KR840001981A - 전원회로 - Google Patents

전원회로 Download PDF

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Publication number
KR840001981A
KR840001981A KR1019820003953A KR820003953A KR840001981A KR 840001981 A KR840001981 A KR 840001981A KR 1019820003953 A KR1019820003953 A KR 1019820003953A KR 820003953 A KR820003953 A KR 820003953A KR 840001981 A KR840001981 A KR 840001981A
Authority
KR
South Korea
Prior art keywords
load
transformer
coupled
power circuit
windings
Prior art date
Application number
KR1019820003953A
Other languages
English (en)
Other versions
KR880000870B1 (ko
Inventor
프랭크 지르카 하워드
Original Assignee
오레크 이. 엘버
웨스턴 일렉트릭 컴패니, 인코포레이티드
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 오레크 이. 엘버, 웨스턴 일렉트릭 컴패니, 인코포레이티드 filed Critical 오레크 이. 엘버
Publication of KR840001981A publication Critical patent/KR840001981A/ko
Application granted granted Critical
Publication of KR880000870B1 publication Critical patent/KR880000870B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/008—Using DC/DC converters
    • 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
    • H02M3/33507—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 with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—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 with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Devices For Supply Of Signal Current (AREA)

Abstract

내용 없음

Description

전원회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 라인회로가 조합된 절환형 플라이백 전력 변환기의 회로도. 제5도는 본 발명을 적용한 라인 회로의 회로도. 제6도에 도시된 라인회로에 내장된 특정한 회로의 실예를 도시한 회로도.

Claims (1)

  1. 단일 변압기(30)에 의하여 직류저항성 부하(44)에 결합된 전원 회로에 있어서, 변압기(30)의 제1권선 (31) 및 제2권선(32)을 거쳐 부하(44)에 결합되어 직류저항성과 별개의 일정한 크기의 직류 전력을 공급하는 직류성분 및 또한 교류 성분을 가진 전압을 부하에 공급하는 수단(10, 41 내지 43)과, 변압기의 제2권선(32) 및 제3권선(33)을 거쳐 부하에 결합되어 부하에 공급된 전압을 나타내는 복귀신호를 발생하는 궤환수단(20, 50)과, 복귀신호를 직류 및 교류성분으로 분리하는 필터수단(52, 54)과, 직류성분에 의해 교류성분을 분할하여 그 나머지에 비례하는 궤환신호를 발생하는 분할수단 (56) 및, 궤환신호에 응답하여 부하에 공급된 교류전압의 크기를 제어하는 수단(70) 으로 구성되어 있는 것을 특징으로 하는 전원회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8203953A 1981-09-03 1982-09-02 전원회로 KR880000870B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US299516 1981-09-03
US06/299,156 US4402039A (en) 1981-09-03 1981-09-03 Telephone line circuit
US299.156 1981-09-03

Publications (2)

Publication Number Publication Date
KR840001981A true KR840001981A (ko) 1984-06-07
KR880000870B1 KR880000870B1 (ko) 1988-05-26

Family

ID=23153536

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8203953A KR880000870B1 (ko) 1981-09-03 1982-09-02 전원회로

Country Status (8)

Country Link
US (1) US4402039A (ko)
EP (1) EP0087437B1 (ko)
JP (1) JPS58501401A (ko)
KR (1) KR880000870B1 (ko)
CA (1) CA1176706A (ko)
DE (1) DE3274509D1 (ko)
GB (1) GB2105499B (ko)
WO (1) WO1983000959A1 (ko)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237652A1 (de) * 1982-10-11 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Fernsprechanlage
US4511763A (en) * 1982-11-01 1985-04-16 Gte Communication Systems Corporation Floating dc current source for a subscriber loop circuit
US4536614A (en) * 1982-12-13 1985-08-20 Gte Communication Systems Corporation Supervision and dial pulse detection circuit for a telephone subscriber line
US4656659A (en) * 1985-07-18 1987-04-07 Itt Corporation Programmable ring signal generator
US4761812A (en) * 1985-12-10 1988-08-02 U.S. Holding Company, Inc. Constant power telephone line circuit
US4704670A (en) * 1986-12-31 1987-11-03 American Telephone & Telegraph Company, At&T Bell Laboratories Power supply with regulated output voltage
DE3907682A1 (de) * 1989-03-09 1990-09-13 Siemens Ag Schaltungsanordnung zur unterdrueckung von stoerspannungen bei gleichspannungswandlern
US5003451A (en) * 1989-12-21 1991-03-26 At&T Bell Laboratories Switched damper circuit for dc to dc power converters
US5528688A (en) * 1994-09-28 1996-06-18 At&T Corp. Telephone battery feed circuit including noise reduction circuit
DE19520940C2 (de) * 1995-06-02 1997-07-17 Siemens Ag Anordnung zur galvanisch getrennten Übertragung von Hilfsenergie (Gleichspannung) und Informationen zu einer elektronischen Einheit
US5740241A (en) * 1995-05-12 1998-04-14 Carrier Access Corporation T1 channel bank control process and apparatus
US6337906B1 (en) * 1997-05-23 2002-01-08 Microlog Corporation Apparatus and method for coupling an automated attendant to a telecommunications system
US7561452B2 (en) * 2005-11-28 2009-07-14 Supertex, Inc. Transformer-isolated flyback converters and methods for regulating output current thereof
CN102368662B (zh) * 2011-03-10 2013-11-27 杭州士兰微电子股份有限公司 电流基准发生电路、恒流开关电源的控制电路及方法
US10680526B2 (en) 2017-01-13 2020-06-09 Analog Devices Global Power transfer and feedback across a common isolator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011410A (en) * 1973-11-13 1977-03-08 Thomas Robert M Communication system interface circuits
FR2374795A1 (fr) * 1976-12-17 1978-07-13 Jeumont Schneider Equipement de ligne d'abonne pour central telephonique
US4056689A (en) * 1977-01-05 1977-11-01 Bell Telephone Laboratories, Incorporated Telephone subscriber line circuit
US4124884A (en) * 1977-03-07 1978-11-07 Bell Telephone Laboratories, Incorporated DC to DC converter with regulated input impedance
NL7903662A (nl) * 1979-05-10 1980-11-12 Philips Nv Lijncircuit.
JPS5660004A (en) * 1979-10-19 1981-05-23 Sony Corp Parts of insulated inductance
US4347559A (en) * 1981-03-02 1982-08-31 Texas Instruments Incorporated Switching power supply

Also Published As

Publication number Publication date
EP0087437A4 (en) 1984-11-07
DE3274509D1 (en) 1987-01-15
EP0087437A1 (en) 1983-09-07
KR880000870B1 (ko) 1988-05-26
EP0087437B1 (en) 1986-11-26
JPS58501401A (ja) 1983-08-18
GB2105499B (en) 1984-10-10
CA1176706A (en) 1984-10-23
US4402039A (en) 1983-08-30
GB2105499A (en) 1983-03-23
WO1983000959A1 (en) 1983-03-17

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