CH564874A5 - - Google Patents
Info
- Publication number
- CH564874A5 CH564874A5 CH273A CH273A CH564874A5 CH 564874 A5 CH564874 A5 CH 564874A5 CH 273 A CH273 A CH 273A CH 273 A CH273 A CH 273A CH 564874 A5 CH564874 A5 CH 564874A5
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Protection Of Generators And Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21810572A | 1972-01-17 | 1972-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH564874A5 true CH564874A5 (he) | 1975-07-31 |
Family
ID=22813769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH273A CH564874A5 (he) | 1972-01-17 | 1973-01-03 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3713002A (he) |
| JP (1) | JPS4886001A (he) |
| AR (1) | AR193310A1 (he) |
| BE (1) | BE794082A (he) |
| BR (1) | BR7209267D0 (he) |
| CA (1) | CA967214A (he) |
| CH (1) | CH564874A5 (he) |
| DE (1) | DE2301132A1 (he) |
| ES (1) | ES410388A1 (he) |
| FR (1) | FR2168426A1 (he) |
| GB (1) | GB1413833A (he) |
| IT (1) | IT978148B (he) |
| SE (1) | SE382141B (he) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3867657A (en) * | 1974-03-29 | 1975-02-18 | Westinghouse Electric Corp | Generator having shielded current transformers positioned therein |
| DE102015200742A1 (de) * | 2015-01-20 | 2016-07-21 | Zf Friedrichshafen Ag | Steuerung einer Drehfeldmaschine |
-
0
- BE BE794082D patent/BE794082A/xx unknown
-
1972
- 1972-01-17 US US00218105A patent/US3713002A/en not_active Expired - Lifetime
- 1972-12-18 CA CA159,305A patent/CA967214A/en not_active Expired
- 1972-12-18 GB GB5832972A patent/GB1413833A/en not_active Expired
- 1972-12-29 BR BR9267/72A patent/BR7209267D0/pt unknown
-
1973
- 1973-01-03 CH CH273A patent/CH564874A5/xx not_active IP Right Cessation
- 1973-01-05 ES ES410388A patent/ES410388A1/es not_active Expired
- 1973-01-09 AR AR246044A patent/AR193310A1/es active
- 1973-01-11 DE DE2301132A patent/DE2301132A1/de active Pending
- 1973-01-15 IT IT19200/73A patent/IT978148B/it active
- 1973-01-17 JP JP48007127A patent/JPS4886001A/ja active Pending
- 1973-01-17 FR FR7301558A patent/FR2168426A1/fr not_active Withdrawn
- 1973-01-17 SE SE7300655A patent/SE382141B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT978148B (it) | 1974-09-20 |
| US3713002A (en) | 1973-01-23 |
| GB1413833A (en) | 1975-11-12 |
| ES410388A1 (es) | 1975-12-16 |
| AR193310A1 (es) | 1973-04-11 |
| BR7209267D0 (pt) | 1973-10-25 |
| SE382141B (sv) | 1976-01-12 |
| CA967214A (en) | 1975-05-06 |
| DE2301132A1 (de) | 1973-07-19 |
| JPS4886001A (he) | 1973-11-14 |
| BE794082A (fr) | 1973-07-16 |
| FR2168426A1 (he) | 1973-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |