FR1557907A - - Google Patents
Info
- Publication number
- FR1557907A FR1557907A FR1557907DA FR1557907A FR 1557907 A FR1557907 A FR 1557907A FR 1557907D A FR1557907D A FR 1557907DA FR 1557907 A FR1557907 A FR 1557907A
- Authority
- FR
- France
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/006—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage
- H02H11/007—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too high or too low voltage involving automatic switching for adapting the protected apparatus to the supply voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P4/00—Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR135378 | 1968-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1557907A true FR1557907A (fr) | 1969-02-21 |
Family
ID=8644327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1557907D Expired FR1557907A (fr) | 1968-01-09 | 1968-01-09 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1557907A (fr) |
-
1968
- 1968-01-09 FR FR1557907D patent/FR1557907A/fr not_active Expired
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |