CN113759288B - 一种漏电流检测电路、方法及漏电流检测器 - Google Patents

一种漏电流检测电路、方法及漏电流检测器 Download PDF

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Publication number
CN113759288B
CN113759288B CN202111312286.3A CN202111312286A CN113759288B CN 113759288 B CN113759288 B CN 113759288B CN 202111312286 A CN202111312286 A CN 202111312286A CN 113759288 B CN113759288 B CN 113759288B
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China
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leakage current
auxiliary winding
signal
current
duty ratio
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Chinese (zh)
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CN113759288A (zh
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雷健华
张勇波
马辉
秦赓
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Shenzhen Delian Minghai New Energy Co ltd
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Shenzhen Poweroak Newener Co Ltd
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Priority to CN202111312286.3A priority Critical patent/CN113759288B/zh
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Priority to PCT/CN2022/081474 priority patent/WO2022237319A1/zh
Priority to JP2022558381A priority patent/JP7476341B2/ja
Priority to EP22773383.9A priority patent/EP4113144B1/en
Priority to US17/944,396 priority patent/US11668762B2/en
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    • 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
    • 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
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
CN202111312286.3A 2021-11-08 2021-11-08 一种漏电流检测电路、方法及漏电流检测器 Active CN113759288B (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN202111312286.3A CN113759288B (zh) 2021-11-08 2021-11-08 一种漏电流检测电路、方法及漏电流检测器
PCT/CN2022/081474 WO2022237319A1 (zh) 2021-11-08 2022-03-17 一种漏电流检测电路、方法及漏电流检测器
JP2022558381A JP7476341B2 (ja) 2021-11-08 2022-03-17 漏れ電流検出回路、方法及び漏れ電流検出器
EP22773383.9A EP4113144B1 (en) 2021-11-08 2022-03-17 Leakage current detection circuit and method, and leakage current detector
US17/944,396 US11668762B2 (en) 2021-11-08 2022-09-14 Leakage current detection circuit, method and leakage current detector

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Application Number Priority Date Filing Date Title
CN202111312286.3A CN113759288B (zh) 2021-11-08 2021-11-08 一种漏电流检测电路、方法及漏电流检测器

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US (1) US11668762B2 (https=)
EP (1) EP4113144B1 (https=)
JP (1) JP7476341B2 (https=)
CN (1) CN113759288B (https=)
WO (1) WO2022237319A1 (https=)

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Publication number Priority date Publication date Assignee Title
CN113759288B (zh) * 2021-11-08 2022-03-11 深圳市德兰明海科技有限公司 一种漏电流检测电路、方法及漏电流检测器
CN114441990B (zh) * 2021-12-23 2023-05-02 北京北大千方科技有限公司 一种交通信号机的漏电检测装置和方法
CN116256665A (zh) * 2023-02-02 2023-06-13 华为数字能源技术有限公司 光伏逆变器及漏电流检测装置

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CN113296019A (zh) * 2021-05-08 2021-08-24 上海盛位电子技术有限公司 一种漏电检测装置、漏电检测方法和充电设备

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CN103675396A (zh) * 2012-09-13 2014-03-26 武汉金天新能源科技有限公司 一种光伏逆变器漏电流检测装置
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CN104931758A (zh) * 2014-03-21 2015-09-23 上海电科电器科技有限公司 直流剩余电流检测装置
CN104374982A (zh) * 2014-07-25 2015-02-25 中国计量科学研究院 一种非接触式直流电流测量电路及方法
CN104201919A (zh) * 2014-09-05 2014-12-10 江苏兆伏爱索新能源有限公司 一种光伏逆变器的漏电流控制方法
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Publication number Publication date
WO2022237319A1 (zh) 2022-11-17
EP4113144C0 (en) 2024-08-21
EP4113144A4 (en) 2023-10-18
JP7476341B2 (ja) 2024-04-30
CN113759288A (zh) 2021-12-07
JP2023525452A (ja) 2023-06-16
EP4113144A1 (en) 2023-01-04
US20230141539A1 (en) 2023-05-11
EP4113144B1 (en) 2024-08-21
US11668762B2 (en) 2023-06-06

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Address after: 518000 19th floor, building 1, kaidar group center building, No. 168, Tongsha Road, Xinwei community, Xili street, Nanshan District, Shenzhen, Guangdong

Patentee after: Shenzhen Delian Minghai New Energy Co.,Ltd.

Address before: 701-3, building 2, kaidar group center building, 168 Tongsha Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen Poweroak Newener Co.,Ltd.