FR695605A - Improvements to DC motors with variable speed - Google Patents
Improvements to DC motors with variable speedInfo
- Publication number
- FR695605A FR695605A FR695605DA FR695605A FR 695605 A FR695605 A FR 695605A FR 695605D A FR695605D A FR 695605DA FR 695605 A FR695605 A FR 695605A
- Authority
- FR
- France
- Prior art keywords
- motors
- variable speed
- variable
- speed
- 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
- H02P7/24—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 discharge tubes or semiconductor devices
- H02P7/28—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 discharge tubes or semiconductor devices using semiconductor devices
- H02P7/282—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 discharge tubes or semiconductor devices using semiconductor devices controlling field supply only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR695605T | 1930-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR695605A true FR695605A (en) | 1930-12-18 |
Family
ID=9046190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR695605D Expired FR695605A (en) | 1930-05-14 | 1930-05-14 | Improvements to DC motors with variable speed |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR695605A (en) |
-
1930
- 1930-05-14 FR FR695605D patent/FR695605A/en not_active Expired
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