CH591773A5 - - Google Patents
Info
- Publication number
- CH591773A5 CH591773A5 CH1219175A CH1219175A CH591773A5 CH 591773 A5 CH591773 A5 CH 591773A5 CH 1219175 A CH1219175 A CH 1219175A CH 1219175 A CH1219175 A CH 1219175A CH 591773 A5 CH591773 A5 CH 591773A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/36—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points of different systems, e.g. of parallel feeder systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
- H02H7/062—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors for parallel connected generators
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- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Protection Of Generators And Motors (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2451098A DE2451098C3 (de) | 1974-10-28 | 1974-10-28 | Einrichtung zur Überwachung von zwei parallel arbeitenden Leistungsaggregaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH591773A5 true CH591773A5 (US07794700-20100914-C00152.png) | 1977-09-30 |
Family
ID=5929340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1219175A CH591773A5 (US07794700-20100914-C00152.png) | 1974-10-28 | 1975-09-19 |
Country Status (9)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4164661A (en) * | 1978-01-09 | 1979-08-14 | Sundstrand Corporation | Load sharing system |
| JPS61254026A (ja) * | 1985-04-30 | 1986-11-11 | 三菱電機株式会社 | 交流出力変換装置の並列運転制御装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE552331C (de) * | 1929-01-21 | 1932-06-11 | Bbc Brown Boveri & Cie | Einrichtung zum Selektivschutz fuer parallel an eine gemeinsame Leitung angeschlossene, mit Nullpunkten versehene Wicklungen |
| US3294978A (en) * | 1963-02-06 | 1966-12-27 | Westinghouse Electric Corp | Unbalanced current protection apparatus for parallel generator systems |
| JPS4858279A (US07794700-20100914-C00152.png) * | 1971-11-19 | 1973-08-15 |
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1974
- 1974-10-28 DE DE2451098A patent/DE2451098C3/de not_active Expired
-
1975
- 1975-07-14 AT AT541475A patent/AT341043B/de not_active IP Right Cessation
- 1975-07-31 NL NL7509139A patent/NL7509139A/xx not_active Application Discontinuation
- 1975-09-19 CH CH1219175A patent/CH591773A5/xx not_active IP Right Cessation
- 1975-10-16 IT IT28328/75A patent/IT1043403B/it active
- 1975-10-16 BE BE160990A patent/BE834573A/xx unknown
- 1975-10-24 FR FR7532670A patent/FR2289916A1/fr not_active Withdrawn
- 1975-10-27 SE SE7511989A patent/SE405300B/xx unknown
- 1975-10-27 JP JP50129171A patent/JPS5166459A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE834573A (fr) | 1976-02-16 |
| DE2451098A1 (de) | 1976-05-13 |
| SE7511989L (sv) | 1976-04-29 |
| DE2451098B2 (de) | 1977-07-28 |
| DE2451098C3 (de) | 1978-03-09 |
| NL7509139A (nl) | 1976-05-03 |
| AT341043B (de) | 1978-01-10 |
| SE405300B (sv) | 1978-11-27 |
| IT1043403B (it) | 1980-02-20 |
| JPS5166459A (en) | 1976-06-09 |
| FR2289916A1 (fr) | 1976-05-28 |
| ATA541475A (de) | 1977-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |