JPS544338A - Method of changing power sources of load without intermission - Google Patents

Method of changing power sources of load without intermission

Info

Publication number
JPS544338A
JPS544338A JP6822978A JP6822978A JPS544338A JP S544338 A JPS544338 A JP S544338A JP 6822978 A JP6822978 A JP 6822978A JP 6822978 A JP6822978 A JP 6822978A JP S544338 A JPS544338 A JP S544338A
Authority
JP
Japan
Prior art keywords
intermission
load
power sources
changing power
changing
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.)
Pending
Application number
JP6822978A
Other languages
Japanese (ja)
Inventor
Udobarudeirakosu Yanosu
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Siemens Corp filed Critical Siemens Corp
Publication of JPS544338A publication Critical patent/JPS544338A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J9/062—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 for AC powered loads
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Keying Circuit Devices (AREA)
JP6822978A 1977-06-06 1978-06-06 Method of changing power sources of load without intermission Pending JPS544338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772725539 DE2725539C2 (en) 1977-06-06 1977-06-06 Method for the interruptive switchover of a magnetic load between two AC voltage sources of the same frequency

Publications (1)

Publication Number Publication Date
JPS544338A true JPS544338A (en) 1979-01-13

Family

ID=6010875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6822978A Pending JPS544338A (en) 1977-06-06 1978-06-06 Method of changing power sources of load without intermission

Country Status (2)

Country Link
JP (1) JPS544338A (en)
DE (1) DE2725539C2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63137544U (en) * 1987-02-25 1988-09-09
JP2013009463A (en) * 2011-06-22 2013-01-10 Sanken Electric Co Ltd Switching method of uninterruptible power supply device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11081966B2 (en) * 2018-12-13 2021-08-03 Power Integrations, Inc. Multi zone secondary burst modulation for resonant converters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63137544U (en) * 1987-02-25 1988-09-09
JP2013009463A (en) * 2011-06-22 2013-01-10 Sanken Electric Co Ltd Switching method of uninterruptible power supply device

Also Published As

Publication number Publication date
DE2725539C2 (en) 1979-05-10
DE2725539B1 (en) 1978-09-07

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