JP5163673B2 - 制御回路、この制御回路を備えるパワーコンディショナ、ならびに太陽光発電システム - Google Patents
制御回路、この制御回路を備えるパワーコンディショナ、ならびに太陽光発電システム Download PDFInfo
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- JP5163673B2 JP5163673B2 JP2010054246A JP2010054246A JP5163673B2 JP 5163673 B2 JP5163673 B2 JP 5163673B2 JP 2010054246 A JP2010054246 A JP 2010054246A JP 2010054246 A JP2010054246 A JP 2010054246A JP 5163673 B2 JP5163673 B2 JP 5163673B2
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- 238000010248 power generation Methods 0.000 title claims description 17
- 239000003990 capacitor Substances 0.000 claims description 99
- 238000005259 measurement Methods 0.000 claims description 30
- 239000010409 thin film Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 101100112673 Rattus norvegicus Ccnd2 gene Proteins 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Classifications
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/49—Combination of the output voltage waveforms of a plurality of converters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
- G05F1/67—Regulating electric power to the maximum power available from a generator, e.g. from solar cell
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0095—Hybrid converter topologies, e.g. NPC mixed with flying capacitor, thyristor converter mixed with MMC or charge pump mixed with buck
-
- 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
-
- 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
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
-
- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45594—Indexing scheme relating to differential amplifiers the IC comprising one or more resistors, which are not biasing resistor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45604—Indexing scheme relating to differential amplifiers the IC comprising a input shunting resistor
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Dc-Dc Converters (AREA)
- Amplifiers (AREA)
- Control Of Electrical Variables (AREA)
Description
好ましい態様は、前記制御回路部は、前記同相誤差を、前記差動増幅回路を構成する抵抗の抵抗値と前記コンデンサの充電により昇圧変化する前記コンデンサの一方電極とグランドとの間電圧とに基づいて得られる同相誤差補正量によりキャンセルすることで前記校正を行うことである。
さらに、前記第1ないし第8スイッチ素子のON/OFFを制御する制御回路を具備し、前記制御回路は、前記各コンデンサそれぞれの両端間電圧を計測する計測回路部と、前記計測回路部の計測出力から所定の制御動作を行う制御回路部と、を含み、前記計測回路部は、前記各コンデンサそれぞれの両端間電圧を差動増幅する差動増幅回路を含み、前記制御回路部は、前記差動増幅回路出力中の同相成分を同相誤差として校正すると共に、前記校正した各差動増幅回路からの計測出力により前記制御を行うようになっている。
ここで、Vは、系統電源の電圧Vsの実効値である。
上記式(1)において差動成分を(Vin2−Vin1)=Vd2とし、同相成分をVin2とすると、上記式(1)は第2コンデンサ18の両端間電圧Vd2の計測が目的であるので、差動成分と同相成分とに分離すると、次式(2)を得ることができる。
ここで、第1項(Vin2−Vin1)*R2/R1が差動成分であり、第2項Vin2*(R1*R4−R2*R3)/{R1*(R3+R4)}が同相成分(同相誤差と称する)であり、第3項Vout‐offsetが差動増幅回路9a2固有のオフセット値である。
2 商用電源
3 パワーコンディショナ
5 第1チョッパ回路
6 第2チョッパ回路
7 第3チョッパ回路
9 制御回路
9a 計測回路部
9a1−9a3 差動増幅回路
9b 制御回路部
10〜17 第1〜第8スイッチ素子
Claims (5)
- 入力を交流出力に変換するべく設けられたコンデンサの両端間電圧を計測する計測回路部と、
前記コンデンサを介して得られる出力が前記計測回路部の計測出力に基づいて正弦波交流出力へ変換生成されるように前記コンデンサの充放電を制御する制御動作を行う制御回路部と、
を含み、
前記計測回路部は、前記コンデンサの両端間電圧を差動増幅する差動増幅回路を含み、
前記制御回路部は、前記コンデンサの充電期間中における該コンデンサの両端子間電圧と前記差動増幅回路の出力電圧との差分を前記差動増幅回路出力中の同相誤差として該差分のキャンセルを図るべく校正すると共に、前記校正した当該差動増幅回路からの計測出力により前記制御を行うようになっている、
ことを特徴とする制御回路。 - 前記制御回路部は、前記同相誤差を、前記差動増幅回路を構成する抵抗の抵抗値と前記コンデンサの充電により昇圧変化する前記コンデンサの一方電極とグランドとの間電圧とに基づいて得られる同相誤差補正量によりキャンセルすることで前記校正を行う、請求項1に記載の制御回路。
- 少なくとも2つのスイッチ素子を直列に接続してなるチョッパ回路と、チョッパ回路に並列接続されたコンデンサと、このチョッパ回路内のスイッチ素子のON/OFFを制御して前記コンデンサの充放電を制御する制御回路と、を含むパワーコンディショナであって、
前記制御回路を、前記請求項1または2に記載の制御回路により構成した、ことを特徴とするパワーコンディショナ。 - 前記差動増幅回路への少なくとも2つの入力のうちの一方は、チョッパ回路内の一方のスイッチ素子のON期間に該スイッチ素子を介してコンデンサに、その一方コンデンサ電極から直流電圧を充電させる場合の該一方コンデンサ電極のグランドからの電圧であり、同他方は、他方コンデンサ電極の同グランドからの電圧である、請求項3に記載のパワーコンディショナ。
- 薄膜太陽電池と、該薄膜太陽電池と商用電源との間に配されて、前記薄膜太陽電池からの直流電力を、前記商用電源に系統連系した交流電力に、変換して出力するパワーコンディショナとを備える太陽光発電システムであって、
前記パワーコンディショナは、請求項3または4に記載のパワーコンディショナである、ことを特徴とする太陽光発電システム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010054246A JP5163673B2 (ja) | 2010-03-11 | 2010-03-11 | 制御回路、この制御回路を備えるパワーコンディショナ、ならびに太陽光発電システム |
EP11153476.4A EP2365625B1 (en) | 2010-03-11 | 2011-02-07 | Control circuit, power conditioner including the control circuit, and photovoltaic system |
KR1020110010908A KR101246398B1 (ko) | 2010-03-11 | 2011-02-08 | 제어 회로, 이 제어 회로를 구비하는 파워 컨디셔너, 및 태양광 발전 시스템 |
US13/028,681 US8542504B2 (en) | 2010-03-11 | 2011-02-16 | Control circuit, power conditioner including the control circuit, and photovoltaic system |
CN201110047702.1A CN102195290B (zh) | 2010-03-11 | 2011-02-28 | 控制电路、包括控制电路的功率调节器、太阳光发电系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010054246A JP5163673B2 (ja) | 2010-03-11 | 2010-03-11 | 制御回路、この制御回路を備えるパワーコンディショナ、ならびに太陽光発電システム |
Publications (2)
Publication Number | Publication Date |
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JP2011188704A JP2011188704A (ja) | 2011-09-22 |
JP5163673B2 true JP5163673B2 (ja) | 2013-03-13 |
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JP2010054246A Active JP5163673B2 (ja) | 2010-03-11 | 2010-03-11 | 制御回路、この制御回路を備えるパワーコンディショナ、ならびに太陽光発電システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US8542504B2 (ja) |
EP (1) | EP2365625B1 (ja) |
JP (1) | JP5163673B2 (ja) |
KR (1) | KR101246398B1 (ja) |
CN (1) | CN102195290B (ja) |
Families Citing this family (4)
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WO2013140611A1 (ja) * | 2012-03-23 | 2013-09-26 | 三菱電機株式会社 | パワーコンディショナ、及び太陽光発電システム |
JP5963531B2 (ja) * | 2012-05-15 | 2016-08-03 | オムロン株式会社 | インバータ装置および太陽光発電システム |
DK3011669T3 (da) | 2013-06-17 | 2017-11-13 | Abb Schweiz Ag | Kondensatorkortslutning i en højspændingsomformer |
JP5839011B2 (ja) * | 2013-09-18 | 2016-01-06 | 株式会社デンソー | 電力変換装置、および、これを用いた電動パワーステアリング装置 |
Family Cites Families (15)
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US5424677A (en) * | 1994-07-01 | 1995-06-13 | Fluke Corporation | Common mode error correction for differential amplifiers |
GB2294821A (en) * | 1994-11-04 | 1996-05-08 | Gec Alsthom Ltd | Multilevel converter |
US5642275A (en) * | 1995-09-14 | 1997-06-24 | Lockheed Martin Energy System, Inc. | Multilevel cascade voltage source inverter with seperate DC sources |
SG68589A1 (en) * | 1995-09-27 | 1999-11-16 | At & T Corp | Differential amplifier circuit for use in a read channel for a magnetic recording system |
JP3874217B2 (ja) * | 1997-10-13 | 2007-01-31 | ソニー株式会社 | 指紋読取り装置及びその方法 |
JP3941346B2 (ja) | 2000-06-16 | 2007-07-04 | オムロン株式会社 | 太陽光発電システムにおけるパワーコンディショナ |
US6854076B2 (en) * | 2001-04-03 | 2005-02-08 | Texas Instruments Incorporated | Method and apparatus for calibration of an electronic device |
JP2002354677A (ja) | 2001-05-28 | 2002-12-06 | Japan Storage Battery Co Ltd | 太陽光発電用パワーコンディショナ |
JP3979278B2 (ja) | 2002-11-29 | 2007-09-19 | 松下電工株式会社 | 系統連系インバータ装置 |
DE102005041825A1 (de) * | 2005-09-02 | 2007-03-15 | Siemens Ag | Regelvorrichtung für eine dreiphasige Drehstrommaschine |
JP4661524B2 (ja) | 2005-10-26 | 2011-03-30 | Tdk株式会社 | Dc−dcコンバータとその制御方法 |
JP4762824B2 (ja) * | 2006-08-10 | 2011-08-31 | 株式会社豊田中央研究所 | 電力変換回路 |
JP5040013B2 (ja) | 2007-09-06 | 2012-10-03 | 三菱自動車工業株式会社 | 車両の旋回挙動制御装置 |
EP2148417B1 (de) * | 2008-07-22 | 2018-01-10 | SMA Solar Technology AG | Wechselrichterschaltungsanordnung für einen Photovoltaikgenerator mit mehreren eingangs seriell geschalteten Stromrichtern |
JP4888817B2 (ja) | 2009-03-13 | 2012-02-29 | オムロン株式会社 | パワーコンディショナおよび太陽光発電システム |
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2010
- 2010-03-11 JP JP2010054246A patent/JP5163673B2/ja active Active
-
2011
- 2011-02-07 EP EP11153476.4A patent/EP2365625B1/en active Active
- 2011-02-08 KR KR1020110010908A patent/KR101246398B1/ko active IP Right Grant
- 2011-02-16 US US13/028,681 patent/US8542504B2/en active Active
- 2011-02-28 CN CN201110047702.1A patent/CN102195290B/zh active Active
Also Published As
Publication number | Publication date |
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US20110222324A1 (en) | 2011-09-15 |
CN102195290A (zh) | 2011-09-21 |
KR20110102817A (ko) | 2011-09-19 |
EP2365625B1 (en) | 2020-04-08 |
CN102195290B (zh) | 2014-04-23 |
KR101246398B1 (ko) | 2013-03-21 |
JP2011188704A (ja) | 2011-09-22 |
EP2365625A2 (en) | 2011-09-14 |
EP2365625A3 (en) | 2013-12-04 |
US8542504B2 (en) | 2013-09-24 |
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