FR875843A - Improvements made to the electric operation of winches, in particular for lifting trawls - Google Patents
Improvements made to the electric operation of winches, in particular for lifting trawlsInfo
- Publication number
- FR875843A FR875843A FR875843DA FR875843A FR 875843 A FR875843 A FR 875843A FR 875843D A FR875843D A FR 875843DA FR 875843 A FR875843 A FR 875843A
- Authority
- FR
- France
- Prior art keywords
- trawls
- winches
- lifting
- improvements made
- electric operation
- 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.)
- Expired
Links
Classifications
-
- 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
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/34—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR875843T | 1941-05-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR875843A true FR875843A (en) | 1942-10-06 |
Family
ID=9360340
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR875843D Expired FR875843A (en) | 1941-05-30 | 1941-05-30 | Improvements made to the electric operation of winches, in particular for lifting trawls |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR875843A (en) |
-
1941
- 1941-05-30 FR FR875843D patent/FR875843A/en not_active Expired
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