CH89137A - Procedure for protecting electrical systems against overvoltages. - Google Patents
Procedure for protecting electrical systems against overvoltages.Info
- Publication number
- CH89137A CH89137A CH89137DA CH89137A CH 89137 A CH89137 A CH 89137A CH 89137D A CH89137D A CH 89137DA CH 89137 A CH89137 A CH 89137A
- Authority
- CH
- Switzerland
- Prior art keywords
- procedure
- electrical systems
- protecting electrical
- against overvoltages
- systems against
- Prior art date
Links
Classifications
-
- 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
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH534591X | 1920-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH89137A true CH89137A (en) | 1921-05-02 |
Family
ID=4518681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH89137D CH89137A (en) | 1920-05-07 | 1920-05-07 | Procedure for protecting electrical systems against overvoltages. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH89137A (en) |
FR (1) | FR534591A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1464973B1 (en) * | 2003-03-31 | 2015-07-01 | Megger Sweden AB | Methods and apparatus for analyzing high voltage circuit breakers |
-
1920
- 1920-05-07 CH CH89137D patent/CH89137A/en unknown
-
1921
- 1921-04-25 FR FR534591D patent/FR534591A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1464973B1 (en) * | 2003-03-31 | 2015-07-01 | Megger Sweden AB | Methods and apparatus for analyzing high voltage circuit breakers |
Also Published As
Publication number | Publication date |
---|---|
FR534591A (en) | 1922-03-29 |
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