FR1276307A - Method and device for determining and maintaining constant the ratio of rotational speeds of two electric drive motors - Google Patents
Method and device for determining and maintaining constant the ratio of rotational speeds of two electric drive motorsInfo
- Publication number
- FR1276307A FR1276307A FR847129A FR847129A FR1276307A FR 1276307 A FR1276307 A FR 1276307A FR 847129 A FR847129 A FR 847129A FR 847129 A FR847129 A FR 847129A FR 1276307 A FR1276307 A FR 1276307A
- Authority
- FR
- France
- Prior art keywords
- determining
- ratio
- electric drive
- drive motors
- rotational speeds
- 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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
- H02P5/52—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another additionally providing control of relative angular displacement
- H02P5/56—Speed and position comparison between the motors by electrical means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR847129A FR1276307A (en) | 1960-12-16 | 1960-12-16 | Method and device for determining and maintaining constant the ratio of rotational speeds of two electric drive motors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR847129A FR1276307A (en) | 1960-12-16 | 1960-12-16 | Method and device for determining and maintaining constant the ratio of rotational speeds of two electric drive motors |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1276307A true FR1276307A (en) | 1961-11-17 |
Family
ID=8744904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR847129A Expired FR1276307A (en) | 1960-12-16 | 1960-12-16 | Method and device for determining and maintaining constant the ratio of rotational speeds of two electric drive motors |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1276307A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2445651A1 (en) * | 1978-12-29 | 1980-07-25 | Harris Corp | DEVICE FOR CONTROLLING BELT DRIVE MOTORS IN A COIL PRINTING PRESS |
-
1960
- 1960-12-16 FR FR847129A patent/FR1276307A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2445651A1 (en) * | 1978-12-29 | 1980-07-25 | Harris Corp | DEVICE FOR CONTROLLING BELT DRIVE MOTORS IN A COIL PRINTING PRESS |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1276307A (en) | Method and device for determining and maintaining constant the ratio of rotational speeds of two electric drive motors | |
FR1256906A (en) | Soft support device for conveyor roller shaft | |
FR1195598A (en) | Constant speed winding method and device | |
FR1334729A (en) | Method and device for measuring the difference in rotational speeds of two or more elements driven by motors | |
FR1261722A (en) | Speed governor for rotating electrical machines and machine equipped with this governor or a similar governor | |
FR1261582A (en) | Device for regulating the speed of electric motors | |
BE600516A (en) | Method and device for balancing the rotor of electric machines | |
BE618112A (en) | Device for continuously changing the rotational speed of tools and other rotating bodies | |
FR1345234A (en) | Method and device for regulating rotational speeds | |
FR73790E (en) | Device for regulating the speed of DC motors | |
CH391414A (en) | Device for damping the rotational movement of a shaft | |
FR1262484A (en) | Device for adjusting the speed of rotation of electric motors | |
FR1347445A (en) | Device for maintaining the constant angular speed of a rotating member | |
FR1281899A (en) | Pulley with variable winding diameter for stepless adjustment of rotational speeds | |
FR1242606A (en) | Drive device for rotating machines | |
FR1275549A (en) | Speed regulating and regulating device for series commutator motors | |
CH369496A (en) | Device for adjusting the speed of pulling a cable in a stranding machine | |
FR1283649A (en) | Device for reversing the direction of rotation of three-phase motors | |
FR1289040A (en) | Device for adjusting the speed of rotation of electric motors | |
FR1194779A (en) | Braking device at standstill and soft start for electric motor or other | |
CA599278A (en) | Apparatus responsive to the speed of rotation of a shaft | |
FR1227057A (en) | Device for reversing the polarity or direction of rotation of direct current machines | |
FR1284342A (en) | Device for progressive regulation of rotation speeds | |
JPS51144808A (en) | Engine's vibration minimizing apparatus | |
CA592539A (en) | Apparatus for measuring rotational speeds or velocities |