GB1203890A - Improvements in or relating to stabilised electrical power supply arrangements - Google Patents
Improvements in or relating to stabilised electrical power supply arrangementsInfo
- 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
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)
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 (de) |
BE (1) | BE722578A (de) |
DE (1) | DE1588793B1 (de) |
FR (1) | FR1588322A (de) |
GB (1) | GB1203890A (de) |
SE (1) | SE337853B (de) |
Cited By (1)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0120146B1 (de) * | 1983-03-28 | 1986-08-27 | Van Rietschoten & Houwens Elektrotechnische Maatschappij B.V. | Apparat zur Notstromversorgung eines elektrisch angetriebenen Werkzeuges |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1251410B (de) * | 1967-10-05 | |||
DE751828C (de) * | 1936-10-07 | 1952-12-01 | Faber Castell A W | Vorrichtung zum UEbertragen einer Teilung auf Werkstuecke mit einer durch einen Lichtstrahl ueber eine Photozelle gesteuerten Vorschubeinrichtung fuer das Werkstueck |
DE1463666B2 (de) * | 1963-05-28 | 1972-03-30 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zur individuell geregelten speisung parallelgeschalteter verbraucher |
-
1967
- 1967-10-20 DE DE19671588793D patent/DE1588793B1/de active Pending
-
1968
- 1968-10-09 FR FR1588322D patent/FR1588322A/fr not_active Expired
- 1968-10-17 SE SE14049/68A patent/SE337853B/xx unknown
- 1968-10-18 GB GB49398/68A patent/GB1203890A/en not_active Expired
- 1968-10-18 AT AT1021568A patent/AT284966B/de not_active IP Right Cessation
- 1968-10-18 BE BE722578D patent/BE722578A/xx unknown
Cited By (1)
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 |
---|---|
AT284966B (de) | 1970-10-12 |
BE722578A (de) | 1969-04-18 |
FR1588322A (de) | 1970-04-10 |
DE1588793B1 (de) | 1970-11-05 |
SE337853B (de) | 1971-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |