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GB1203890A - Improvements in or relating to stabilised electrical power supply arrangements - Google Patents

Improvements in or relating to stabilised electrical power supply arrangements

Info

Publication number
GB1203890A
GB1203890A GB49398/68A GB4939868A GB1203890A GB 1203890 A GB1203890 A GB 1203890A GB 49398/68 A GB49398/68 A GB 49398/68A GB 4939868 A GB4939868 A GB 4939868A GB 1203890 A GB1203890 A GB 1203890A
Authority
GB
United Kingdom
Prior art keywords
terminals
battery
transistor
load
way
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
GB49398/68A
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of GB1203890A publication Critical patent/GB1203890A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • 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
    • H02J9/061—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 DC 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Dc-Dc Converters (AREA)

Abstract

1,203,890. Automatic voltage control. SIEMENS A. G. Oct.18, 1968 [Oct.20, 1967], No.49398/68. Heading G3R. [Also in Division H2] A stand-by power supply arrangement comprises a mains transformer Tr having its secondary winding connected by a rectifier bridge G which supplies load terminals by way of a first electronic switch, e.g. a transistor T1, and which charges a stand-by battery B by way of a second electronic switch, e.g. transistor T2; a switching signal applied at terminals 3, 4 controls transistor T1 so that the load voltage sensed at terminals 1, 2 is maintained constant, whilst a further switching signal applied at terminals 7, 8 and dependent upon the battery voltage as sensed at terminals 5, 6 controls transistor T2 so as to regulate the charging current to the battery which thus tends to be maintained in a fully charged state. Should the mains voltage drop substantially, or the mains supply fail, the battery B will supply the load by way of a diode D1, and the switching transistor T1 will maintain load voltage constant during battery operation. The supply arrangement includes an input smoothing capacitor C1 and an output smoothing filter L1, C2, D2; transistors T1 and T2 are preferably controlled at a high switching frequency, e.g. 20, 000 c.p.s.
GB49398/68A 1967-10-20 1968-10-18 Improvements in or relating to stabilised electrical power supply arrangements Expired GB1203890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1588793 1967-10-20

Publications (1)

Publication Number Publication Date
GB1203890A true GB1203890A (en) 1970-09-03

Family

ID=5679950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB49398/68A Expired GB1203890A (en) 1967-10-20 1968-10-18 Improvements in or relating to stabilised electrical power supply arrangements

Country Status (6)

Country Link
AT (1) AT284966B (en)
BE (1) BE722578A (en)
DE (1) DE1588793B1 (en)
FR (1) FR1588322A (en)
GB (1) GB1203890A (en)
SE (1) SE337853B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241394A (en) * 1990-02-23 1991-08-28 Plessey Telecomm Uninterruptible power supply system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0120146B1 (en) * 1983-03-28 1986-08-27 Van Rietschoten & Houwens Elektrotechnische Maatschappij B.V. An apparatus for emergency supply of an electrically driven tool

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251410B (en) * 1967-10-05
DE751828C (en) * 1936-10-07 1952-12-01 Faber Castell A W Device for transferring a division to workpieces with a feed device for the workpiece controlled by a light beam via a photocell
DE1463666B2 (en) * 1963-05-28 1972-03-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart CIRCUIT ARRANGEMENT FOR INDIVIDUALLY CONTROLLED SUPPLY OF PARALLEL CONNECTED CONSUMERS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241394A (en) * 1990-02-23 1991-08-28 Plessey Telecomm Uninterruptible power supply system

Also Published As

Publication number Publication date
DE1588793B1 (en) 1970-11-05
FR1588322A (en) 1970-04-10
BE722578A (en) 1969-04-18
AT284966B (en) 1970-10-12
SE337853B (en) 1971-08-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees