BE713079A - - Google Patents
Info
- Publication number
- BE713079A BE713079A BE713079DA BE713079A BE 713079 A BE713079 A BE 713079A BE 713079D A BE713079D A BE 713079DA BE 713079 A BE713079 A BE 713079A
- Authority
- BE
- Belgium
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
- H02P7/29—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 using pulse modulation
- H02P7/2913—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 using pulse modulation 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 Multiple Motors (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63299867A | 1967-04-24 | 1967-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE713079A true BE713079A (xx) | 1968-08-16 |
Family
ID=24537859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE713079D BE713079A (xx) | 1967-04-24 | 1968-04-01 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3493834A (xx) |
| BE (1) | BE713079A (xx) |
| ES (1) | ES352123A1 (xx) |
| FR (1) | FR1559368A (xx) |
| NL (1) | NL6805331A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5541116B2 (xx) * | 1972-07-31 | 1980-10-22 | ||
| JPS5542596B2 (xx) * | 1972-08-14 | 1980-10-31 | ||
| US4105935A (en) * | 1975-10-22 | 1978-08-08 | Matsushita Electric Industrial Co., Ltd. | Motor speed control apparatus |
| GB1533597A (en) * | 1976-03-18 | 1978-11-29 | Plessey Co Ltd | Frequency-comparing devices |
| US4307324A (en) * | 1980-03-25 | 1981-12-22 | Fairchild Camera And Instrument Corp. | Phase locked loop motor speed control |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3176208A (en) * | 1962-07-02 | 1965-03-30 | North American Aviation Inc | Phase locking control device |
| US3331006A (en) * | 1964-03-13 | 1967-07-11 | Cutler Hammer Inc | Digital speed and position regulating motor control system |
-
1967
- 1967-04-24 US US632998A patent/US3493834A/en not_active Expired - Lifetime
-
1968
- 1968-03-21 FR FR1559368D patent/FR1559368A/fr not_active Expired
- 1968-03-29 ES ES352123A patent/ES352123A1/es not_active Expired
- 1968-04-01 BE BE713079D patent/BE713079A/xx unknown
- 1968-04-16 NL NL6805331A patent/NL6805331A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES352123A1 (es) | 1969-07-01 |
| US3493834A (en) | 1970-02-03 |
| NL6805331A (xx) | 1968-10-25 |
| FR1559368A (xx) | 1969-03-07 |