GB2050725B - Power supply changeover unit - Google Patents

Power supply changeover unit

Info

Publication number
GB2050725B
GB2050725B GB8015264A GB8015264A GB2050725B GB 2050725 B GB2050725 B GB 2050725B GB 8015264 A GB8015264 A GB 8015264A GB 8015264 A GB8015264 A GB 8015264A GB 2050725 B GB2050725 B GB 2050725B
Authority
GB
United Kingdom
Prior art keywords
power supply
supply changeover
changeover unit
unit
power
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.)
Expired
Application number
GB8015264A
Other versions
GB2050725A (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.)
Ships Electronic Services Ltd
Original Assignee
Ships Electronic Services 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 Ships Electronic Services Ltd filed Critical Ships Electronic Services Ltd
Priority to GB8015264A priority Critical patent/GB2050725B/en
Publication of GB2050725A publication Critical patent/GB2050725A/en
Application granted granted Critical
Publication of GB2050725B publication Critical patent/GB2050725B/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
    • H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
    • H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Stand-By Power Supply Arrangements (AREA)
GB8015264A 1979-05-10 1980-05-08 Power supply changeover unit Expired GB2050725B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8015264A GB2050725B (en) 1979-05-10 1980-05-08 Power supply changeover unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7916325 1979-05-10
GB8015264A GB2050725B (en) 1979-05-10 1980-05-08 Power supply changeover unit

Publications (2)

Publication Number Publication Date
GB2050725A GB2050725A (en) 1981-01-07
GB2050725B true GB2050725B (en) 1983-03-23

Family

ID=26271475

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8015264A Expired GB2050725B (en) 1979-05-10 1980-05-08 Power supply changeover unit

Country Status (1)

Country Link
GB (1) GB2050725B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6443686A (en) * 1987-08-07 1989-02-15 Yoshida Kogyo Kk Drive for automatic door
FR2653947A1 (en) * 1989-10-30 1991-05-03 Silvestrini Franck Device for triggering the automatic opening of a closing system actuated by at least one electric motor
WO1995034933A1 (en) * 1994-06-16 1995-12-21 Elin Energieanwendung Gmbh Device for switching between two power supplies

Also Published As

Publication number Publication date
GB2050725A (en) 1981-01-07

Similar Documents

Publication Publication Date Title
DE3067177D1 (en) Portable power supply unit
GB2047794B (en) Power unit
JPS5642815A (en) Power supply device
GB2050084B (en) Power supply apparatus
JPS55153235A (en) Noobreak power supply device
JPS5641731A (en) Power source unit
GB8324393D0 (en) Power supply arrangement
GB2050725B (en) Power supply changeover unit
JPS55166438A (en) Reactive power supply device
JPS55131234A (en) Dc power supply unit
JPS5622539A (en) Power supply unit
JPS55133626A (en) Dc power supply
GB2065391B (en) Power supply system
JPS55117431A (en) Power supply system
JPS5641729A (en) Power source unit
JPS55131235A (en) Dc power supply unit
JPS55162818A (en) Power supply device
JPS5641727A (en) Power source unit
JPS55117439A (en) Reactive power supply device
JPS55128299A (en) Power supply
JPS55127843A (en) Power supply
JPS55127842A (en) Power supply
JPS5658744A (en) Reactive power supply
JPS5694932A (en) Double power supply system
JPS5671434A (en) Power supply system

Legal Events

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