KR970008776A - 인버터의 제어 장치 및 그런 제어 장치를 이용한 발전 시스템 - Google Patents

인버터의 제어 장치 및 그런 제어 장치를 이용한 발전 시스템 Download PDF

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Publication number
KR970008776A
KR970008776A KR1019960030244A KR19960030244A KR970008776A KR 970008776 A KR970008776 A KR 970008776A KR 1019960030244 A KR1019960030244 A KR 1019960030244A KR 19960030244 A KR19960030244 A KR 19960030244A KR 970008776 A KR970008776 A KR 970008776A
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South Korea
Prior art keywords
inverter
switching
power
gate pulse
switching element
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KR1019960030244A
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English (en)
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KR100263826B1 (ko
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노부요시 다께하라
기미또시 후까에
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미따라이 후지오
캐논 가부시끼가이샤
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    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • H02M7/53—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 triode or transistor type requiring continuous application of a control signal
    • H02M7/537—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H02M7/53871—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
    • H02M7/53873—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current with digital control
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/906—Solar cell systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Control Of Electrical Variables (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

단일 디지털 마이크로프로세서를 사용하고, 어떠한 스위칭 소자나 태양 전지에 대해 서로 하드웨어 설계를 변경하지 않고 전류 제어 및 최대 전력 제어를 실행할 수 있는 값싼 인버터를 제공하기 위하여, 출력 전류 또는 출력 전압 및 기준 신호를 수신하고 스위칭 소자의 스위칭 상태를 반전해야 하는지 아닌지 여부를 판별하기 위한 반전 판별 회로, 및 판전 판별 회로에서 출력되는 반전 요구 신호에 응답하여 스위칭 소자의 스위칭 상태를 변경하기 위한 게이트 펄스신호 형성장치에 의해 구성되는, 스위칭 소자를 사용하여 직류(DC) 전력을 교류(AC) 전력으로 변환시키는 인버터의 제어 회로가 제공된다. 게이트 펄스 신호 형성 장치는, 반전 요구 신호를 인터럽트 제어 신호로 사용하여 인터럽트 처리에 의해 게이트 펄스 신호를 형성하는 CPU를 갖는다.

Description

인버터의 제어 장치 및 그런 제어 장치를 이용한 발전 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 태양력 발전(發電) 시스템의 구성을 설명하기 위한 개략적인 블록 구성도이다, 제2도는 출력 전류값과 전류 명령값 간의 관계를 설명하기 위한 개략적인 설명도이다, 제3도 및 제10도는 각각 본 발명에 따른 태양력 발전 시스템 구성의 일예를 설명하기 위한 개략적인 블록 구성도이다, 제4도는 스위칭 장치의 일예를 설명하기 위한 개략적인 회로도이다.

Claims (5)

  1. 스위칭 소자를 이용하여 직류 전력을 교류 전력으로 변환하고, 상용 전원 시스템에 상기 교류 전력을 역으로 공급하기 위한 인버터의 제어 장치에 있어서, 상기 인버터의 출력 전류 또는 출력 전압을 기정의 기준신호와 비교함으로써, 상기 스위칭 소자의 스위칭 상태를 반전하는지 여부를 판별하기 위한 반전 판별 수단; 및 상기 판별 수단으로부터 출력되는 반전 요구 신호에 응답하여 상기 스위칭 소자의 스위칭 상태를 반전시키기 위한 게이트 펄스 신호 형성 수단을 포함하고, 상기 게이트 펄스 신호 형성 수단은 디지털 CPU를 갖고, 상기 CPU는 상기 반전 요구 신호를 인터럽트 제어 신호로서 수신하고, 상기 인터럽트 제어 진호가 입력된 후, 반전 요구 인터럽트 처리 루틴 내에서 상기 스위칭 소자의 스위칭 상태를 반전시키기 위해 게이트 펄스 신호를 형성하는 것을 특징으로 하는 인버터 제어 장치.
  2. 제1항에 있어서, 상기 게이트 펄스 신호 형성 수단은 상기 스위칭 소자의 스위칭 상태를, 상기 인버터의 출력 전압이 제1의 극성으로 상기 상용 전원 시스템에 인가되는 제1의 상태, 또는 상기 출력 전압이 상기 제1의 극성에 상반되는 극성으로 인가되는 제2의 상태로 반전시키는 것을 특징으로 하는 인버터의 제어 장치.
  3. 제2항에 있어서, 시간 측정 수단을 더 포함하고, 상기 디지털 CPU는 상기 시간 측정 수단의 출력을 기초로 하여 상기 반전 요구 인터럽트 처리 루틴 내에서 이전의 반전 요구와 현 반전 요구 간의 시간 차를 구하고, 상기 시간 차가 기정 시간보다 짧을 경우에는, CPU는 상기 기정 시간에 도달할 때까지 대기하였다가 상기 스위칭 소자의 스위칭 상태 반전을 실행하는 것을 특징으로 하는 인버터의 제어 장치.
  4. 제1항에 따른 제어 장치를 갖는 인버터; 상기 인버터에 직류 전력을 공급하기 위한 태양 전지; 및 상기 인버터의 부가 시스템으로서 상용 전원 시스템을 포함하고, 상기 태양 전지의 출력 전원은 상기 상용 전원 시스템에 역으로 공급되는 것을 특징으로 하는 태양력 발전 시스템.
  5. 제4항에 있어서, 상기 스위칭 상태를 변경하는 처리 외에, 상기 제어 장치의 디지털 CPU는 또한 태양전지로부터 최대 전력을 뽑아내기 위해 태양 전지의 동작 전압을 제어하는 최대 전력 제어 처리를 동시에 실행하는 것을 특징으로 하는 태양력 발전 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960030244A 1995-07-26 1996-07-25 인버터의 제어 장치 및 그런 제어 장치를 이용한 발전 시스템 KR100263826B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-209357 1995-07-26
JP20935795A JP3651972B2 (ja) 1995-07-26 1995-07-26 系統連系インバータの制御装置およびそれを用いた太陽光発電システム

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KR970008776A true KR970008776A (ko) 1997-02-24
KR100263826B1 KR100263826B1 (ko) 2000-08-16

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US (1) US6031736A (ko)
EP (1) EP0756372B1 (ko)
JP (1) JP3651972B2 (ko)
KR (1) KR100263826B1 (ko)
CN (1) CN1049080C (ko)
DE (1) DE69625290T2 (ko)

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EP0756372B1 (en) 2002-12-11
KR100263826B1 (ko) 2000-08-16
CN1146658A (zh) 1997-04-02
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JPH0944261A (ja) 1997-02-14
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