JP7476341B2 - 漏れ電流検出回路、方法及び漏れ電流検出器 - Google Patents

漏れ電流検出回路、方法及び漏れ電流検出器 Download PDF

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Publication number
JP7476341B2
JP7476341B2 JP2022558381A JP2022558381A JP7476341B2 JP 7476341 B2 JP7476341 B2 JP 7476341B2 JP 2022558381 A JP2022558381 A JP 2022558381A JP 2022558381 A JP2022558381 A JP 2022558381A JP 7476341 B2 JP7476341 B2 JP 7476341B2
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Prior art keywords
leakage current
signal
auxiliary winding
duty ratio
current
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JP2023525452A (ja
JP2023525452A5 (https=
Inventor
健華 雷
勇波 張
輝 馬
▲ゲン▼ 秦
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Shenzhen Poweroak Newener Co Ltd
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Shenzhen Poweroak Newener Co Ltd
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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)
JP2022558381A 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 Active JP7476341B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202111312286.3 2021-11-08
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

Publications (3)

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JP2023525452A JP2023525452A (ja) 2023-06-16
JP2023525452A5 JP2023525452A5 (https=) 2024-02-13
JP7476341B2 true JP7476341B2 (ja) 2024-04-30

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JP2022558381A Active 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

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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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* Cited by examiner, † Cited by third party
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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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
CN107703823A (zh) 2017-11-02 2018-02-16 深圳驿普乐氏科技有限公司 一种充电漏电流检测电路
KR102111489B1 (ko) 2019-01-07 2020-05-15 주식회사 쓰리윈 에너지 저장 장치용 전력 모니터링 장치

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WO2022237319A1 (zh) 2022-11-17
EP4113144C0 (en) 2024-08-21
EP4113144A4 (en) 2023-10-18
CN113759288A (zh) 2021-12-07
CN113759288B (zh) 2022-03-11
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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