JPH0127678B2 - - Google Patents
Info
- Publication number
- JPH0127678B2 JPH0127678B2 JP56041061A JP4106181A JPH0127678B2 JP H0127678 B2 JPH0127678 B2 JP H0127678B2 JP 56041061 A JP56041061 A JP 56041061A JP 4106181 A JP4106181 A JP 4106181A JP H0127678 B2 JPH0127678 B2 JP H0127678B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- reactor
- adjusting
- drive motor
- roll
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/008—Skew rolling stands, e.g. for rolling rounds
-
- 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
- H02P7/281—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 the DC motor being operated in four quadrants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/46—Roll speed or drive motor control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Multiple Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56041061A JPS57156695A (en) | 1981-03-20 | 1981-03-20 | Controller for dc motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56041061A JPS57156695A (en) | 1981-03-20 | 1981-03-20 | Controller for dc motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57156695A JPS57156695A (en) | 1982-09-28 |
| JPH0127678B2 true JPH0127678B2 (cs) | 1989-05-30 |
Family
ID=12597902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56041061A Granted JPS57156695A (en) | 1981-03-20 | 1981-03-20 | Controller for dc motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57156695A (cs) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5634550Y2 (cs) * | 1976-09-02 | 1981-08-14 |
-
1981
- 1981-03-20 JP JP56041061A patent/JPS57156695A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57156695A (en) | 1982-09-28 |
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