GB2520418B - Power switching apparatus & method - Google Patents

Power switching apparatus & method

Info

Publication number
GB2520418B
GB2520418B GB1418359.4A GB201418359A GB2520418B GB 2520418 B GB2520418 B GB 2520418B GB 201418359 A GB201418359 A GB 201418359A GB 2520418 B GB2520418 B GB 2520418B
Authority
GB
United Kingdom
Prior art keywords
power switching
switching apparatus
power
switching
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.)
Active
Application number
GB1418359.4A
Other versions
GB201418359D0 (en
GB2520418A (en
Inventor
Daniels Alan
Stone Angus
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.)
P4 Ltd
Original Assignee
P4 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 P4 Ltd filed Critical P4 Ltd
Publication of GB201418359D0 publication Critical patent/GB201418359D0/en
Publication of GB2520418A publication Critical patent/GB2520418A/en
Application granted granted Critical
Publication of GB2520418B publication Critical patent/GB2520418B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J3/005—
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • 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
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Direct Current Feeding And Distribution (AREA)
GB1418359.4A 2013-10-17 2014-10-16 Power switching apparatus & method Active GB2520418B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1318391.8A GB201318391D0 (en) 2013-10-17 2013-10-17 Power Switching Apparatus & Method

Publications (3)

Publication Number Publication Date
GB201418359D0 GB201418359D0 (en) 2014-12-03
GB2520418A GB2520418A (en) 2015-05-20
GB2520418B true GB2520418B (en) 2016-11-02

Family

ID=49726945

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1318391.8A Ceased GB201318391D0 (en) 2013-10-17 2013-10-17 Power Switching Apparatus & Method
GB1418359.4A Active GB2520418B (en) 2013-10-17 2014-10-16 Power switching apparatus & method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1318391.8A Ceased GB201318391D0 (en) 2013-10-17 2013-10-17 Power Switching Apparatus & Method

Country Status (1)

Country Link
GB (2) GB201318391D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113608145B (en) * 2021-07-14 2023-04-11 厦门科华数能科技有限公司 Multi-path photovoltaic module ground fault detection device and detection method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020145339A1 (en) * 2001-04-06 2002-10-10 Liu Chu-Kuang Power supply system with AC redundant power sources and DC redundant power supplies
US20040070278A1 (en) * 2002-10-15 2004-04-15 Divan Deepakraj M. Dual feed power supply systems with enhanced power quality
US20040262997A1 (en) * 2003-06-27 2004-12-30 Philip Gull Backup power management system and method of operating the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020145339A1 (en) * 2001-04-06 2002-10-10 Liu Chu-Kuang Power supply system with AC redundant power sources and DC redundant power supplies
US20040070278A1 (en) * 2002-10-15 2004-04-15 Divan Deepakraj M. Dual feed power supply systems with enhanced power quality
US20040262997A1 (en) * 2003-06-27 2004-12-30 Philip Gull Backup power management system and method of operating the same

Also Published As

Publication number Publication date
GB201418359D0 (en) 2014-12-03
GB201318391D0 (en) 2013-12-04
GB2520418A (en) 2015-05-20

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