FR602776A - Improvements to electrical control systems - Google Patents
Improvements to electrical control systemsInfo
- Publication number
- FR602776A FR602776A FR602776DA FR602776A FR 602776 A FR602776 A FR 602776A FR 602776D A FR602776D A FR 602776DA FR 602776 A FR602776 A FR 602776A
- Authority
- FR
- France
- Prior art keywords
- control systems
- electrical control
- electrical
- systems
- control
- 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
- H02P7/2825—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 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 |
---|---|---|---|
FR602776T | 1925-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR602776A true FR602776A (en) | 1926-03-26 |
Family
ID=8972225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR602776D Expired FR602776A (en) | 1925-08-31 | 1925-08-31 | Improvements to electrical control systems |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR602776A (en) |
-
1925
- 1925-08-31 FR FR602776D patent/FR602776A/en not_active Expired
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