JPS544338A - Method of changing power sources of load without intermission - Google Patents
Method of changing power sources of load without intermissionInfo
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772725539 DE2725539C2 (de) | 1977-06-06 | 1977-06-06 | Verfahren zur unterbrechenden Umschaltung eines magnetischen Verbrauchers zwischen zwei Wechselspannungsquellen gleicher Frequenz |
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 (ja) |
| DE (1) | DE2725539C2 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63137544U (ja) * | 1987-02-25 | 1988-09-09 | ||
| JP2013009463A (ja) * | 2011-06-22 | 2013-01-10 | Sanken Electric Co Ltd | 無停電電源装置の切換方法 |
Families Citing this family (1)
| 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 |
-
1977
- 1977-06-06 DE DE19772725539 patent/DE2725539C2/de not_active Expired
-
1978
- 1978-06-06 JP JP6822978A patent/JPS544338A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63137544U (ja) * | 1987-02-25 | 1988-09-09 | ||
| JP2013009463A (ja) * | 2011-06-22 | 2013-01-10 | Sanken Electric Co Ltd | 無停電電源装置の切換方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2725539C2 (de) | 1979-05-10 |
| DE2725539B1 (de) | 1978-09-07 |
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