GB1071439A - D.c. semiconductor switching device - Google Patents

D.c. semiconductor switching device

Info

Publication number
GB1071439A
GB1071439A GB53192/65A GB5319265A GB1071439A GB 1071439 A GB1071439 A GB 1071439A GB 53192/65 A GB53192/65 A GB 53192/65A GB 5319265 A GB5319265 A GB 5319265A GB 1071439 A GB1071439 A GB 1071439A
Authority
GB
United Kingdom
Prior art keywords
thyristor
capacitor
discharge
load
circuit
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
GB53192/65A
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
Brown Boveri und Cie AG Switzerland
BBC Brown Boveri France SA
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 Brown Boveri und Cie AG Switzerland, BBC Brown Boveri France SA filed Critical Brown Boveri und Cie AG Switzerland
Publication of GB1071439A publication Critical patent/GB1071439A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
    • H03K17/73—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for dc voltages or currents
    • 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
    • H02P7/292—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 static converters, e.g. AC to DC
    • H02P7/293—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 static converters, e.g. AC to DC using phase control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electronic Switches (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

1,071,439. Semi-conductor switching circuits. BROWN BOVERI & CO. Ltd. Dec. 15, 1965 [Dec. 17, 1964], No. 53192/65. Heading H3T. [Also in Division H2] The current through a load 3 from a D.C. supply 1 is controlled by a power thyristor 4 which is switched on by discharge of a capacitor 8 (charged slowly via members 6, 7) and is switched off by discharge of a capacitor 11 through a series circuit comprising the thyristor 4 and two control thyristors 14, 19. To switch off, the thyristor 14 is fired by discharge of a capacitor 16 and this in turn fires the thyristor 19 to complete the series circuit, conduction ceasing after the discharge of capacitor 11 due to the magnitude of resistors 12, 13. Thyristor 4 may be automatically switched off upon overload by provision of a second firing circuit for the control electrode of thyristor 14, this circuit comprising a load-current-carrying resistor (22), a resistor (23), a diode (24b) and a Zener diode (25), Fig. 2 (not shown). The load 3 may comprise the armature (27) of a separatelyexcited D.C. motor which can be supplied with pulses of adjustable length and/or frequency by triggering the thyristors 4, 14 in accordance with a predetermined firing programme, the motor armature being in series with an inductance (26) for smoothing and transient suppression purposes, Fig. 3 (not shown).
GB53192/65A 1964-12-17 1965-12-15 D.c. semiconductor switching device Expired GB1071439A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR998993A FR1426340A (en) 1964-12-17 1964-12-17 Contactor and circuit breaker, solid-state, for direct current

Publications (1)

Publication Number Publication Date
GB1071439A true GB1071439A (en) 1967-06-07

Family

ID=8845007

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53192/65A Expired GB1071439A (en) 1964-12-17 1965-12-15 D.c. semiconductor switching device

Country Status (4)

Country Link
CH (1) CH430833A (en)
DE (1) DE1488436A1 (en)
FR (1) FR1426340A (en)
GB (1) GB1071439A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686393A (en) * 1984-02-01 1987-08-11 National Research Development Corporation Circuit breakers for direct and alternating current

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686393A (en) * 1984-02-01 1987-08-11 National Research Development Corporation Circuit breakers for direct and alternating current

Also Published As

Publication number Publication date
CH430833A (en) 1967-02-28
DE1488436A1 (en) 1969-07-03
FR1426340A (en) 1966-01-28

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