ZA701013B - Safety circuits for pulse controlled electric motors - Google Patents
Safety circuits for pulse controlled electric motorsInfo
- Publication number
- ZA701013B ZA701013B ZA701013A ZA701013A ZA701013B ZA 701013 B ZA701013 B ZA 701013B ZA 701013 A ZA701013 A ZA 701013A ZA 701013 A ZA701013 A ZA 701013A ZA 701013 B ZA701013 B ZA 701013B
- Authority
- ZA
- South Africa
- Prior art keywords
- electric motors
- controlled electric
- safety circuits
- pulse controlled
- pulse
- Prior art date
Links
Classifications
-
- 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
- H02H7/10—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 converters; for rectifiers
- H02H7/12—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 converters; for rectifiers for static converters or rectifiers
- H02H7/1213—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 converters; for rectifiers for static converters or rectifiers for DC-DC converters
-
- 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
- H02H7/0844—Fail safe control, e.g. by comparing control signal and controlled current, isolating motor on commutation error
-
- 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
- H02P7/282—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 field supply only
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Direct Current Motors (AREA)
- Stopping Of Electric Motors (AREA)
- Protection Of Generators And Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1085769 | 1969-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA701013B true ZA701013B (en) | 1971-03-31 |
Family
ID=9975596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA701013A ZA701013B (en) | 1969-02-28 | 1970-02-16 | Safety circuits for pulse controlled electric motors |
Country Status (10)
Country | Link |
---|---|
AT (1) | AT297162B (en) |
BE (1) | BE746674A (en) |
BR (1) | BR7017050D0 (en) |
CH (1) | CH526217A (en) |
DE (1) | DE2007704A1 (en) |
ES (1) | ES376975A1 (en) |
FR (1) | FR2033144A5 (en) |
GB (1) | GB1251722A (en) |
NL (1) | NL7002824A (en) |
ZA (1) | ZA701013B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2099677B1 (en) * | 1970-07-30 | 1977-08-05 | Honeywell Inf Systems Italia | |
US3914675A (en) * | 1973-09-17 | 1975-10-21 | Gen Electric | Fault detector circuit for electric vehicle control |
FR2358700A1 (en) * | 1976-07-17 | 1978-02-10 | Vaillant Sa | CONTROL DEVICE FOR RECHARGING AN ELECTRIC STORAGE HEATING SYSTEM |
DE2831479A1 (en) * | 1978-07-18 | 1980-01-31 | Bosch Gmbh Robert | CIRCUIT ARRANGEMENT FOR ADJUSTING THE CURRENT FROM A BATTERY TO AN ELECTRIC MOTOR |
DE4133302C2 (en) * | 1991-10-08 | 1994-08-25 | Jungheinrich Ag | Overload protection for the power control stage of a DC motor |
-
1969
- 1969-02-28 GB GB1085769A patent/GB1251722A/en not_active Expired
-
1970
- 1970-02-16 ZA ZA701013A patent/ZA701013B/en unknown
- 1970-02-19 DE DE19702007704 patent/DE2007704A1/en active Pending
- 1970-02-26 BR BR217050/70A patent/BR7017050D0/en unknown
- 1970-02-27 AT AT184870A patent/AT297162B/en not_active IP Right Cessation
- 1970-02-27 FR FR7007215A patent/FR2033144A5/fr not_active Expired
- 1970-02-27 CH CH294770A patent/CH526217A/en not_active IP Right Cessation
- 1970-02-27 ES ES376975A patent/ES376975A1/en not_active Expired
- 1970-02-27 NL NL7002824A patent/NL7002824A/xx unknown
- 1970-02-27 BE BE746674D patent/BE746674A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2033144A5 (en) | 1970-11-27 |
DE2007704A1 (en) | 1970-10-01 |
BR7017050D0 (en) | 1973-01-16 |
GB1251722A (en) | 1971-10-27 |
BE746674A (en) | 1970-07-31 |
CH526217A (en) | 1972-07-31 |
AT297162B (en) | 1972-03-10 |
NL7002824A (en) | 1970-09-01 |
ES376975A1 (en) | 1972-05-01 |
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