FR2621758A1 - Device for diagnosis or for the determination of the communication states of semiconductor-based protection apparatuses independently of the potential - Google Patents

Device for diagnosis or for the determination of the communication states of semiconductor-based protection apparatuses independently of the potential Download PDF

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Publication number
FR2621758A1
FR2621758A1 FR8811500A FR8811500A FR2621758A1 FR 2621758 A1 FR2621758 A1 FR 2621758A1 FR 8811500 A FR8811500 A FR 8811500A FR 8811500 A FR8811500 A FR 8811500A FR 2621758 A1 FR2621758 A1 FR 2621758A1
Authority
FR
France
Prior art keywords
voltage
potential
transistor
optocoupler
semiconductor
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.)
Granted
Application number
FR8811500A
Other languages
English (en)
French (fr)
Other versions
FR2621758B1 (sl
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2621758A1 publication Critical patent/FR2621758A1/fr
Application granted granted Critical
Publication of FR2621758B1 publication Critical patent/FR2621758B1/fr
Granted legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/10—Modifications for increasing the maximum permissible switched voltage
    • H03K17/105—Modifications for increasing the maximum permissible switched voltage in thyristor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/18—Modifications for indicating state of switch
    • 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
    • H03K17/722—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 with galvanic isolation between the control circuit and the output circuit
    • H03K17/723—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 with galvanic isolation between the control circuit and the output circuit using transformer coupling
    • 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
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/79—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Protection Of Static Devices (AREA)
  • Rectifiers (AREA)
  • Power Conversion In General (AREA)
FR8811500A 1987-09-05 1988-09-02 Device for diagnosis or for the determination of the communication states of semiconductor-based protection apparatuses independently of the potential Granted FR2621758A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3730140 1987-09-05

Publications (2)

Publication Number Publication Date
FR2621758A1 true FR2621758A1 (en) 1989-04-14
FR2621758B1 FR2621758B1 (sl) 1993-12-31

Family

ID=6335530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8811500A Granted FR2621758A1 (en) 1987-09-05 1988-09-02 Device for diagnosis or for the determination of the communication states of semiconductor-based protection apparatuses independently of the potential

Country Status (2)

Country Link
CH (1) CH676527A5 (sl)
FR (1) FR2621758A1 (sl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19844823C1 (de) * 1998-09-30 1999-10-28 Siemens Ag Thyristorschaltung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH602987A5 (en) * 1976-04-23 1978-08-15 Autophon Ag Photocoupled switch monitor
JPS5725160A (en) * 1980-07-18 1982-02-09 Fuji Electric Co Ltd Antiparallel thyristor firing device by light auxiliary thyristor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH602987A5 (en) * 1976-04-23 1978-08-15 Autophon Ag Photocoupled switch monitor
JPS5725160A (en) * 1980-07-18 1982-02-09 Fuji Electric Co Ltd Antiparallel thyristor firing device by light auxiliary thyristor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ELEKTOR no. 6, Juin 1982, CANTERBURY, KENT, GB pages 657 - 661; 'Solid State Relays - the modern method of switching mains. ' *
PATENT ABSTRACTS OF JAPAN vol. 6, no. 91 (E-109)(969) 28 Mai 1982 & JP-A-57 25 160 (FUJI DENKI SEIZO ) 9 Février 1982 *

Also Published As

Publication number Publication date
FR2621758B1 (sl) 1993-12-31
CH676527A5 (en) 1991-01-31

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 15/89

ST Notification of lapse