FR540843A - Speed regulating devices - Google Patents
Speed regulating devicesInfo
- Publication number
- FR540843A FR540843A FR540843DA FR540843A FR 540843 A FR540843 A FR 540843A FR 540843D A FR540843D A FR 540843DA FR 540843 A FR540843 A FR 540843A
- Authority
- FR
- France
- Prior art keywords
- speed regulating
- regulating devices
- devices
- speed
- regulating
- 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
- H02P7/26—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 discharge tubes
- H02P7/265—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 discharge tubes whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US540843XA | 1920-08-11 | 1920-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR540843A true FR540843A (en) | 1922-07-18 |
Family
ID=21988701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR540843D Expired FR540843A (en) | 1920-08-11 | 1921-08-10 | Speed regulating devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR540843A (en) |
-
1921
- 1921-08-10 FR FR540843D patent/FR540843A/en not_active Expired
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