JPS57150226A - Semiconductor switching electric power supplying circuit - Google Patents

Semiconductor switching electric power supplying circuit

Info

Publication number
JPS57150226A
JPS57150226A JP56035388A JP3538881A JPS57150226A JP S57150226 A JPS57150226 A JP S57150226A JP 56035388 A JP56035388 A JP 56035388A JP 3538881 A JP3538881 A JP 3538881A JP S57150226 A JPS57150226 A JP S57150226A
Authority
JP
Japan
Prior art keywords
reactor
electric power
turned
capacitor
current flows
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
JP56035388A
Other languages
Japanese (ja)
Inventor
Shigeru Sugayama
Shigeo Tomita
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
Hitachi Power Semiconductor Device Ltd
Original Assignee
Hitachi Ltd
Hitachi Haramachi Electronics 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, Hitachi Haramachi Electronics Ltd filed Critical Hitachi Ltd
Priority to JP56035388A priority Critical patent/JPS57150226A/en
Publication of JPS57150226A publication Critical patent/JPS57150226A/en
Pending 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
    • H03K17/04—Modifications for accelerating switching
    • H03K17/0403—Modifications for accelerating switching in thyristor switches

Landscapes

  • Thyristor Switches And Gates (AREA)

Abstract

PURPOSE:To raise a switching frequency, to reduce noises and also to make a reactor and a capacitor small is size, by supplying electric power to a reactor load by use of a gate turn-off thyristor. CONSTITUTION:When an electric power supply is turned on, a current flows through a load reactor 1, a power-factor improving reactor 3 and a variable resistor 12, and capacitors 17, 21 are charged. When voltage across the capacitor 17 exceeds avalanche voltage of a pulse element 18, a gate turn-off thyristor (GTO)10 is turned off, and a current flows to the load reactor 1. When the current flows to a diode 7 by resonance of the reactor 1 and a capacitor 6, it is detected by a current transformer 14, a transistor 15 is turned on, voltage of the capacitor 17 is applied to the GTO10 as a reverse bias, and the GTO10 is turned off.
JP56035388A 1981-03-13 1981-03-13 Semiconductor switching electric power supplying circuit Pending JPS57150226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56035388A JPS57150226A (en) 1981-03-13 1981-03-13 Semiconductor switching electric power supplying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56035388A JPS57150226A (en) 1981-03-13 1981-03-13 Semiconductor switching electric power supplying circuit

Publications (1)

Publication Number Publication Date
JPS57150226A true JPS57150226A (en) 1982-09-17

Family

ID=12440518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56035388A Pending JPS57150226A (en) 1981-03-13 1981-03-13 Semiconductor switching electric power supplying circuit

Country Status (1)

Country Link
JP (1) JPS57150226A (en)

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