JP5045772B2 - パワーコンディショナ内のコンデンサ容量抜け検出方法、それを実施するパワーコンディショナおよびそれを備えた太陽光発電システム - Google Patents
パワーコンディショナ内のコンデンサ容量抜け検出方法、それを実施するパワーコンディショナおよびそれを備えた太陽光発電システム Download PDFInfo
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- JP5045772B2 JP5045772B2 JP2010054247A JP2010054247A JP5045772B2 JP 5045772 B2 JP5045772 B2 JP 5045772B2 JP 2010054247 A JP2010054247 A JP 2010054247A JP 2010054247 A JP2010054247 A JP 2010054247A JP 5045772 B2 JP5045772 B2 JP 5045772B2
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- 239000003990 capacitor Substances 0.000 title claims description 123
- 238000001514 detection method Methods 0.000 title claims description 19
- 238000010248 power generation Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 claims description 18
- 239000010409 thin film Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 15
- 238000007599 discharging Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
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
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
-
- 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
- G01R31/64—Testing of capacitors
-
- 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
-
- 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
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/325—Means for protecting converters other than automatic disconnection with means for allowing continuous operation despite a fault, i.e. fault tolerant converters
-
- 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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
-
- 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)
- Dc-Dc Converters (AREA)
- Photovoltaic Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
この第2チョッパ回路6において第2コンデンサ18と第2スイッチ回路との並列接続一端側は、第1チョッパ回路5において第1、第2スイッチ素子10、11の直列接続部に接続されている。その接続点を図中(c)で示す。図中(c)(d)は第2コンデンサ18の両コンデンサ電極側に該当する。
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
Claims (4)
- 太陽電池に並列接続された第1コンデンサと、
第1コンデンサに並列接続された、少なくとも直列接続した2つの第1、第2スイッチ素子からなる第1チョッパ回路と、
第2コンデンサと、少なくとも2つの直列接続した第3、第4スイッチ素子との並列接続からなり、その並列接続一端側が上記第1、第2スイッチ素子の共通接続部に接続された第2チョッパ回路と、
少なくとも2つの直列接続した第5、第6スイッチ素子と、第3コンデンサと、少なくとも2つの直列接続した第7、第8スイッチ素子とを並列接続してなり、上記第5、第6スイッチ素子の並列接続一端側が上記第3、第4スイッチ素子の共通接続部に接続された第3チョッパ回路と、
を含み、太陽電池出力を電力変換して系統側に出力電力を出力するパワーコンディショナにおいて、
上記第2コンデンサと第3コンデンサとのうちの少なくとも一方のコンデンサを容量抜け検出対象としてその容量抜けの検出方法であって、
上記容量抜け検出対象のコンデンサの両端間充電電圧の電圧偏差に基づいて容量抜け有りと検出するステップと、
上記検出した容量抜けが、出力電力の抑制で運転継続可能な容量抜けであれば、出力電力を抑制するステップと、
を含むことを特徴とするパワーコンディショナにおけるコンデンサ容量抜け検出方法。 - さらに、上記容量抜けが、出力電力を抑制しても運転継続可能でない容量抜けであれば、運転を停止するステップを含む、
ことを特徴とする請求項1に記載の方法。 - 太陽電池出力を電力変換して系統側に出力電力を出力するパワーコンディショナであって、
太陽電池に並列接続された第1コンデンサと、
第1コンデンサに並列接続された少なくとも直列接続した2つの第1、第2スイッチ素子からなる第1チョッパ回路と、
第2コンデンサと、少なくとも2つの直列接続した第3、第4スイッチ素子との並列接続からなり、その並列接続一端側が上記両第1、第2スイッチ素子の共通接続部に接続された第2チョッパ回路と、
少なくとも2つの直列接続した第5、第6スイッチ素子と、第3コンデンサと、少なくとも2つの直列接続した第7、第8スイッチ素子とを並列接続してなり、上記第5、第6スイッチ素子の並列接続一端側が上記両第3、第4スイッチ素子の共通接続部に接続されたる第3チョッパ回路と、
を含み、
請求項1または2に記載の方法により第2コンデンサまたは第3コンデンサの容量抜けを検出可能としてある、ことを特徴とする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、上記薄膜太陽電池からの直流電力を、上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、
上記パワーコンディショナに請求項3に記載のパワーコンディショナを用いた、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 |
---|---|---|---|
JP2010054247A JP5045772B2 (ja) | 2010-03-11 | 2010-03-11 | パワーコンディショナ内のコンデンサ容量抜け検出方法、それを実施するパワーコンディショナおよびそれを備えた太陽光発電システム |
EP11151231A EP2367017A3 (en) | 2010-03-11 | 2011-01-18 | Method for detecting capacity leakage of capacitor in power conditioner, power conditioner performing the same, and photovoltaic power system provided with the same |
KR1020110008550A KR101201583B1 (ko) | 2010-03-11 | 2011-01-28 | 파워 컨디셔너 내의 콘덴서 용량 빠짐 검출 방법, 그것을 실시하는 파워 컨디셔너 및 그것을 구비한 태양광 발전 시스템 |
CN201110044933.7A CN102193042B (zh) | 2010-03-11 | 2011-02-23 | 电容器电容量减退检测方法、功率调节器和太阳能发电系统 |
US13/035,464 US20110221281A1 (en) | 2010-03-11 | 2011-02-25 | Method for detecting capacity leakage of capacitor in power conditioner, power conditioner performing the same, and photovoltaic power system provided with the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010054247A JP5045772B2 (ja) | 2010-03-11 | 2010-03-11 | パワーコンディショナ内のコンデンサ容量抜け検出方法、それを実施するパワーコンディショナおよびそれを備えた太陽光発電システム |
Publications (2)
Publication Number | Publication Date |
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JP2011188705A JP2011188705A (ja) | 2011-09-22 |
JP5045772B2 true JP5045772B2 (ja) | 2012-10-10 |
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JP2010054247A Expired - Fee Related JP5045772B2 (ja) | 2010-03-11 | 2010-03-11 | パワーコンディショナ内のコンデンサ容量抜け検出方法、それを実施するパワーコンディショナおよびそれを備えた太陽光発電システム |
Country Status (5)
Country | Link |
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US (1) | US20110221281A1 (ja) |
EP (1) | EP2367017A3 (ja) |
JP (1) | JP5045772B2 (ja) |
KR (1) | KR101201583B1 (ja) |
CN (1) | CN102193042B (ja) |
Families Citing this family (12)
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PT106074B (pt) * | 2011-12-27 | 2014-01-31 | Americo Vicente Teixeira Leite | Traçador de curvas corrente-tensão de módulos e fileiras de módulos fotovoltaicos |
JP5642316B2 (ja) * | 2012-03-23 | 2014-12-17 | 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 |
KR101667833B1 (ko) | 2012-07-26 | 2016-10-19 | 엘에스산전 주식회사 | 인버터에서 직류단 커패시터의 용량 추정장치 |
JP2014192443A (ja) * | 2013-03-28 | 2014-10-06 | Suntech Power Japan Corp | 直流高電圧印加装置 |
DE102013112538B4 (de) * | 2013-11-14 | 2018-04-05 | Sma Solar Technology Ag | Verfahren und Wechselrichter zum Bestimmen von Kapazitätswerten von Kapazitäten einer Energieversorgungsanlage |
CN104868764B (zh) * | 2014-02-26 | 2017-08-04 | 全汉企业股份有限公司 | 逆变装置及其电源转换方法 |
KR101403868B1 (ko) * | 2014-05-08 | 2014-06-30 | (주)엔지피 | 정현파 펄스 폭 변조 승압 초퍼를 이용한 태양광 발전용 파워 컨디셔너 |
US9812867B2 (en) | 2015-06-12 | 2017-11-07 | Black Night Enterprises, Inc. | Capacitor enhanced multi-element photovoltaic cell |
CN105932743A (zh) * | 2016-06-14 | 2016-09-07 | 观致汽车有限公司 | 电池管理系统、逆变器、电动车辆及逆变器功率调节方法 |
KR102623951B1 (ko) * | 2016-10-06 | 2024-01-10 | 한국전기연구원 | 커패시터 검사 시스템 |
US11215680B2 (en) * | 2017-08-24 | 2022-01-04 | Fuji Corporation | Capacitor charging performance monitoring system of production machine |
DE102017129083A1 (de) * | 2017-12-06 | 2019-06-06 | Sma Solar Technology Ag | Fehlabschaltsicheres Betriebsverfahren für eine dezentrale Energieerzeugungsanlage |
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JP2001161032A (ja) * | 1999-12-01 | 2001-06-12 | Canon Inc | 系統連系パワーコンディショナ及びそれを用いた発電システム |
JP2002252986A (ja) * | 2001-02-26 | 2002-09-06 | Canon Inc | インバータ、電源システム及び電源システムにおける漏れ電流低減方法 |
DE10134976A1 (de) * | 2001-07-24 | 2003-02-06 | Philips Corp Intellectual Pty | Verbesserter Netzteileingangsschaltkreis hinsichtlich Netzstörungen |
US7295016B2 (en) * | 2004-06-18 | 2007-11-13 | Kokusan Denki Co., Ltd. | Electric leakage detection system |
JP4195458B2 (ja) | 2005-05-27 | 2008-12-10 | 株式会社きんでん | インバータ回路診断装置 |
JP2007252057A (ja) | 2006-03-15 | 2007-09-27 | Hisahiro Sasaki | インバータ診断装置 |
JP4968465B2 (ja) * | 2007-07-18 | 2012-07-04 | 三菱電機株式会社 | 電力変換装置 |
JP4888657B2 (ja) | 2007-09-06 | 2012-02-29 | 三菱自動車工業株式会社 | 電気自動車 |
CA2718937C (en) * | 2008-03-20 | 2014-07-29 | Abb Research Ltd. | A voltage source converter |
JP5398162B2 (ja) * | 2008-03-31 | 2014-01-29 | 三菱電機株式会社 | 系統連系インバータ装置 |
JP2010011702A (ja) * | 2008-06-30 | 2010-01-14 | Mitsubishi Electric Corp | 電力変換装置 |
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 |
JP4911733B2 (ja) * | 2009-03-13 | 2012-04-04 | オムロン株式会社 | 電力変換装置、パワーコンディショナ、および発電システム |
-
2010
- 2010-03-11 JP JP2010054247A patent/JP5045772B2/ja not_active Expired - Fee Related
-
2011
- 2011-01-18 EP EP11151231A patent/EP2367017A3/en not_active Withdrawn
- 2011-01-28 KR KR1020110008550A patent/KR101201583B1/ko active IP Right Grant
- 2011-02-23 CN CN201110044933.7A patent/CN102193042B/zh not_active Expired - Fee Related
- 2011-02-25 US US13/035,464 patent/US20110221281A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20110221281A1 (en) | 2011-09-15 |
EP2367017A2 (en) | 2011-09-21 |
CN102193042A (zh) | 2011-09-21 |
JP2011188705A (ja) | 2011-09-22 |
CN102193042B (zh) | 2014-01-15 |
KR20110102815A (ko) | 2011-09-19 |
KR101201583B1 (ko) | 2012-11-14 |
EP2367017A3 (en) | 2012-09-12 |
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