KR920005440A - Dc ac power inverter - Google Patents

Dc ac power inverter Download PDF

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Publication number
KR920005440A
KR920005440A KR1019900012038A KR900012038A KR920005440A KR 920005440 A KR920005440 A KR 920005440A KR 1019900012038 A KR1019900012038 A KR 1019900012038A KR 900012038 A KR900012038 A KR 900012038A KR 920005440 A KR920005440 A KR 920005440A
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Prior art keywords
circuit
signal
switching
output
polarity
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KR1019900012038A
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Korean (ko)
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KR930006388B1 (en
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마사또 고야마
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시기 모리야
미쯔비시덴끼 가부시끼가이샤
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    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/505—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/515—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/525—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency
    • H02M7/527—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with automatic control of output waveform or frequency by pulse width modulation
    • 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
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/25—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M5/27—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency

Abstract

내용 없음No content

Description

제목 직류 교류 전력 변환장치Title dc ac power inverter

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

제1도는 본 발명의 제1실시예를 도시한 블럭도,1 is a block diagram showing a first embodiment of the present invention;

제2도는 본 발명의 각 실시예의 인버터회로, 변압기 및 사이클로 컨버터회로를 도시한 블럭도,2 is a block diagram showing an inverter circuit, a transformer and a cyclo converter circuit of each embodiment of the present invention;

제3도는 본 발명의 제1의 실시예의 인버터 스위칭 회로를 도시한 블럭도.3 is a block diagram showing an inverter switching circuit of the first embodiment of the present invention.

Claims (12)

직류를 교류로 변환하는 인버터회로(14), 주파수를 변환하는 사이클로컨버터회로(15), 입력측이 상기 인버터회로에 접속됨과 동시에 출력측이 상기 사이클로컨버터회로에 접속된 변압기(2A), 상기 사이클로컨버터회로의 출력측에 접속된 필터회로(4), 상기 사이클로컨버터회로의 출력전류를 검출하는 전류검출기(5), 상기 출력전류의 극성을 판별하는 전류극성판별회로(19), 일정주파수의 캐리어신호를 발생하는 캐리어 신호발생기(6A), 캐리어신호에 동기해서 인버터회로로의 ON-OFF신호를 발생하는 인버터스위칭회로(17A), 상기 사이클로컨버터회로가 출력해야 할 교류전압의 기준신호를 출력하는 기준전압신호 발생회로(16), 기준전압신호와 캐리어신호를 입력해서 스위칭신호를 발생하는 스위칭신호발생회로(18A) 및 상기 스위칭신호와 상기 전류극성판별회로의 출력을 입력해서 상기 사이클로컨버터회로로의 ON-OFF신호를 발생하는 사이클로컨버터 스위칭회로(20)을 마련한 직류 교류 전력변환장치.Inverter circuit 14 for converting direct current to alternating current, cycloconverter circuit 15 for converting frequency, transformer 2A having an input side connected to the inverter circuit and an output side connected to the cycloconverter circuit, and the cycloconverter circuit. A filter circuit 4 connected to the output side of the circuit, a current detector 5 for detecting the output current of the cycloconverter circuit, a current polarity discrimination circuit 19 for discriminating the polarity of the output current, and a carrier signal having a constant frequency A carrier signal generator 6A, an inverter switching circuit 17A for generating an ON-OFF signal to the inverter circuit in synchronization with the carrier signal, and a reference voltage signal for outputting a reference signal of an AC voltage to be output by the cycloconverter circuit. Generation circuit 16, switching signal generation circuit 18A for inputting a reference voltage signal and a carrier signal to generate a switching signal and discriminating the switching signal from the current polarity By entering the output to the cyclo converter circuit AC DC power conversion device provided with a converter switching cycle circuit 20 for generating an ON-OFF signal to the. 특허 청구의 범위 제1항에 있어서, 상기 인버터회로(14)는 제1의 반도체 스위칭소자(S1~S4)와 상기 제1의 스위칭소자와 역병렬로 접속된 제1의 다이오드소자(D1~D4)로 구성되는 직류 교류 전력변환장치.2. The first diode device (D) of claim 1, wherein the inverter circuit (14) is connected in reverse parallel with the first semiconductor switching devices (S 1 to S 4 ) and the first switching device. DC power converter consisting of 1 ~ D 4 ). 특허 청구의 범위 제1항에 있어서, 상기 사이클로 컨버터회로(15)는 제2의 반도체 스위칭소자(S5, S5'~S8, S8')와 상기 제2의 반도체 스위칭소자와 역병렬로 접속된 제2의 다이오드소자(D5, D5'~D8, D8')로 구성되는 직류 교류 전력 변환장치.The method of claim 1, wherein the cyclo converter circuit 15 is in parallel with the second semiconductor switching device (S 5 , S 5 '~ S 8 , S 8 ') and the second semiconductor switching device. DC power converter consisting of a second diode element (D 5 , D 5 '~ D 8 , D 8 ') connected by. 특허 청구의 범위 제1항에 있어서, 상기 스위칭신호 발생회로(18A)는 기준전압신호를 절대값 신호로 변환하는 절대값회로(202), 상기 절대값 신호와 캐리어신호를 비교하는 비교기(203), 입력신호의 하강에 동기해서 출력의 극성을 반전시키는 1/2분주기(204, 206)을 포함하는 직류 교류 전력변환회로.2. The switching signal generating circuit 18A is an absolute value circuit 202 for converting a reference voltage signal into an absolute value signal, and a comparator 203 for comparing the absolute value signal with a carrier signal. And a 1/2 divider (204, 206) for inverting the polarity of the output in synchronization with the falling of the input signal. 직류를 교류로 변환하는 인버터회로(14), 주파수를 변환하는 사이클로컨버터회로(15), 입력측이 상기 인버터회로에 접속됨과 동시에 출력측이 상기 사이클로컨버터회로에 접속된 변압기(2A), 상기 사이클로컨버터회로의 출력측에 접속된 필터회로(4), 상기 사이클로컨버터회로의 출력전류를 검출하는 전류검출기(5), 상기 출력전류의 극성을 판별하는 전류극성판별회로(19), 일정주파수의 캐리어신호를 발생하는 캐리어 신호발생기(6B), 캐리어신호에 동기해서 인버터회로로의 ON-OFF신호를 발생하는 인버터스위칭회로(17B), 상기 사이클로컨버터회로가 출력해야 할 교류전압의 기준신호를 출력하는 기준전압신호 발생회로(16), 기준전압신호와 캐리어신호를 입력해서 제1의 스위칭신호(T5q~T8q)를 발생하는 제1의 스위칭발생회로(18B), 상기 제1의 스위칭신호 발생회로(18B)에서 출력된 상기 제1의 스위칭신호(T5q~T8q) 및 극성신호(Vsgn)와 상기 전류극성 판별회로(19)에서 출력된 극성신호(isgn)을 입력하여 제2의 스위칭신호(T5q~T8q)를 발생하는 제2의 스위칭신호발생회로(30) 및 상기 제2의 스위칭신호 발생회로(30)의 제2의 스위칭 신호와 상기 전류극성 판별회로의 극성신호를 입력해서 상기 사이클로 컨버터회로(15)로의 ON-OFF신호를 발생하는 사이클로 컨버터 스위칭회로(20)을 마련한 직류 교류 전력변환장치.Inverter circuit 14 for converting direct current into alternating current, cycloconverter circuit 15 for converting frequency, transformer 2A having an input side connected to the inverter circuit and an output side connected to the cycloconverter circuit, and the cycloconverter circuit. A filter circuit 4 connected to the output side of the circuit, a current detector 5 for detecting the output current of the cycloconverter circuit, a current polarity discrimination circuit 19 for discriminating the polarity of the output current, and a carrier signal having a constant frequency A carrier signal generator 6B, an inverter switching circuit 17B for generating an ON-OFF signal to the inverter circuit in synchronization with a carrier signal, and a reference voltage signal for outputting a reference signal of an AC voltage to be output by the cycloconverter circuit. generating circuit 16, a reference voltage signal with the carrier signal input to the switching signal of the first (T ~ T 5q 8q) generating a first switching circuit (18B) for generating a, the switching signal of the first The switching of the first output from a saenghoe (18B) signal (T 5q ~ T 8q), and to input the polarity signal (Vsgn) and the current polarity discriminating the polarity signal (isgn) output from the circuit 19 of the second The second switching signal of the second switching signal generating circuit 30 and the second switching signal generating circuit 30 and the polarity signal of the current polarity discriminating circuit which generate the switching signals T 5q to T 8q . And a cycloconverter switching circuit (20) for inputting and generating an ON-OFF signal to said cycloconverter circuit (15). 특허 청구의 범위 제5항에 있어서, 상기 인버터회로(14)는 제1의 반도체 스위칭소자(S1~S4)와 상기 제1의 스위칭소자와 역병렬로 접속된 제1의 다이오드소자(D1~D4)로 구성되는 직류 교류 전력변환장치.The inverter circuit 14 is a first diode device (D) connected in reverse parallel with the first semiconductor switching device (S 1 ~ S 4 ) and the first switching device (D). DC power converter consisting of 1 ~ D 4 ). 특허 청구의 범위 제5항에 있어서, 상기 사이클로 컨버터회로(15)는 제2의 반도체 스위칭소자(S5, S5'~S8, S8')와 상기 제2의 반도체 스위칭소자와 역병렬로 접속된 제2의 다이오드소자(D5, D5'~D8, D8')로 구성되는 직류 교류 전력 변환장치.The method of claim 5, wherein the cyclo converter circuit 15 is inversely parallel with the second semiconductor switching device (S 5 , S 5 '~ S 8 , S 8 ') and the second semiconductor switching device. DC power converter consisting of a second diode element (D 5 , D 5 '~ D 8 , D 8 ') connected by. 특허 청구의 범위 제5항에 있어서, 상기 제1의 스위칭신호 발생회로(18B)는 기준전압신호를 절대값신호를 변환하는 절대값회로(302), 상기 절대값신호와 캐리어신호를 비교하는 비교기(303), 입력 신호의 하강에 동기해서 출력신호의 극성을 반전시키는 1/2분주기 (305, 306), 기준전압신호의 극성신호를 출력하는 극성 판별회로(309)을 포함하는 직류 교류 전력 변환장치.6. The first switching signal generating circuit 18B is an absolute value circuit 302 for converting a reference voltage signal to an absolute value signal, and a comparator for comparing the absolute value signal with a carrier signal. 303, 1/2 frequency dividers 305 and 306 for inverting the polarity of the output signal in synchronization with the falling of the input signal, and a polarity discrimination circuit 309 for outputting the polarity signal of the reference voltage signal. Inverter. 특허 청구의 범위 제5항에 있어서, 상기 제2의 스위칭신호 발생회로(30)은 상기 제1의 스위칭신호 발생회로(18B)에서의 극성신호(Vsgn)과 상기 전류극성 판별회로(19)에서 출력된 극성신호(isgn)이 같을 때는 하이레벨의 신호, 다를 때는 로우레벨의 신호를 출력하는 전류전환 모드선택회로(336), 상기 모드선택회로(336)의 출력과 상기 제1의 스위칭 신호 발생회로(18B)의 출력신호를 입력하여 제2의 스위칭신호를 출력하는 신호선택회로(338~340)을 포함하는 직류 교류 전력 변환장치.6. The second switching signal generation circuit 30 is characterized in that the polarity signal Vsgn in the first switching signal generation circuit 18B and the current polarity determination circuit 19 A current switching mode selection circuit 336 for outputting a high level signal when the output polarity signal isgn is the same and a low level signal when the polarity signal isgn is different, and an output of the mode selection circuit 336 and the first switching signal are generated. And a signal selection circuit (338 to 340) for inputting an output signal of the circuit (18B) to output a second switching signal. 특허 충구의 범위 제9항에 있어서, 상기 전류전환 모드선택회로(336)은 배타적 OR회로(350~353)으로 구성되는 직류 교류 전력변환장치.10. The DC alternating current power converter according to claim 9, wherein the current switching mode selection circuit (336) comprises exclusive OR circuits (350 to 353). 특허 청구의 범위 제5항에 있어서, 기준전압신호 발생회로(16A)에서 출력되는 기준신호는 3상 교류의 기준전압신호(Vccu*, Vccu*, Vccw*)인 직류 교류 전력변환장치.The DC alternating current power converter according to claim 5, wherein the reference signal output from the reference voltage signal generating circuit (16A) is a three-phase AC reference voltage signal (Vccu *, Vccu *, Vccw *). 특허 청구의 범위 제5항에 있어서, 상기 필터회로는 3상의 필터회로(4A)안 직류 교류 전력변환장치.6. The direct current alternating current power converter according to claim 5, wherein the filter circuit is a three-phase filter circuit (4A). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900012038A 1989-08-17 1990-08-07 Dc/ac converter KR930006388B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP1-211737 1989-08-17
JP21173789 1989-08-17
JP211737 1989-08-17
JP79627 1990-03-28
JP2079627A JP2582920B2 (en) 1989-08-17 1990-03-28 DC-AC power converter
JP2-79627 1990-03-28

Publications (2)

Publication Number Publication Date
KR920005440A true KR920005440A (en) 1992-03-28
KR930006388B1 KR930006388B1 (en) 1993-07-14

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KR100393855B1 (en) * 2000-07-29 2003-08-09 (주)우선제어 AC Power Conversion Training Devices

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US7483282B2 (en) * 2006-08-29 2009-01-27 Gm Global Technology Operations, Inc. PWM method for cycloconverter
US7599204B2 (en) * 2006-08-29 2009-10-06 Gm Global Technology Operations, Inc. Control scheme providing a freewheeling period in a cyclo-converter and a high frequency inverter
US9548676B2 (en) * 2014-11-13 2017-01-17 Panasonic Intellectual Property Management Co., Ltd. Power conversion apparatus
JP6665722B2 (en) * 2016-07-27 2020-03-13 株式会社豊田自動織機 Isolated bidirectional DC-DC converter

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Publication number Priority date Publication date Assignee Title
KR100393855B1 (en) * 2000-07-29 2003-08-09 (주)우선제어 AC Power Conversion Training Devices

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JP2582920B2 (en) 1997-02-19
KR930006388B1 (en) 1993-07-14
JPH03159574A (en) 1991-07-09

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