CN104702208B - 大功率光伏逆变器的光伏方阵对地绝缘阻抗在线检测系统 - Google Patents
大功率光伏逆变器的光伏方阵对地绝缘阻抗在线检测系统 Download PDFInfo
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- CN104702208B CN104702208B CN201510069001.6A CN201510069001A CN104702208B CN 104702208 B CN104702208 B CN 104702208B CN 201510069001 A CN201510069001 A CN 201510069001A CN 104702208 B CN104702208 B CN 104702208B
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Classifications
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- 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
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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
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3734386A4 (en) * | 2018-04-02 | 2021-03-17 | Jing-Jin Electric Technologies Co., Ltd | ENGINE CONTROL UNIT INSULATION MONITORING CIRCUIT |
EP3988948A4 (en) * | 2019-09-06 | 2022-08-17 | ZTE Corporation | DISTRIBUTED ISOLATION DETECTION DEVICE FOR MULTI-STAGE DIRECT CURRENT SYSTEM |
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CN105356848B (zh) * | 2015-11-17 | 2018-04-06 | 江苏固德威电源科技股份有限公司 | 多路mppt输入光伏逆变器的绝缘阻抗检测装置及方法 |
DE102015122636B4 (de) * | 2015-12-22 | 2017-07-13 | Sma Solar Technology Ag | Wechselrichter mit Netztrennstelle und Isolationswiderstandsmessung sowie Verfahren zur Messung eines Isolationswiderstandes |
CN106093586B (zh) * | 2016-08-17 | 2022-10-11 | 苏州爱康能源集团股份有限公司 | 光伏汇流箱直流系统绝缘电阻检测系统及其检测方法 |
CN106597103B (zh) * | 2016-12-23 | 2020-05-22 | 阳光电源股份有限公司 | 一种光伏逆变器直流侧绝缘电阻检测方法及控制器 |
CN107748292B (zh) * | 2017-12-05 | 2020-03-24 | 阳光电源股份有限公司 | 一种交流绝缘检测电路、系统及方法 |
CN108279331B (zh) * | 2018-03-21 | 2023-11-10 | 爱士惟科技股份有限公司 | 一种光伏逆变器绝缘阻抗检测电路及方法 |
CN108427037B (zh) * | 2018-04-16 | 2023-11-24 | 北京动力源科技股份有限公司 | 一种光伏并网逆变器绝缘电阻的监测装置和电子设备 |
CN111203447B (zh) * | 2018-11-21 | 2021-06-15 | 宝山钢铁股份有限公司 | 一种绝缘辊对地绝缘性的检测方法 |
CN109406880A (zh) * | 2018-12-17 | 2019-03-01 | 湖南二三智能科技有限公司 | 一种绝缘电阻的检测系统及方法 |
CN110412352B (zh) * | 2019-06-20 | 2021-09-07 | 江苏固德威电源科技股份有限公司 | 光伏阵列对地绝缘阻抗的检测电路、方法和光伏逆变器 |
CN112924752A (zh) * | 2019-12-06 | 2021-06-08 | 台达电子企业管理(上海)有限公司 | 光伏逆变器系统的绝缘阻抗检测电路及绝缘阻抗检测方法 |
CN112218223A (zh) * | 2020-10-30 | 2021-01-12 | 四川久远智能消防设备有限责任公司 | 一种差分式定压音频输出总线扬声器掉线检测电路 |
CN113009862B (zh) * | 2021-02-25 | 2023-07-21 | 成都科创时空科技有限公司 | 一种基于LoRa的遥控器 |
CN115792382B (zh) * | 2022-11-29 | 2024-01-05 | 上能电气股份有限公司 | 一种光储逆变器对地绝缘阻抗检测装置及方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE4109586C2 (de) * | 1991-03-21 | 2000-06-08 | Siemens Ag | Schaltungsanordnung zur Isolationsüberwachung ungeerdeter Niederspannungsnetze |
JP4198019B2 (ja) * | 2003-10-07 | 2008-12-17 | 矢崎総業株式会社 | 状態検出方法及び絶縁抵抗低下検出器 |
CN102798760B (zh) * | 2012-08-16 | 2015-05-20 | 阳光电源股份有限公司 | 一种光伏阵列对地绝缘阻抗检测方法及电路 |
CN104049150B (zh) * | 2014-06-30 | 2017-10-17 | 阳光电源股份有限公司 | 光伏组件对地绝缘性检测装置及方法及光伏并网发电系统 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3734386A4 (en) * | 2018-04-02 | 2021-03-17 | Jing-Jin Electric Technologies Co., Ltd | ENGINE CONTROL UNIT INSULATION MONITORING CIRCUIT |
EP3988948A4 (en) * | 2019-09-06 | 2022-08-17 | ZTE Corporation | DISTRIBUTED ISOLATION DETECTION DEVICE FOR MULTI-STAGE DIRECT CURRENT SYSTEM |
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Denomination of invention: On line measurement system of photovoltaic array insulation impedance to ground of high-power photovoltaic inverter Effective date of registration: 20220930 Granted publication date: 20170125 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: WUHAN WOOSTAR ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2022420000339 |
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Denomination of invention: An online detection system for ground insulation impedance of photovoltaic array in high-power photovoltaic inverters Effective date of registration: 20230504 Granted publication date: 20170125 Pledgee: China Construction Bank Corporation Wuhan Huangpi Branch Pledgor: WUHAN WOOSTAR ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2023980039732 |