JPS5629459A - Control circuit of alternating current phase - Google Patents

Control circuit of alternating current phase

Info

Publication number
JPS5629459A
JPS5629459A JP9956879A JP9956879A JPS5629459A JP S5629459 A JPS5629459 A JP S5629459A JP 9956879 A JP9956879 A JP 9956879A JP 9956879 A JP9956879 A JP 9956879A JP S5629459 A JPS5629459 A JP S5629459A
Authority
JP
Japan
Prior art keywords
capacitor
resistance
arc
triac
control circuit
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
JP9956879A
Other languages
Japanese (ja)
Inventor
Yuji Komiya
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9956879A priority Critical patent/JPS5629459A/en
Publication of JPS5629459A publication Critical patent/JPS5629459A/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
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Power Conversion In General (AREA)

Abstract

PURPOSE:To improve reliability and reduce deterioration of elements by a method wherein the elements are combined which are changed in the value of resistance by a phase shifting circuit, arc circuit and lights. CONSTITUTION:When a light emission diode 18 does not emit light, Cds cell 19 has high resistance and therefore, a capacitor 9 is charged almost without by-passing of the charging currents to the capacitor 9. When voltage of the capacitor 9 reaches a given value, a silicon bilateral switch (SBS) 6 operates switching, so that only short time is required before triggering the gate of triac 5 and accordingly, the angle of the arc phase is narrow. On the contrary, when a large quantity of light is irradiated from the light emission diode 18 and the valve of resistance of Cds 19 cell is small, the angle of the arc phase of triac 5 becomes large.
JP9956879A 1979-08-03 1979-08-03 Control circuit of alternating current phase Pending JPS5629459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9956879A JPS5629459A (en) 1979-08-03 1979-08-03 Control circuit of alternating current phase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9956879A JPS5629459A (en) 1979-08-03 1979-08-03 Control circuit of alternating current phase

Publications (1)

Publication Number Publication Date
JPS5629459A true JPS5629459A (en) 1981-03-24

Family

ID=14250723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9956879A Pending JPS5629459A (en) 1979-08-03 1979-08-03 Control circuit of alternating current phase

Country Status (1)

Country Link
JP (1) JPS5629459A (en)

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