JP5542942B2 - 接地装置 - Google Patents
接地装置 Download PDFInfo
- Publication number
- JP5542942B2 JP5542942B2 JP2012529469A JP2012529469A JP5542942B2 JP 5542942 B2 JP5542942 B2 JP 5542942B2 JP 2012529469 A JP2012529469 A JP 2012529469A JP 2012529469 A JP2012529469 A JP 2012529469A JP 5542942 B2 JP5542942 B2 JP 5542942B2
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- JP
- Japan
- Prior art keywords
- current
- ground
- power
- output bus
- grounding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 claims description 18
- 230000002265 prevention Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Images
Classifications
-
- 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
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/02016—Circuit arrangements of general character for the devices
- H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/02021—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
-
- 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
-
- 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)
- Electromagnetism (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sustainable Development (AREA)
- Emergency Protection Circuit Devices (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Description
Claims (4)
- 直流電源と、
前記直流電源の直流電力を直流正側出力母線及び直流負側出力母線を介して入力し交流電力に変換する電力変換器と、
前記電力変換器の出力側に接続された絶縁変圧器と、
前記直流正側出力母線及び前記直流負側出力母線にそれぞれ接続され、その回路に流れる電流が第1の保護設定値を超えたとき前記直流電源と前記電力変換器との間の電路を開放可能にする遮断器と、
前記電力変換器と前記遮断器との間であって、前記直流正側出力母線又は前記直流負側出力母線と対地との間を接続する接地線と、
前記接地線に流れる電流を検出する電流検出器と、
前記接地線の一部に直列に挿入され、前記接地線に流れる電流が前記電流検出器を壊さないような電流検出レベルの第2の保護設定値を超えたとき溶断するヒューズと、
前記電流検出器で検出した電流検出値が第3の保護設定値を超えたとき前記遮断器に対して開放動作指令を与える判定器と、
を具備したことを特徴とする接地装置。 - 前記第1の保護設定値と前記第3の保護設定値が等しいこと
を特徴とする請求項1に記載の接地装置。 - 前記判定器は、前記第3の保護設定値より小さいとき警報を発生すること、
を特徴とする請求項1又は請求項2に記載の接地装置。 - 前記判定器は、誤検出防止のオフセット値を超えないとき前記警報を発生しないこと、
を特徴とする請求項3に記載の接地装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/064090 WO2012023209A1 (ja) | 2010-08-20 | 2010-08-20 | 接地装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012023209A1 JPWO2012023209A1 (ja) | 2013-10-28 |
JP5542942B2 true JP5542942B2 (ja) | 2014-07-09 |
Family
ID=45604881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012529469A Active JP5542942B2 (ja) | 2010-08-20 | 2010-08-20 | 接地装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9257829B2 (ja) |
EP (1) | EP2608341B1 (ja) |
JP (1) | JP5542942B2 (ja) |
CN (1) | CN103081268B (ja) |
ES (1) | ES2620253T3 (ja) |
WO (1) | WO2012023209A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012101340B4 (de) * | 2012-02-20 | 2015-11-19 | Sma Solar Technology Ag | Schutz von Photovoltaikmodulen eines Photovoltaikgenerators vor Überspannungen gegenüber Erde |
US20130222951A1 (en) * | 2012-02-28 | 2013-08-29 | General Electric Company | Fault protection circuit for photovoltaic power system |
US20130271888A1 (en) * | 2012-04-16 | 2013-10-17 | Sma Solar Technology Ag | Photovoltaic System and Apparatus for Operating a Photovoltaic System |
CN102882227B (zh) * | 2012-09-14 | 2015-03-18 | 江苏兆伏新能源有限公司 | 高功率光伏并网逆变器 |
US20140313624A1 (en) * | 2013-04-23 | 2014-10-23 | Chicony Power Technology Co., Ltd. | Solar energy conversion apparatus |
CN103490402A (zh) * | 2013-09-05 | 2014-01-01 | 南京南瑞继保电气有限公司 | 一种光伏组件接地装置、监测装置及监测方法 |
JP6229971B2 (ja) * | 2013-10-18 | 2017-11-15 | パナソニックIpマネジメント株式会社 | 電源供給装置 |
JP6248716B2 (ja) * | 2014-03-12 | 2017-12-20 | オムロン株式会社 | 故障対処装置、および電源システム |
RU181036U1 (ru) * | 2017-07-13 | 2018-07-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Калининградский государственный технический университет" | Устройство заземления нейтрали |
CN110187222B (zh) * | 2019-05-28 | 2022-09-06 | 厦门科华数能科技有限公司 | 母线接线故障检测电路及故障判定方法 |
US20230318485A1 (en) | 2020-10-28 | 2023-10-05 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Electric-power converter |
JP2022169170A (ja) * | 2021-04-27 | 2022-11-09 | 株式会社日立製作所 | 単独運転系統構成装置、単独運転系統構成システム、および単独運転系統構成方法 |
JP2023110653A (ja) * | 2022-01-28 | 2023-08-09 | 株式会社デンソー | 車載電源システム |
WO2024021118A1 (zh) * | 2022-07-29 | 2024-02-01 | 华为数字能源技术有限公司 | 光伏供电***及其控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0412616A (ja) * | 1990-05-02 | 1992-01-17 | Kandenko Co Ltd | 直流回路の地絡検出装置 |
JPH1118279A (ja) * | 1997-06-24 | 1999-01-22 | Harness Sogo Gijutsu Kenkyusho:Kk | 車載電気回路の短絡保護装置 |
JP2000014140A (ja) * | 1998-06-23 | 2000-01-14 | Fujitsu Ten Ltd | 負荷駆動回路の保護装置 |
JP2001298851A (ja) * | 2000-04-17 | 2001-10-26 | Tempearl Ind Co Ltd | 太陽光発電用保護装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001169561A (ja) | 1999-12-02 | 2001-06-22 | Canon Inc | 電力供給装置、制御装置およびその制御方法 |
JP2001275259A (ja) | 2000-03-29 | 2001-10-05 | Canon Inc | 系統連系インバータおよび分散形発電システム |
JP2003098215A (ja) * | 2001-09-26 | 2003-04-03 | Canon Inc | 電力変換システムにおける地絡検出のための装置及び方法 |
JP3884386B2 (ja) * | 2003-01-07 | 2007-02-21 | シャープ株式会社 | 系統連系インバータ装置 |
WO2008061357A1 (en) * | 2006-11-24 | 2008-05-29 | Satcon Power System Canada Ltd. | Ground fault detector interrupter |
WO2008108770A1 (en) * | 2007-03-06 | 2008-09-12 | Xantrex Technology, Inc. | Bipolar dc to ac power converter with dc ground fault interrupt |
US8294296B2 (en) * | 2007-08-03 | 2012-10-23 | Advanced Energy Industries, Inc. | System, method, and apparatus for remotely coupling photovoltaic arrays |
CN201213224Y (zh) * | 2008-07-09 | 2009-03-25 | 芮骏 | 电压互感器过流保护装置 |
EP2296244B1 (de) * | 2009-08-06 | 2015-02-18 | SMA Solar Technology AG | Verfahren und Schaltungsanordnung zum Verbinden mindestens eines Strings einer Photovoltaikanlage mit einem Wechselrichter |
US8564916B2 (en) * | 2010-02-16 | 2013-10-22 | Western Gas And Electric Company | Photovoltaic array ground fault detection method for utility-scale grounded solar electric power generating systems |
US20130222951A1 (en) * | 2012-02-28 | 2013-08-29 | General Electric Company | Fault protection circuit for photovoltaic power system |
-
2010
- 2010-08-20 ES ES10856166.3T patent/ES2620253T3/es active Active
- 2010-08-20 EP EP10856166.3A patent/EP2608341B1/en active Active
- 2010-08-20 JP JP2012529469A patent/JP5542942B2/ja active Active
- 2010-08-20 WO PCT/JP2010/064090 patent/WO2012023209A1/ja active Application Filing
- 2010-08-20 CN CN201080068675.XA patent/CN103081268B/zh active Active
-
2013
- 2013-02-20 US US13/771,997 patent/US9257829B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0412616A (ja) * | 1990-05-02 | 1992-01-17 | Kandenko Co Ltd | 直流回路の地絡検出装置 |
JPH1118279A (ja) * | 1997-06-24 | 1999-01-22 | Harness Sogo Gijutsu Kenkyusho:Kk | 車載電気回路の短絡保護装置 |
JP2000014140A (ja) * | 1998-06-23 | 2000-01-14 | Fujitsu Ten Ltd | 負荷駆動回路の保護装置 |
JP2001298851A (ja) * | 2000-04-17 | 2001-10-26 | Tempearl Ind Co Ltd | 太陽光発電用保護装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2012023209A1 (ja) | 2012-02-23 |
US9257829B2 (en) | 2016-02-09 |
EP2608341A1 (en) | 2013-06-26 |
CN103081268A (zh) | 2013-05-01 |
US20130163133A1 (en) | 2013-06-27 |
ES2620253T3 (es) | 2017-06-28 |
EP2608341B1 (en) | 2017-01-04 |
JPWO2012023209A1 (ja) | 2013-10-28 |
EP2608341A4 (en) | 2014-04-02 |
CN103081268B (zh) | 2016-01-20 |
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