DE2916775A1 - Schaltungsanordnung zum schutz eines bauelements gegen ueberstrom durch magnetische saettigung einer induktivitaet - Google Patents

Schaltungsanordnung zum schutz eines bauelements gegen ueberstrom durch magnetische saettigung einer induktivitaet

Info

Publication number
DE2916775A1
DE2916775A1 DE19792916775 DE2916775A DE2916775A1 DE 2916775 A1 DE2916775 A1 DE 2916775A1 DE 19792916775 DE19792916775 DE 19792916775 DE 2916775 A DE2916775 A DE 2916775A DE 2916775 A1 DE2916775 A1 DE 2916775A1
Authority
DE
Germany
Prior art keywords
inductance
current
series
circuit arrangement
magnetic saturation
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.)
Withdrawn
Application number
DE19792916775
Other languages
German (de)
English (en)
Inventor
Werner Ing Grad Pollmeier
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.)
Nixdorf Computer AG
Original Assignee
Nixdorf Computer AG
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 Nixdorf Computer AG filed Critical Nixdorf Computer AG
Priority to DE19792916775 priority Critical patent/DE2916775A1/de
Priority to US06/140,468 priority patent/US4328538A/en
Priority to EP80102214A priority patent/EP0018598B1/de
Priority to JP5485480A priority patent/JPS55144726A/ja
Priority to AT80102214T priority patent/ATE3928T1/de
Priority to DE8080102214T priority patent/DE3063843D1/de
Publication of DE2916775A1 publication Critical patent/DE2916775A1/de
Withdrawn legal-status Critical Current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
    • H03K17/60—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 the devices being bipolar transistors
    • H03K17/64—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 the devices being bipolar transistors having inductive loads
    • 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
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Protection Of Static Devices (AREA)
  • Electronic Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Inverter Devices (AREA)
DE19792916775 1979-04-25 1979-04-25 Schaltungsanordnung zum schutz eines bauelements gegen ueberstrom durch magnetische saettigung einer induktivitaet Withdrawn DE2916775A1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19792916775 DE2916775A1 (de) 1979-04-25 1979-04-25 Schaltungsanordnung zum schutz eines bauelements gegen ueberstrom durch magnetische saettigung einer induktivitaet
US06/140,468 US4328538A (en) 1979-04-25 1980-04-17 Switching arrangement to protect a component against overcurrent due to magnetic saturation of an inductor
EP80102214A EP0018598B1 (de) 1979-04-25 1980-04-24 Schaltungsanordnung zur Begrenzung des Schaltstroms in einem aus einem Durchflussstromwandler, einem Schalthalbleiter, einer Schutzinduktivität und einer Überstromabschaltung in Serienschaltung gebildeten Stromkreis
JP5485480A JPS55144726A (en) 1979-04-25 1980-04-24 Circuit for protecting component member against overcurrent due to magnetic saturation of inductance
AT80102214T ATE3928T1 (de) 1979-04-25 1980-04-24 Schaltungsanordnung zur begrenzung des schaltstroms in einem aus einem durchflussstromwandler, einem schalthalbleiter, einer schutzinduktivitaet und einer ueberstromabschaltung in serienschaltung gebildeten stromkreis.
DE8080102214T DE3063843D1 (en) 1979-04-25 1980-04-24 Circuit for limiting the switching current in a series circuit consisting of a current transformer, a semi-conductor device, a protection inductance and an overload-sensitive cut-out

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792916775 DE2916775A1 (de) 1979-04-25 1979-04-25 Schaltungsanordnung zum schutz eines bauelements gegen ueberstrom durch magnetische saettigung einer induktivitaet

Publications (1)

Publication Number Publication Date
DE2916775A1 true DE2916775A1 (de) 1980-10-30

Family

ID=6069242

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19792916775 Withdrawn DE2916775A1 (de) 1979-04-25 1979-04-25 Schaltungsanordnung zum schutz eines bauelements gegen ueberstrom durch magnetische saettigung einer induktivitaet
DE8080102214T Expired DE3063843D1 (en) 1979-04-25 1980-04-24 Circuit for limiting the switching current in a series circuit consisting of a current transformer, a semi-conductor device, a protection inductance and an overload-sensitive cut-out

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8080102214T Expired DE3063843D1 (en) 1979-04-25 1980-04-24 Circuit for limiting the switching current in a series circuit consisting of a current transformer, a semi-conductor device, a protection inductance and an overload-sensitive cut-out

Country Status (5)

Country Link
US (1) US4328538A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0018598B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS55144726A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE3928T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE2916775A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102666A3 (en) * 1982-08-30 1985-11-21 New Holland Inc. Method and apparatus for monitoring and protecting a semiconductor output device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4611267A (en) * 1985-02-25 1986-09-09 General Electric Company Snubber arrangements with energy recovery for power converters using self-extinguishing devices
US4736285A (en) * 1986-06-19 1988-04-05 Veeco Instruments, Inc. Demagnetization circuit for forward converter
US4694387A (en) * 1987-01-08 1987-09-15 Honeywell, Inc. Inductive devices
US5068776A (en) * 1990-11-29 1991-11-26 International Business Machines Corporation Switched-mode DC-DC power converter for reducing effects of magnetization current
US5251770A (en) * 1992-05-06 1993-10-12 Broadway Companies, Inc. Container and pressure sealing closure combination
CN104521124B (zh) * 2012-07-21 2018-01-02 Nlt科技股份有限公司 Dc/dc转换器和显示设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333179A (en) * 1964-05-12 1967-07-25 Jefferson Electric Co Parallel inverter having higher frequency at start-up
NL6600907A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1966-01-25 1967-07-26
US3539905A (en) * 1968-11-14 1970-11-10 Nasa Saturation current protection apparatus for saturable core transformers
US3832573A (en) * 1973-02-15 1974-08-27 Megapulse Inc Over-current latch-up protection apparatus for scr inverter circuits and the like
US4065713A (en) * 1974-09-13 1977-12-27 Nixdorf Computer Ag Voltage stabilizer
US4025863A (en) * 1975-08-04 1977-05-24 International Business Machines Corporation Regulating electric power circuit arrangement
US4122385A (en) * 1975-11-28 1978-10-24 The Charles Stark Draper Laboratory, Inc. Saturable reactor current limiter
GB1525416A (en) * 1976-04-21 1978-09-20 Mullard Ltd Dc-dc converter
DE2651492A1 (de) * 1976-11-11 1978-05-18 Boehringer Andreas Einrichtung zur befreieung elektrischer oder elektronischer einwegschalter von hoher verlustleistungsbeanspruchung waehrend des einschaltens und ueberhoehter sperrspannungsbeanspruchung beim ausschalten
DE2716367C2 (de) * 1977-04-13 1982-10-14 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schutzbeschaltung für im Wechselschaltbetrieb gegen induktive Last arbeitende Transistoren
JPS547551A (en) * 1977-06-20 1979-01-20 Nec Corp Current limiter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0102666A3 (en) * 1982-08-30 1985-11-21 New Holland Inc. Method and apparatus for monitoring and protecting a semiconductor output device

Also Published As

Publication number Publication date
EP0018598A1 (de) 1980-11-12
ATE3928T1 (de) 1983-07-15
JPS6361859B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-11-30
EP0018598B1 (de) 1983-06-22
JPS55144726A (en) 1980-11-11
US4328538A (en) 1982-05-04
DE3063843D1 (en) 1983-07-28

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Legal Events

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