformer-fed electrical power supplies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201707926A GB2562511C (en) 2017-05-17 2017-05-17 Improvements to control of transformer-fed electrical power supplies

Publications (4)

Publication Number Publication Date
GB201707926D0 true GB201707926D0 (en) 2017-06-28
GB2562511A GB2562511A (en) 2018-11-21
GB2562511B GB2562511B (en) 2019-11-06
GB2562511C GB2562511C (en) 2019-12-04

Family

ID=59201554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201707926A Expired - Fee Related GB2562511C (en) 2017-05-17 2017-05-17 Improvements to control of transformer-fed electrical power supplies

Country Status (1)

Country Link
GB (1) GB2562511C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110416964A (en) * 2019-07-23 2019-11-05 成都运达润泰信息科技有限公司 A kind of high-speed rail traction power supply arm end short circuit and overload discriminating method
CN114583694A (en) * 2022-03-09 2022-06-03 四川大学 Black start and coordination recovery method for receiving-end power grid based on mixed direct current

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2026265B (en) * 1978-07-19 1982-08-11 Marconi Co Ltd Ac Power supply systems
JP5942320B2 (en) * 2012-07-30 2016-06-29 パナソニックＩｐマネジメント株式会社 Power supply

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110416964A (en) * 2019-07-23 2019-11-05 成都运达润泰信息科技有限公司 A kind of high-speed rail traction power supply arm end short circuit and overload discriminating method
CN114583694A (en) * 2022-03-09 2022-06-03 四川大学 Black start and coordination recovery method for receiving-end power grid based on mixed direct current
CN114583694B (en) * 2022-03-09 2023-04-21 四川大学 Hybrid direct current-based black start and coordination recovery method for receiving end power grid

Also Published As

Publication number Publication date
GB2562511A (en) 2018-11-21
GB2562511C (en) 2019-12-04
GB2562511B (en) 2019-11-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210517