JPS5622578A - Switching power unit - Google Patents

Switching power unit

Info

Publication number
JPS5622578A
JPS5622578A JP9565479A JP9565479A JPS5622578A JP S5622578 A JPS5622578 A JP S5622578A JP 9565479 A JP9565479 A JP 9565479A JP 9565479 A JP9565479 A JP 9565479A JP S5622578 A JPS5622578 A JP S5622578A
Authority
JP
Japan
Prior art keywords
main transformer
winding
subtransformer
energy
secondary winding
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
JP9565479A
Other languages
Japanese (ja)
Other versions
JPS5937666B2 (en
Inventor
Kazuo Kametani
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.)
Toko Inc
Original Assignee
Toko Inc
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 Toko Inc filed Critical Toko Inc
Priority to JP9565479A priority Critical patent/JPS5937666B2/en
Publication of JPS5622578A publication Critical patent/JPS5622578A/en
Publication of JPS5937666B2 publication Critical patent/JPS5937666B2/en
Expired 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)

Abstract

PURPOSE:To prevent the generation of a spike voltage by connecting a subtransformer winding in parallel to the secondary winding of a main transformer. CONSTITUTION:A primary side series circuit is composed of DC power source E, a primary winding L1 of a main transformer T1, a collector and the emitter of a transistor TrQ1. The winding L12 of a subtransformer T12 is connected in parallel to a secondary winding L10 of the main transformer T1 and a connection point 8 is connected to a rectifying diode D10 and a smoothing circuit 3. With the transistor TrQ1 ON, current flows through the primary winding L1 to cause an induced voltage in the secondary winding L10 whereby energy is accumulated in the main transformer T1 and the subtransformer T12. With the transistor TrQ1 OFF, the energy is released to obtain an output from the terminal 4. However, because the accumulated energy is divided, the spike voltage generated in the main transformer can be reduced.
JP9565479A 1979-07-27 1979-07-27 switching power supply Expired JPS5937666B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9565479A JPS5937666B2 (en) 1979-07-27 1979-07-27 switching power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9565479A JPS5937666B2 (en) 1979-07-27 1979-07-27 switching power supply

Publications (2)

Publication Number Publication Date
JPS5622578A true JPS5622578A (en) 1981-03-03
JPS5937666B2 JPS5937666B2 (en) 1984-09-11

Family

ID=14143479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9565479A Expired JPS5937666B2 (en) 1979-07-27 1979-07-27 switching power supply

Country Status (1)

Country Link
JP (1) JPS5937666B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648065U (en) * 1992-11-20 1994-06-28 沖電気工業株式会社 Bulk storage

Also Published As

Publication number Publication date
JPS5937666B2 (en) 1984-09-11

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