GB2050725B - Power supply changeover unit - Google Patents
Power supply changeover unitInfo
- 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
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)
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)
| 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 |
-
1980
- 1980-05-08 GB GB8015264A patent/GB2050725B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2050725A (en) | 1981-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |