RO61026A - - Google Patents
Info
- Publication number
- RO61026A RO61026A RO7352673A RO7352673A RO61026A RO 61026 A RO61026 A RO 61026A RO 7352673 A RO7352673 A RO 7352673A RO 7352673 A RO7352673 A RO 7352673A RO 61026 A RO61026 A RO 61026A
- Authority
- RO
- Romania
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
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- 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
- H02P7/298—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 and field supplies
- H02P7/2985—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 and field supplies 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)
- Control And Safety Of Cranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE81472A SE360059B (en) | 1972-01-25 | 1972-01-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
RO61026A true RO61026A (en) | 1976-09-15 |
Family
ID=20257145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7352673A RO61026A (en) | 1972-01-25 | 1973-01-17 |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2301935B2 (en) |
ES (1) | ES410813A1 (en) |
RO (1) | RO61026A (en) |
SE (1) | SE360059B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI875074A (en) * | 1986-12-04 | 1988-06-05 | Kontron Holding Ag | STYRNING AV EN MOTOR. |
DE4115295A1 (en) * | 1991-05-10 | 1992-11-12 | Telefunken Electronic Gmbh | Load current monitoring circuit with overload and short-circuit protection - uses current-voltage converter supplying overload and short-circuit detectors |
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1972
- 1972-01-25 SE SE81472A patent/SE360059B/xx unknown
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1973
- 1973-01-16 DE DE19732301935 patent/DE2301935B2/en not_active Withdrawn
- 1973-01-17 RO RO7352673A patent/RO61026A/ro unknown
- 1973-01-19 ES ES410813A patent/ES410813A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5131873A (en) | 1974-07-25 |
SE360059B (en) | 1973-09-17 |
ES410813A1 (en) | 1975-12-16 |
DE2301935B2 (en) | 1978-06-22 |
DE2301935A1 (en) | 1973-08-02 |