DE2239796A1 - Auf einen ueberspannungszustand ansprechende anordnung zur erzeugung eines frequenzerhoehungs-steuersignales - Google Patents

Auf einen ueberspannungszustand ansprechende anordnung zur erzeugung eines frequenzerhoehungs-steuersignales

Info

Publication number
DE2239796A1
DE2239796A1 DE2239796A DE2239796A DE2239796A1 DE 2239796 A1 DE2239796 A1 DE 2239796A1 DE 2239796 A DE2239796 A DE 2239796A DE 2239796 A DE2239796 A DE 2239796A DE 2239796 A1 DE2239796 A1 DE 2239796A1
Authority
DE
Germany
Prior art keywords
signal
voltage
overvoltage
electrical system
control device
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.)
Pending
Application number
DE2239796A
Other languages
German (de)
English (en)
Inventor
Carlton Eugene Graf
Einar Aasen Skogsholm
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.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of DE2239796A1 publication Critical patent/DE2239796A1/de
Pending legal-status Critical Current

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
    • H02H7/1216—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 AC-AC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • 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
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
    • H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
    • H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of DC power input into AC power output without possibility of reversal 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
    • H02M7/515—Conversion of DC power input into AC power output without possibility of reversal 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
    • H02M7/525—Conversion of DC power input into AC power output without possibility of reversal 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 waveform or frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Control Of Ac Motors In General (AREA)
  • Stopping Of Electric Motors (AREA)
  • Dc-Dc Converters (AREA)
  • Ac-Ac Conversion (AREA)
DE2239796A 1971-08-16 1972-08-12 Auf einen ueberspannungszustand ansprechende anordnung zur erzeugung eines frequenzerhoehungs-steuersignales Pending DE2239796A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17211371A 1971-08-16 1971-08-16

Publications (1)

Publication Number Publication Date
DE2239796A1 true DE2239796A1 (de) 1973-02-22

Family

ID=22626418

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2239796A Pending DE2239796A1 (de) 1971-08-16 1972-08-12 Auf einen ueberspannungszustand ansprechende anordnung zur erzeugung eines frequenzerhoehungs-steuersignales

Country Status (6)

Country Link
US (1) US3718851A (enExample)
JP (1) JPS5340687B2 (enExample)
AU (1) AU4538672A (enExample)
DE (1) DE2239796A1 (enExample)
ES (1) ES405756A1 (enExample)
GB (1) GB1399026A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010811A1 (en) * 1978-10-28 1980-05-14 Westinghouse Brake And Signal Company Limited Switching transistor over-voltage protection means

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4426611A (en) 1982-04-28 1984-01-17 General Electric Company Twelve pulse load commutated inverter drive system
US4694236A (en) * 1985-02-26 1987-09-15 Sundstrand Corporation Control for AC motor drive
KR870000231A (ko) * 1985-06-27 1987-02-17 시끼 모리야 교류엘리베이터의 제어장치
US5089760A (en) * 1986-12-10 1992-02-18 Square D Company DC bus voltage regulation by controlling the frequency in a variable frequency inverter
US5010287A (en) * 1988-02-24 1991-04-23 Matsushita Electric Works, Ltd. Induction motor control system
WO1993020505A2 (en) * 1992-03-31 1993-10-14 Seiko Epson Corporation Superscalar risc instruction scheduling

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394297A (en) * 1965-10-13 1968-07-23 Cutler Hammer Inc Adjustable frequency a. c. motor control system with frequency speed control above base speed
US3403318A (en) * 1965-11-01 1968-09-24 Borg Warner Static inverter system with frequency regulation of inverter output voltage as a function of inverter input voltage amplitude
DE1615126B1 (de) * 1967-12-29 1972-05-31 Aeg Elotherm Gmbh Verfahren zur Beseitigung der Gleichstromerhoehung ueber Nennstrom bei Parallelschwingkreisumrichtern mit steuerbarer Betriebsfrequenz
US3628126A (en) * 1968-12-06 1971-12-14 Meidensha Electric Mfg Co Ltd Supplementary charge circuit for dc-to-ac converter
US3593103A (en) * 1969-03-04 1971-07-13 Gen Electric Inverter system with automatic ridethrough
US3683264A (en) * 1970-11-12 1972-08-08 Reliance Electric Co Adaptive limit current
US3670224A (en) * 1971-02-18 1972-06-13 Danfoss As Speed and voltage control means for an alternating-current motor, particularly a polyphase induction motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010811A1 (en) * 1978-10-28 1980-05-14 Westinghouse Brake And Signal Company Limited Switching transistor over-voltage protection means

Also Published As

Publication number Publication date
GB1399026A (en) 1975-06-25
ES405756A1 (es) 1975-07-16
US3718851A (en) 1973-02-27
AU4538672A (en) 1974-02-14
JPS5340687B2 (enExample) 1978-10-28
JPS4831421A (enExample) 1973-04-25

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Legal Events

Date Code Title Description
OHW Rejection