JPS57145589A - Speed change control device for small-sized dc motor - Google Patents
Speed change control device for small-sized dc motorInfo
- Publication number
- JPS57145589A JPS57145589A JP56028745A JP2874581A JPS57145589A JP S57145589 A JPS57145589 A JP S57145589A JP 56028745 A JP56028745 A JP 56028745A JP 2874581 A JP2874581 A JP 2874581A JP S57145589 A JPS57145589 A JP S57145589A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- motor
- terminal
- change
- circuit
- 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.)
- Pending
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
- H02P7/285—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 armature supply only
- H02P7/2855—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 armature 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)
- Control Of Direct Current Motors (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56028745A JPS57145589A (en) | 1981-02-28 | 1981-02-28 | Speed change control device for small-sized dc motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56028745A JPS57145589A (en) | 1981-02-28 | 1981-02-28 | Speed change control device for small-sized dc motor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57145589A true JPS57145589A (en) | 1982-09-08 |
Family
ID=12256951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56028745A Pending JPS57145589A (en) | 1981-02-28 | 1981-02-28 | Speed change control device for small-sized dc motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57145589A (ja) |
-
1981
- 1981-02-28 JP JP56028745A patent/JPS57145589A/ja active Pending
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