JPS5783153A - Drive circuit for gate of gate turn-off thyristor - Google Patents

Drive circuit for gate of gate turn-off thyristor

Info

Publication number
JPS5783153A
JPS5783153A JP55157052A JP15705280A JPS5783153A JP S5783153 A JPS5783153 A JP S5783153A JP 55157052 A JP55157052 A JP 55157052A JP 15705280 A JP15705280 A JP 15705280A JP S5783153 A JPS5783153 A JP S5783153A
Authority
JP
Japan
Prior art keywords
gate
turn
pulses
drive circuit
transformer
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
JP55157052A
Other languages
Japanese (ja)
Inventor
Minoru Tanaka
Tetsuya Takahashi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP55157052A priority Critical patent/JPS5783153A/en
Publication of JPS5783153A publication Critical patent/JPS5783153A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H02M1/06—Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Power Conversion In General (AREA)
  • Thyristor Switches And Gates (AREA)

Abstract

PURPOSE:To miniaturize the gate drive circuit by each connecting a turn-on transformer and a turn-off transformer in parallel betwen a gate and a cathode of the GTO (the gate turn-off thyristor) through diodes. CONSTITUTION:When a switch 4 is closed from conditions that switches 4, 5 are opened, the GTO1 is conducted by pulses generated from the turn-on transformer 8. When the switch 4 is opened, pulses in the reverse direction are generated, but the pulses are interrupted by means of the diode 10, and are not applied to the GTO. When the switch 5 is closed, the GTO1 is at off by pulses generated from the turn-off transformer 9. When the switch 5 is opened, pulses in the reverse direction are also generated, but the pulses are interrupted by means of the diode 11, and are not applied to the GTO. Accordingly, the capacity of a power supply of the gate drive circuit can be minimized, and the drive circuit can be miniaturized.
JP55157052A 1980-11-10 1980-11-10 Drive circuit for gate of gate turn-off thyristor Pending JPS5783153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55157052A JPS5783153A (en) 1980-11-10 1980-11-10 Drive circuit for gate of gate turn-off thyristor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55157052A JPS5783153A (en) 1980-11-10 1980-11-10 Drive circuit for gate of gate turn-off thyristor

Publications (1)

Publication Number Publication Date
JPS5783153A true JPS5783153A (en) 1982-05-24

Family

ID=15641141

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55157052A Pending JPS5783153A (en) 1980-11-10 1980-11-10 Drive circuit for gate of gate turn-off thyristor

Country Status (1)

Country Link
JP (1) JPS5783153A (en)

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