ZA701013B - Safety circuits for pulse controlled electric motors - Google Patents

Safety circuits for pulse controlled electric motors

Info

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
Application number
ZA701013A
Inventor
D Thombs
Original Assignee
Lansing Bagnall Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lansing Bagnall Ltd filed Critical Lansing Bagnall Ltd
Publication of ZA701013B publication Critical patent/ZA701013B/en

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)
ZA701013A 1969-02-28 1970-02-16 Safety circuits for pulse controlled electric motors ZA701013B (en)

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)

* Cited by examiner, † Cited by third party
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

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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