CA937634A - Control scheme for timing the application of limited duration firing signals to power switching devices - Google Patents

Control scheme for timing the application of limited duration firing signals to power switching devices

Info

Publication number
CA937634A
CA937634A CA156294A CA156294A CA937634A CA 937634 A CA937634 A CA 937634A CA 156294 A CA156294 A CA 156294A CA 156294 A CA156294 A CA 156294A CA 937634 A CA937634 A CA 937634A
Authority
CA
Canada
Prior art keywords
timing
application
switching devices
power switching
control scheme
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
CA156294A
Other languages
English (en)
Other versions
CA156294S (en
Inventor
R. Pelly Brian
G. Tarjan Mario
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of CA937634A publication Critical patent/CA937634A/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
    • H03K17/725—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 AC voltages or currents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/12—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC
    • G05F1/40—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/45—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
    • G05F1/455—Regulating voltage or current  wherein the variable actually regulated by the final control device is AC using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
    • 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
    • H02H7/1203—Circuits independent of the type of conversion
    • H02H7/1206—Circuits independent of the type of conversion specially adapted to conversion cells composed of a plurality of parallel or serial connected elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/06—Modifications for ensuring a fully conducting state

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Rectifiers (AREA)
  • Power Conversion In General (AREA)
  • Control Of Electrical Variables (AREA)
CA156294A 1968-08-01 1972-11-14 Control scheme for timing the application of limited duration firing signals to power switching devices Expired CA937634A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1763751A DE1763751C3 (de) 1968-08-01 1968-08-01 Impulsgenerator für eine mit einer Wechselspannung synchrone Impulsfolge mit einstellbarem Phasenwinkel
US00219461A US3728557A (en) 1968-08-01 1972-01-20 Control scheme for timing the application of limited duration firing signals to power switching devices

Publications (1)

Publication Number Publication Date
CA937634A true CA937634A (en) 1973-11-27

Family

ID=59285597

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156294A Expired CA937634A (en) 1968-08-01 1972-11-14 Control scheme for timing the application of limited duration firing signals to power switching devices

Country Status (8)

Country Link
US (2) US3619653A (de)
JP (1) JPS5230837Y2 (de)
AT (1) AT316690B (de)
CA (1) CA937634A (de)
CH (2) CH497818A (de)
DE (2) DE1763751C3 (de)
GB (1) GB1214800A (de)
SE (1) SE343184B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778602A (en) * 1970-10-30 1973-12-11 King Radio Corp Area navigation computer and solid state filter
US3855482A (en) * 1972-09-05 1974-12-17 Borg Warner Solid state switching system for coupling an ac power supply to a load
US3793537A (en) * 1972-09-25 1974-02-19 Westinghouse Electric Corp Firing circuitry for semiconductive controlled rectifiers
US3873853A (en) * 1973-08-09 1975-03-25 Rca Corp Comparator-keyed oscillator
US3906298A (en) * 1974-01-28 1975-09-16 Teradyne Inc Protective apparatus for digital logic circuits
JPS51116663A (en) * 1975-04-07 1976-10-14 Hitachi Ltd Gate control unit for thyrister valve
FR2309071A1 (fr) * 1975-04-22 1976-11-19 Alsthom Cgee Procede de declenchement d'un redresseur a allumage commande et dispositif pour sa mise en oeuvre
JPS5418663A (en) * 1977-07-13 1979-02-10 Hitachi Ltd Gate control unit for thyristor valve
JPS5586373A (en) * 1978-12-22 1980-06-30 Toshiba Corp Gate control system for thyristor converter
US4298810A (en) * 1980-01-14 1981-11-03 General Electric Company Semiconductor device conduction state detection circuit
JPS56121363A (en) * 1980-02-28 1981-09-24 Hitachi Ltd Gate circuit for thyristor
FR2504757A1 (fr) * 1981-04-27 1982-10-29 Thomson Csf Procede et dispositif autoadaptatif d'amorcage d'un triac
CH662220A5 (de) 1982-05-05 1987-09-15 V Elektrotech I V I Lenina Verfahren und anordnung zur impulssteuerung eines hochspannungs-thyristorventils.
JPS5911772A (ja) * 1982-07-12 1984-01-21 Kansai Electric Power Co Inc:The 光点弧サイリスタの過電圧保護装置
DE3405769A1 (de) * 1984-02-17 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zum ansteuern des stromleitenden zustandes eines abschaltbaren thyristors
FR2564662B1 (fr) * 1984-05-16 1991-01-18 Anvar Interface de pilotage d'un interrupteur statique electronique du type commandable
AT384502B (de) * 1985-09-10 1987-11-25 Sprecher & Schuh Ag Einrichtung zum gesteuerten ein- und/oder ausschalten von induktiven und kapazitiven elementen im hochspannungsnetz
US4876468A (en) * 1986-10-16 1989-10-24 Square D Company Thyristor driver turn-off circuit
US4912390A (en) * 1986-10-16 1990-03-27 Square D Company Apparatus for controlling firing of thyristors relative to a current reaching zero by using a microcomputer and hardware responsive to voltage crossing zero
US4823024A (en) * 1988-06-29 1989-04-18 Ncr Corporation Signal edge trimmer circuit
EP0379608B1 (de) * 1989-01-23 1993-03-31 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Steuerung von ein- oder mehrphasigen Wechselstromstellern
FR2939576B1 (fr) * 2008-12-09 2011-02-11 Areva T & D Sa Circuit de commande de bras de thyristors et circuit d'alimentation associe.
CN105703481B (zh) * 2016-03-03 2018-03-30 南京南瑞继保电气有限公司 一种换流阀均压状态一致性统计方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183372A (en) * 1962-06-21 1965-05-11 Ibm Control and synchronizing circuit for a wave generator
SE302153B (de) * 1964-07-01 1968-07-08 Asea Ab
US3329837A (en) * 1966-01-20 1967-07-04 Dominion Electrohome Ind Ltd Silicon controlled rectifier circuits
US3654541A (en) * 1969-06-26 1972-04-04 Gen Electric Thyristor state sensor
US3681676A (en) * 1971-04-21 1972-08-01 Gen Motors Corp Cycloconverter silicon controlled rectifier gate signal inhibit circuit
JPS5123302A (en) * 1974-08-19 1976-02-24 Tore Eng Co Ltd Kanatsushino sonshikara parupuokaishusuruhoho

Also Published As

Publication number Publication date
US3619653A (en) 1971-11-09
DE2302227A1 (de) 1973-07-26
CH554613A (de) 1974-09-30
DE1763751B2 (de) 1975-01-02
DE1763751C3 (de) 1975-08-07
SE343184B (de) 1972-02-28
GB1214800A (en) 1970-12-02
DE1763751A1 (de) 1971-04-29
CH497818A (de) 1970-10-15
US3728557A (en) 1973-04-17
JPS5230837Y2 (de) 1977-07-14
JPS4890548U (de) 1973-10-31
AT316690B (de) 1974-07-25

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