JP2014093942A5 - - Google Patents
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- JP2014093942A5 JP2014093942A5 JP2013222856A JP2013222856A JP2014093942A5 JP 2014093942 A5 JP2014093942 A5 JP 2014093942A5 JP 2013222856 A JP2013222856 A JP 2013222856A JP 2013222856 A JP2013222856 A JP 2013222856A JP 2014093942 A5 JP2014093942 A5 JP 2014093942A5
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/665,479 US8963558B2 (en) | 2012-10-31 | 2012-10-31 | Current differential protection |
| US13/665,479 | 2012-10-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014093942A JP2014093942A (ja) | 2014-05-19 |
| JP2014093942A5 true JP2014093942A5 (https=) | 2016-12-01 |
| JP6247894B2 JP6247894B2 (ja) | 2017-12-13 |
Family
ID=49674127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013222856A Expired - Fee Related JP6247894B2 (ja) | 2012-10-31 | 2013-10-28 | 電流差動保護 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8963558B2 (https=) |
| EP (1) | EP2728693B1 (https=) |
| JP (1) | JP6247894B2 (https=) |
| KR (1) | KR102114772B1 (https=) |
| CN (1) | CN103795143B (https=) |
| BR (1) | BR102013027968A2 (https=) |
| CA (1) | CA2831115C (https=) |
| MX (1) | MX347959B (https=) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9037891B2 (en) * | 2013-02-28 | 2015-05-19 | Hamilton Sundstrand Corporation | Multi-processor synchronization using time base counters |
| US20140310553A1 (en) * | 2013-04-10 | 2014-10-16 | Xun Chen | Hardware and software for synchronized data acquisition from multiple devices |
| US10135247B2 (en) | 2013-10-17 | 2018-11-20 | General Electric Company | Methods and systems for integrated Volt/VAr control in electric network |
| GB2524055B (en) * | 2014-03-13 | 2017-11-15 | Cresatech Ltd | Improvements in or relating to power service monitoring |
| DE102014218764A1 (de) * | 2014-09-18 | 2016-03-24 | Siemens Aktiengesellschaft | Stromübertragungssystem und Verfahren zum Betreiben eines Stromübertragungssystems |
| US9609653B2 (en) * | 2014-10-15 | 2017-03-28 | National Instruments Corporation | Spectral stitching method to increase instantaneous bandwidth in vector signal generators |
| EP3107168B1 (en) * | 2015-06-19 | 2017-08-09 | General Electric Technology GmbH | Determining a communication delay in a communication network within an electrical power network |
| CN105158640B (zh) * | 2015-09-15 | 2018-07-20 | 江苏金智科技股份有限公司 | 多电源供电系统及基于gps与电流波形的故障定位方法 |
| EP3159990B1 (en) * | 2015-10-22 | 2018-01-31 | General Electric Technology GmbH | Improvements in or relating to electrical power systems |
| CN105785144B (zh) * | 2016-05-23 | 2018-11-06 | 国网江苏省电力公司电力科学研究院 | 一种无线分布式变电站电气量整站检测系统及方法 |
| CN105954627B (zh) * | 2016-06-22 | 2019-08-06 | 国网上海市电力公司 | 一种用于电缆和架空线混合线路的故障判断系统及方法 |
| GB2584279B (en) * | 2019-05-23 | 2021-10-20 | Synaptec Ltd | Methods and apparatus for time-stamping a signal |
| US11099238B2 (en) | 2019-03-27 | 2021-08-24 | General Electric Company | Distributed control modules with built-in tests and control-preserving fault responses |
| CN110661237B (zh) * | 2019-07-03 | 2021-10-29 | 天津大学 | 适用于配电网自同步条件下的电流差动保护方法 |
| CN110350500B (zh) * | 2019-08-13 | 2021-08-27 | 南京南瑞继保电气有限公司 | 伪双极直流配电网保护方法、装置、系统、设备及介质 |
| EP3863199A1 (en) * | 2020-02-07 | 2021-08-11 | Renesas Electronics Corporation | Time synchronisation |
| CN111900704A (zh) * | 2020-08-04 | 2020-11-06 | 国网山东省电力公司聊城供电公司 | 无需数据严格同步的有源配电网电流差动保护方法及装置 |
| CN114137274B (zh) * | 2020-09-03 | 2024-08-20 | 施耐德电器工业公司 | 一种电流记录方法、电流记录装置和电流记录系统 |
| CN112303680B (zh) * | 2020-09-28 | 2023-02-17 | 华帝股份有限公司 | 用于点火器的节电定时器的控制方法 |
| CN112448373B (zh) * | 2020-10-30 | 2023-05-16 | 中国南方电网有限责任公司超高压输电公司 | 一种并联多端直流输电系统金属横差保护的实现方法 |
| CN112993949B (zh) * | 2021-02-26 | 2023-11-14 | 许继集团有限公司 | 一种用于输电线路纵联差动保护采样的同步方法及装置 |
| KR102807573B1 (ko) * | 2021-05-28 | 2025-05-19 | 한국전력공사 | 비동기 역상전류 비율차동 기반 초고압 송전선로의 중앙집중식 보호 방법 및 장치 |
| CN114137334B (zh) * | 2021-11-11 | 2024-12-13 | 广东名门锁业有限公司 | 电子元器件测试方法、测试设备和智能锁 |
| CN115190576B (zh) * | 2022-02-22 | 2023-10-31 | 南京国电南自电网自动化有限公司 | 一种自适应缓存深度的无线差动同步系统及方法 |
| CN117805466B (zh) * | 2023-12-27 | 2024-05-17 | 珠海多创科技有限公司 | 一种微弱电流信号的检测方法、检测装置、拓扑识别装置及台区识别系统 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786419A (en) | 1972-12-26 | 1974-01-15 | Ibm | Synchronizing clock system for a multi-terminal communication apparatus |
| JPS57135623A (en) * | 1981-02-16 | 1982-08-21 | Tokyo Shibaura Electric Co | Current differential protection relay system |
| JPS5875419A (ja) | 1981-10-29 | 1983-05-07 | 株式会社東芝 | サンプリング時刻同期装置 |
| JPS6039310A (ja) * | 1983-08-12 | 1985-03-01 | 株式会社東芝 | サンプリング同期方法 |
| GB8509422D0 (en) | 1985-04-12 | 1985-05-15 | Gen Electric Co Plc | Relays |
| US5809045A (en) | 1996-09-13 | 1998-09-15 | General Electric Company | Digital current differential system |
| US6148267A (en) | 1998-01-02 | 2000-11-14 | General Electric Company | Method and apparatus for transmission line phase angle comparisons |
| US5958060A (en) | 1998-01-02 | 1999-09-28 | General Electric Company | Method and apparatus for clock control and synchronization |
| JP3994502B2 (ja) * | 1998-02-04 | 2007-10-24 | 株式会社明電舎 | Ｐｃｍリレーにおけるサンプリング同期方式とサンプリングデータ同期方式および異常通知方式 |
| JP3700386B2 (ja) | 1998-04-15 | 2005-09-28 | 株式会社日立製作所 | エネルギー・電力融通システム |
| EP1195876B1 (en) * | 2000-10-06 | 2007-04-18 | Kabushiki Kaisha Toshiba | Digital protective relay system |
| JP2004088919A (ja) * | 2002-08-27 | 2004-03-18 | Kansai Electric Power Co Inc:The | 電流差動保護継電装置 |
| US7126800B2 (en) | 2003-07-11 | 2006-10-24 | General Electric Company | Method and system for communications channel delay asymmetry compensation using global positioning systems |
| US6915219B2 (en) | 2003-08-29 | 2005-07-05 | General Electric Company | Method for canceling transient errors in unsynchronized digital current differential transmission line protection systems |
| US7444248B2 (en) | 2005-04-29 | 2008-10-28 | General Electric Company | System and method for synchronized phasor measurement |
| EP1780858A1 (en) | 2005-10-31 | 2007-05-02 | ABB Technology AG | Arrangement and method for protecting an electric power system |
| JP5172106B2 (ja) * | 2006-05-12 | 2013-03-27 | 株式会社東芝 | 保護リレー装置 |
| US7472026B2 (en) | 2006-12-22 | 2008-12-30 | General Electric Company | Multi-ended fault location system |
| US7567881B2 (en) | 2007-03-30 | 2009-07-28 | General Electric Company | Self-adjusting voltage filtering technique compensating for dynamic errors of capacitive voltage transformers |
| US8154836B2 (en) | 2009-09-17 | 2012-04-10 | Schweitzer Engineering Laboratories, Inc. | Line current differential protection upon loss of an external time reference |
-
2012
- 2012-10-31 US US13/665,479 patent/US8963558B2/en active Active
-
2013
- 2013-10-24 CA CA2831115A patent/CA2831115C/en active Active
- 2013-10-28 EP EP13190440.1A patent/EP2728693B1/en active Active
- 2013-10-28 JP JP2013222856A patent/JP6247894B2/ja not_active Expired - Fee Related
- 2013-10-30 BR BR102013027968A patent/BR102013027968A2/pt not_active Application Discontinuation
- 2013-10-30 KR KR1020130129895A patent/KR102114772B1/ko not_active Expired - Fee Related
- 2013-10-31 MX MX2013012748A patent/MX347959B/es active IP Right Grant
- 2013-10-31 CN CN201310526508.0A patent/CN103795143B/zh not_active Expired - Fee Related
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