JP6130462B2 - 単相太陽光インバータ - Google Patents
単相太陽光インバータ Download PDFInfo
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- JP6130462B2 JP6130462B2 JP2015202835A JP2015202835A JP6130462B2 JP 6130462 B2 JP6130462 B2 JP 6130462B2 JP 2015202835 A JP2015202835 A JP 2015202835A JP 2015202835 A JP2015202835 A JP 2015202835A JP 6130462 B2 JP6130462 B2 JP 6130462B2
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- 238000002955 isolation Methods 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 description 26
- 238000005259 measurement Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- H02J3/381—Dispersed generators
-
- 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
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc 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
- H02M7/217—Conversion of ac power input into dc 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
- H02M7/219—Conversion of ac power input into dc 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 in a bridge configuration
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
-
- 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
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/123—Suppression of common mode voltage or current
-
- 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
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/1552—Boost converters exploiting the leakage inductance of a transformer or of an alternator as boost inductor
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
Description
100 入力端子
110 第1入力端子
120 第2入力端子
200 インバータ部
300 漏れ電流測定部
311 第1絶縁変圧器
312 第2絶縁変圧器
321 第1変流器
322 第2変流器
331 第1検知ライン
332 第2検知ライン
400 リアクタ
500 ブースタースイッチ部
600 ダイオード部
700 コンデンサ部
Claims (3)
- 単相太陽光モジュールから供給される直流電力を交流電力に変換する単相太陽光インバータにおいて、
前記単相太陽光モジュールの正極性に接続される第1入力端子及び前記単相太陽光モジュールの負極性に接続される第2入力端子を含む入力端子と、
前記入力端子を介して供給される直流電力を交流電力に変換して系統に供給するインバータ部と、
一端が前記第1入力端子に接続され、他端が前記第2入力端子に接続され、前記入力端子を介して流れる漏れ電流を測定する漏れ電流測定部とを含み、
前記漏れ電流測定部は、
一次巻線の一端が前記第1入力端子に接続され、前記一次巻線の他端が接地に接続され、二次巻線の一端が第1変流器に接続され、前記二次巻線の他端が接地に接続され、前記第1入力端子から接地に流れる漏れ電流を増幅する第1絶縁変圧器と、
一端が前記第1絶縁変圧器の他端に接続され、他端が前記接地に接続され、前記第1絶縁変圧器で増幅された漏れ電流を測定する前記第1変流器と、
一次巻線の一端が前記第2入力端子に接続され、前記一次巻線の他端が接地に接続され、二次巻線の一端が第2変流器に接続され、前記二次巻線の他端が接地に接続され、前記第2入力端子から接地に流れる漏れ電流を増幅する第2絶縁変圧器と、
一端が前記第2絶縁変圧器の他端に接続され、他端が前記接地に接続され、前記第2絶縁変圧器で増幅された漏れ電流を測定する前記第2変流器と、
前記第1変流器で測定された漏れ電流をコントローラに送る第1検知ラインと、
前記第2変流器で測定された漏れ電流を前記コントローラに送る第2検知ラインとを含む、単相太陽光インバータ。 - 前記第1絶縁変圧器又は前記第2絶縁変圧器は、数VAの小容量絶縁変圧器であり、コイルを予め設定されたNターン(Nは自然数)巻回して製造される、請求項1に記載の単相太陽光インバータ。
- 一端が前記第1入力端子及び前記漏れ電流測定部の一端に接続され、他端がブースタースイッチ部及びダイオード部に接続されるリアクタと、
一端が前記リアクタの他端及び前記ダイオード部の一端に接続され、他端が前記第2入力端子、前記漏れ電流測定部の他端、コンデンサ部の他端、及び前記インバータ部の他端に接続される前記ブースタースイッチ部と、
一端が前記リアクタの他端及び前記ブースタースイッチ部の一端に接続され、他端が前記コンデンサ部の一端及び前記インバータ部の一端に接続される前記ダイオード部と、
一端が前記ダイオード部の他端及び前記インバータ部の一端に接続され、他端が前記第2入力端子、前記漏れ電流測定部の他端、前記ブースタースイッチ部の他端、及び前記インバータ部の他端に接続される前記コンデンサ部とをさらに含む、請求項1に記載の単相太陽光インバータ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0139264 | 2014-10-15 | ||
KR1020140139264A KR101842921B1 (ko) | 2014-10-15 | 2014-10-15 | 단상 태양광 인버터 및 그의 제어 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016082873A JP2016082873A (ja) | 2016-05-16 |
JP6130462B2 true JP6130462B2 (ja) | 2017-05-17 |
Family
ID=54288710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015202835A Active JP6130462B2 (ja) | 2014-10-15 | 2015-10-14 | 単相太陽光インバータ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9866142B2 (ja) |
EP (1) | EP3010134B1 (ja) |
JP (1) | JP6130462B2 (ja) |
KR (1) | KR101842921B1 (ja) |
CN (1) | CN105529945B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102344767B1 (ko) * | 2019-11-11 | 2021-12-29 | 주식회사 하이솔루션 | 태양전지모듈 누전 감지시스템 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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SU496612A1 (ru) * | 1973-07-30 | 1975-12-25 | Каскадный трансформатор тока | |
US6282104B1 (en) * | 2000-03-14 | 2001-08-28 | Applied Power Corporation | DC injection and even harmonics control system |
JP2002233045A (ja) | 2001-02-02 | 2002-08-16 | Canon Inc | 太陽光発電システムの地絡検出のための装置及び方法 |
JP2006170677A (ja) | 2004-12-14 | 2006-06-29 | Yaskawa Electric Corp | インバータ装置の地絡検出回路 |
JP2008178158A (ja) * | 2007-01-16 | 2008-07-31 | Mitsubishi Electric Corp | 電力変換装置 |
US8405940B2 (en) * | 2009-10-13 | 2013-03-26 | Schweitzer Engineering Laboratories Inc | Systems and methods for generator ground fault protection |
DE102010036514A1 (de) | 2010-07-20 | 2012-01-26 | Sma Solar Technology Ag | Vorrichtung und Verfahren zur Überwachung einer Photovoltaikanlage |
CN102012475A (zh) | 2010-11-03 | 2011-04-13 | 苏州合欣美电子科技有限公司 | 一种电路漏电电流检测电路 |
CN102136736B (zh) | 2011-02-24 | 2013-04-17 | 复旦大学 | 一种抑制和消除无变压器光伏并网系统漏电流的方法和装置 |
DE102011050590A1 (de) * | 2011-05-24 | 2012-11-29 | Sma Solar Technology Ag | Isolationsüberwachung mit einem Prüfsignal variabler Frequenz |
KR101223026B1 (ko) | 2011-07-15 | 2013-01-17 | 카코뉴에너지 주식회사 | 태양광 인버터 및 그 제어방법 |
-
2014
- 2014-10-15 KR KR1020140139264A patent/KR101842921B1/ko active IP Right Grant
-
2015
- 2015-10-02 US US14/874,245 patent/US9866142B2/en active Active
- 2015-10-08 EP EP15188906.0A patent/EP3010134B1/en not_active Not-in-force
- 2015-10-14 CN CN201510824014.XA patent/CN105529945B/zh active Active
- 2015-10-14 JP JP2015202835A patent/JP6130462B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN105529945B (zh) | 2018-05-29 |
KR20160044347A (ko) | 2016-04-25 |
EP3010134B1 (en) | 2021-01-13 |
JP2016082873A (ja) | 2016-05-16 |
CN105529945A (zh) | 2016-04-27 |
US9866142B2 (en) | 2018-01-09 |
KR101842921B1 (ko) | 2018-03-29 |
EP3010134A1 (en) | 2016-04-20 |
US20160111974A1 (en) | 2016-04-21 |
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