KR930015273A - Uninterruptible power supply - Google Patents

Uninterruptible power supply Download PDF

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Publication number
KR930015273A
KR930015273A KR1019910024931A KR910024931A KR930015273A KR 930015273 A KR930015273 A KR 930015273A KR 1019910024931 A KR1019910024931 A KR 1019910024931A KR 910024931 A KR910024931 A KR 910024931A KR 930015273 A KR930015273 A KR 930015273A
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KR
South Korea
Prior art keywords
circuit
output terminal
power supply
pulse width
signal shaping
Prior art date
Application number
KR1019910024931A
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Korean (ko)
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KR940003345B1 (en
Inventor
이덕호
Original Assignee
황선두
삼성전기 주식회사
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.)
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Application filed by 황선두, 삼성전기 주식회사 filed Critical 황선두
Priority to KR1019910024931A priority Critical patent/KR940003345B1/en
Publication of KR930015273A publication Critical patent/KR930015273A/en
Application granted granted Critical
Publication of KR940003345B1 publication Critical patent/KR940003345B1/en

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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
    • H02M1/16—Means for providing current step on switching, e.g. with saturable reactor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Inverter Devices (AREA)

Abstract

내용 없음No content

Description

무정전 전원 공급장치Uninterruptible power supply

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래의 무정전 전원장치의 블럭도.1 is a block diagram of a conventional uninterruptible power supply.

제2도는 이 발명에 따른 무정전 전원공급장치의 블럭도.2 is a block diagram of an uninterruptible power supply according to the present invention.

제3도는 이 발명에 따른 무정전 전원공급장치의 상세회로도.3 is a detailed circuit diagram of an uninterruptible power supply according to the present invention.

제4도는 이 발명에 따른 각단의 입출력 파형도이다.4 is an input / output waveform diagram of each stage according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 트랜스 20 : 신호정형회로10: transformer 20: signal shaping circuit

21 : 버퍼 22 : 게인조정부21: Buffer 22: Gain Adjuster

23 : 제1발진부 24 : 증폭회로23: first oscillator 24: amplification circuit

30 : 위상동기 루프회로 31 : 제2발진부30: phase locked loop circuit 31: second oscillator

32 : 비교회로 33 : 플립플롭32: comparison circuit 33: flip-flop

34 : 펄스폭 변조회로 35 : 드라이브회로34 pulse width modulation circuit 35 drive circuit

40 : 제어부 50 : 인버터40: control unit 50: inverter

OP1,OP2 : 연산증폭기 OP3 : 제1비교기OP1, OP2: Operational Amplifier OP3: First Comparator

OP4 : 제2비교기 R1~R11 : 저항OP4: 2nd comparator R1 ~ R11: resistance

Claims (4)

무정전 전원공급장치에 있어서, 트랜스(10)의 출력단에 연결되어 출력이득을 조정하고, 사인파형과 이득전압을 증폭하여 전압정보를 개선하는 신호정형회로(２0)와, 상기 신호정형회로（20)의 출력단에 연결되어 톱니파 신호와 조합하여 펄스폭을 변조하고, 인버터에 인가되는 신호를 개선시키는 위상동기 루프회로(30)로 이루어진 제어부(40)를 포함하는 무정전 전원 공급장치.In an uninterruptible power supply, a signal shaping circuit 20 is connected to an output terminal of a transformer 10 to adjust output gain, amplify a sine waveform and a gain voltage to improve voltage information, and the signal shaping circuit 20. An uninterruptible power supply including a control unit (40) connected to an output terminal of the phase synchronization loop circuit (30) for modulating a pulse width in combination with a sawtooth signal and improving a signal applied to an inverter. 제1항에 있어서, 상기 신호정형회로(20)는, 트랜스(20)의 출력단에 연결되어 전압을 안정되게 통과시키는 버퍼(21)와, 상기 게인조정부(22) 및 사인파를 발생하는 게인조정부(22)와, 상기 게인조정부(22) 및 사인파를 발생하는 제1발진부(22)의 출력단에 연결되어 신호를 증폭하는 증폭회로(24)를 포함하는 무정전 전원공급장치.The signal shaping circuit (20) of claim 1, wherein the signal shaping circuit (20) includes: a buffer (21) connected to an output terminal of the transformer (20) for stably passing a voltage, the gain adjusting section (22) and a gain adjusting section for generating a sine wave ( 22) and an amplifying circuit (24) connected to the output of the gain adjusting section (22) and the first oscillating section (22) for generating a sine wave to amplify the signal. 제1항에 있어서, 상기 위상동기 루프회로(30)는, 톱니파를 발생하는 제2발진부(31)와, 상기 제2발진부(31) 및 신호정형회로(20)인 증폭회로(24)의 출력단에 연결되고, 비교회로(31) 및 플립플롭(33)으로 이루어져 사인파를 펄스로 변화시키는 펄스폭 변조회로(34)와, 상기 펄스폭 변조회로(34)의 출력단에 연결되어 인버터(50)에 개선된 사인파를 제공하는 드라이브회로(35)를 포함하는 무정전 전원공급장치.The output stage of the amplifier circuit 24 according to claim 1, wherein the phase-locked loop circuit 30 is a second oscillation unit 31 for generating a sawtooth wave, the second oscillation unit 31, and a signal shaping circuit 20. A pulse width modulation circuit 34 which is composed of a comparison circuit 31 and a flip-flop 33 and converts a sine wave into pulses, and is connected to an output terminal of the pulse width modulation circuit 34 to an inverter 50. Uninterruptible power supply comprising a drive circuit (35) for providing an improved sine wave. 제3항에 있어서, 상기 펄스폭 변조회로(34)는, 비교회로(32)의 제1 및 제2비교기(OP3), (OP4) 입력단에는 제2발진부(31) 및 신호정형회로(20)안 증폭회로(24)출력단이 연결되며, 상기 비교회로(32)의 출력단은 전원(Vcc)이 인가된 저항(R10), (R11)을 통해 플립플롭(33)에 연결하여서 된 무정전 전원공급장치.4. The pulse width modulation circuit 34 of claim 3, wherein the pulse width modulation circuit 34 includes a second oscillator 31 and a signal shaping circuit 20 at input terminals of the first and second comparators OP3 and OP4 of the comparison circuit 32. The output terminal of the amplification circuit 24 is connected, and the output terminal of the comparison circuit 32 is connected to the flip-flop 33 through the resistors R10 and R11 to which the power supply Vcc is applied. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910024931A 1991-12-28 1991-12-28 U.p.s. KR940003345B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910024931A KR940003345B1 (en) 1991-12-28 1991-12-28 U.p.s.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910024931A KR940003345B1 (en) 1991-12-28 1991-12-28 U.p.s.

Publications (2)

Publication Number Publication Date
KR930015273A true KR930015273A (en) 1993-07-24
KR940003345B1 KR940003345B1 (en) 1994-04-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910024931A KR940003345B1 (en) 1991-12-28 1991-12-28 U.p.s.

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200486206Y1 (en) * 2013-06-28 2018-04-16 주식회사 종근당 Container assembly with means for accommodating cleaning member

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KR940003345B1 (en) 1994-04-20

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