JPS649833B2 - - Google Patents
Info
- Publication number
- JPS649833B2 JPS649833B2 JP58159273A JP15927383A JPS649833B2 JP S649833 B2 JPS649833 B2 JP S649833B2 JP 58159273 A JP58159273 A JP 58159273A JP 15927383 A JP15927383 A JP 15927383A JP S649833 B2 JPS649833 B2 JP S649833B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- rolling
- value
- limit value
- 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
- 238000005096 rolling process Methods 0.000 claims description 102
- 230000009467 reduction Effects 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
-
- 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)
- Mechanical Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Control Of Metal Rolling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58159273A JPS6051486A (ja) | 1983-08-31 | 1983-08-31 | 圧延機駆動用電動機の制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58159273A JPS6051486A (ja) | 1983-08-31 | 1983-08-31 | 圧延機駆動用電動機の制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6051486A JPS6051486A (ja) | 1985-03-22 |
| JPS649833B2 true JPS649833B2 (enrdf_load_stackoverflow) | 1989-02-20 |
Family
ID=15690174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58159273A Granted JPS6051486A (ja) | 1983-08-31 | 1983-08-31 | 圧延機駆動用電動機の制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6051486A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100874084B1 (ko) | 2007-01-04 | 2008-12-15 | 현대제철 주식회사 | 모터전류 모니터링시스템 및 그 방법 |
-
1983
- 1983-08-31 JP JP58159273A patent/JPS6051486A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6051486A (ja) | 1985-03-22 |