CN109638795B - 组串式光伏逆变***急停控制方法及装置 - Google Patents
组串式光伏逆变***急停控制方法及装置 Download PDFInfo
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- CN109638795B CN109638795B CN201910039669.4A CN201910039669A CN109638795B CN 109638795 B CN109638795 B CN 109638795B CN 201910039669 A CN201910039669 A CN 201910039669A CN 109638795 B CN109638795 B CN 109638795B
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- switch
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- controller
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000004590 computer program Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
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Classifications
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- 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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H02J3/383—
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- 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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- Direct Current Feeding And Distribution (AREA)
- Inverter Devices (AREA)
Abstract
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CN201910039669.4A CN109638795B (zh) | 2019-01-16 | 2019-01-16 | 组串式光伏逆变***急停控制方法及装置 |
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CN201910039669.4A CN109638795B (zh) | 2019-01-16 | 2019-01-16 | 组串式光伏逆变***急停控制方法及装置 |
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CN109638795A CN109638795A (zh) | 2019-04-16 |
CN109638795B true CN109638795B (zh) | 2020-07-24 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3979450A1 (en) * | 2020-10-05 | 2022-04-06 | Fronius International GmbH | Photovoltaic system |
CN113608145B (zh) * | 2021-07-14 | 2023-04-11 | 厦门科华数能科技有限公司 | 多路光伏组件接地故障检测装置及检测方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100635480B1 (ko) * | 2004-08-23 | 2006-10-17 | 한국전기연구원 | 리클로져의 동작 특성을 고려한 소규모 분산형 전원의계통연계 보호 방법 |
CN202817788U (zh) * | 2012-08-16 | 2013-03-20 | 阳光电源股份有限公司 | 光伏并网发电*** |
CN203645346U (zh) * | 2013-12-26 | 2014-06-11 | 常熟开关制造有限公司(原常熟开关厂) | 一种光伏发电逆变器 |
CN204145328U (zh) * | 2014-08-12 | 2015-02-04 | 比亚迪股份有限公司 | 光伏逆变器和光伏逆变*** |
CN104362843B (zh) * | 2014-10-24 | 2017-06-13 | 阳光电源股份有限公司 | 并联逆变***及其停机控制方法和停机控制装置 |
CN104410266B (zh) * | 2014-12-18 | 2017-04-19 | 阳光电源股份有限公司 | 五电平逆变器的停机控制方法和停机控制装置 |
CN105846758A (zh) * | 2015-01-16 | 2016-08-10 | 台达电子工业股份有限公司 | 光伏发电***及关断装置 |
JP6153663B1 (ja) * | 2015-11-20 | 2017-06-28 | 田淵電機株式会社 | リレーの異常検出装置及びパワーコンディショナ |
CN107769242A (zh) * | 2016-08-23 | 2018-03-06 | 台达电子企业管理(上海)有限公司 | 光伏发电***及其关断方法 |
CN106533148B (zh) * | 2016-12-20 | 2019-07-09 | 北京天诚同创电气有限公司 | 具有急停功能的光伏逆变器以及用于其的急停方法 |
CN206775459U (zh) * | 2017-02-28 | 2017-12-19 | 阳光电源股份有限公司 | 一种光伏组件的关断装置及光伏组件关断*** |
CN206759389U (zh) * | 2017-06-07 | 2017-12-15 | 江苏通灵电器股份有限公司 | 应用于光伏发电的快速关断*** |
CN109193789B (zh) * | 2018-10-30 | 2021-12-14 | 泓芯泰业科技(北京)有限公司 | 一种用于光伏发电的逆变装置 |
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Address after: 361000 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee after: Kehua Data Co.,Ltd. Patentee after: ZHANGZHOU KEHUA TECHNOLOGY Co.,Ltd. Address before: 361000 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee before: XIAMEN KEHUAHENGSHENG LIMITED BY SHARE Ltd. Patentee before: ZHANGZHOU KEHUA TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220418 Address after: 361001 room 208-38, Hengye building, No. 100, Xiangxing Road, Xiamen Torch High tech Zone (Xiang'an) Industrial Zone, Xiamen, Fujian Patentee after: Xiamen Kehua shuneng Technology Co.,Ltd. Address before: 361000 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee before: Kehua Data Co.,Ltd. Patentee before: ZHANGZHOU KEHUA TECHNOLOGY Co.,Ltd. |