CA1107818A - Circuits de controle d'impulsions a thyristor - Google Patents

Circuits de controle d'impulsions a thyristor

Info

Publication number
CA1107818A
CA1107818A CA303,262A CA303262A CA1107818A CA 1107818 A CA1107818 A CA 1107818A CA 303262 A CA303262 A CA 303262A CA 1107818 A CA1107818 A CA 1107818A
Authority
CA
Canada
Prior art keywords
contactor
circuit
main thyristor
gating signal
thyristor
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
Application number
CA303,262A
Other languages
English (en)
Inventor
Albert E. Sloan
Arthur Wild
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of CA1107818A publication Critical patent/CA1107818A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/10Emergency 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
    • H02H7/12Emergency 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/02Conversion of DC power input into DC power output without intermediate conversion into AC
    • H02M3/04Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
    • H02M3/10Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/125Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M3/135Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M3/137Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Generation Of Surge Voltage And Current (AREA)
CA303,262A 1977-05-24 1978-05-12 Circuits de controle d'impulsions a thyristor Expired CA1107818A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB21847/77 1977-05-24
GB21847/77A GB1583247A (en) 1977-05-24 1977-05-24 Thyristor pulse control circuits

Publications (1)

Publication Number Publication Date
CA1107818A true CA1107818A (fr) 1981-08-25

Family

ID=10169818

Family Applications (1)

Application Number Title Priority Date Filing Date
CA303,262A Expired CA1107818A (fr) 1977-05-24 1978-05-12 Circuits de controle d'impulsions a thyristor

Country Status (6)

Country Link
CA (1) CA1107818A (fr)
DE (1) DE2822734A1 (fr)
ES (1) ES470189A1 (fr)
FR (1) FR2392536A1 (fr)
GB (1) GB1583247A (fr)
IT (1) IT1094783B (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1025774A (en) * 1963-10-23 1966-04-14 Sevcon Eng Ltd Improvements in or relating to control means for electrical apparatus
GB1018645A (en) * 1963-10-23 1966-01-26 Sevcon Eng Ltd Improvements in or relating to control means for electrical apparatus
JPS5037366B1 (fr) * 1970-03-20 1975-12-02
US3710216A (en) * 1971-04-06 1973-01-09 Eaton Corp Scr motor speed control with plug sensing circuit
FR2147442A5 (fr) * 1971-07-28 1973-03-09 Jeumont Schneider

Also Published As

Publication number Publication date
FR2392536B1 (fr) 1983-02-18
DE2822734A1 (de) 1978-12-07
IT1094783B (it) 1985-08-02
FR2392536A1 (fr) 1978-12-22
ES470189A1 (es) 1979-02-01
GB1583247A (en) 1981-01-21
IT7823641A0 (it) 1978-05-22

Similar Documents

Publication Publication Date Title
US4163190A (en) Apparatus for control of electrical current by electromagnetic induction
US4524412A (en) Peak current controlled converter with additional current threshold control level to limit current tailout during overload conditions
EP0148855A1 (fr) Circuit de commutation de puissance a mosfet en parallele.
US3766457A (en) Speed responsive motor starting system
US4081725A (en) Lift truck control providing time delay in operation of directional contactor
US4171532A (en) Thyristor pulse control circuits
US4052625A (en) Motor speed control circuit with overload protection
US3764870A (en) Control systems for battery operated vehicles
GB1456588A (en) Variable duty cycle electric traction motor control
US3854076A (en) Dual level plugging circuit
US3753077A (en) Direct current chopper control circuit
EP0267194A1 (fr) Appareil de protection contre des defauts
CA1096029A (fr) Circuit de commande pour l'excitation temporaire ou permanente des contacts d'un contacteur c.c.
US5502609A (en) Electric circuitry for preventing contactor tip contamination in dry switching applications
CA1107818A (fr) Circuits de controle d'impulsions a thyristor
GB1558591A (en) Pulse controllers for de motors
US4017777A (en) Load voltage clamping circuit for voltage turn-off chopper
US3845379A (en) Chopper circuit for d.c. motor
GB2077543A (en) Electrically held power relay circuit with reduced power dissipation
US3708685A (en) High inductive load energizing circuit
CA1037113A (fr) Commande de derivation pour dispositif de communication a semiconducteurs
CA1056447A (fr) Commande de freinage par contre-courant
US3993942A (en) Forced commutation chopper having current limit
JPS5826572A (ja) 制御装置
US4049998A (en) Control circuit for an electrically driven vehicle

Legal Events

Date Code Title Description
MKEX Expiry