CN101924537B - 基于电网周波的合并单元同步方法及系统 - Google Patents
基于电网周波的合并单元同步方法及系统 Download PDFInfo
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- CN101924537B CN101924537B CN200910053240.7A CN200910053240A CN101924537B CN 101924537 B CN101924537 B CN 101924537B CN 200910053240 A CN200910053240 A CN 200910053240A CN 101924537 B CN101924537 B CN 101924537B
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CN102539975B (zh) * | 2012-01-12 | 2014-07-02 | 华南理工大学 | 基于电压相位比较的10kV合并单元数据同步在线检测方法 |
CN104348569B (zh) * | 2014-10-08 | 2017-06-20 | 北京四方继保自动化股份有限公司 | 一种提高智能变电站可靠性的数据源端同步方法 |
CN105634476B (zh) * | 2014-11-06 | 2019-01-04 | 郑州威科姆科技股份有限公司 | 多种异频频率源同步一种频率输出的系统及方法 |
CN105445510A (zh) * | 2015-11-26 | 2016-03-30 | 青岛盛嘉信息科技有限公司 | 一种信号产生装置 |
CN105429652A (zh) * | 2015-11-26 | 2016-03-23 | 青岛盛嘉信息科技有限公司 | 一种正弦波调频电路 |
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CN1630197A (zh) * | 2003-12-19 | 2005-06-22 | 络达科技股份有限公司 | 可自动校正锁相回路频率范围的方法及相关的锁相回路 |
CN201141893Y (zh) * | 2007-11-22 | 2008-10-29 | 河南索凌电气有限公司 | 电网谐波测试仪 |
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US5349352A (en) * | 1992-12-21 | 1994-09-20 | Harris Corporation | Analog-to-digital converter having high AC line noise rejection and insensitive to AC line frequency variations |
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CN1630197A (zh) * | 2003-12-19 | 2005-06-22 | 络达科技股份有限公司 | 可自动校正锁相回路频率范围的方法及相关的锁相回路 |
CN201141893Y (zh) * | 2007-11-22 | 2008-10-29 | 河南索凌电气有限公司 | 电网谐波测试仪 |
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Effective date of registration: 20150929 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Patentee after: State Grid Shanghai Municipal Electric Power Company Patentee after: East China Electric Power Test & Research Institute Co., Ltd. Address before: 200437 Handan Road, Shanghai, No. 171, No. Patentee before: East China Electric Power Test & Research Institute Co., Ltd. |
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Effective date of registration: 20170413 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Co-patentee after: Shanghai Sai Pu Le Power Technology Co. Ltd. Patentee after: State Grid Shanghai Municipal Electric Power Company Co-patentee after: East China Electric Power Test & Research Institute Co., Ltd. Address before: 200002 Nanjing East Road, Shanghai, No. 181, No. Co-patentee before: East China Electric Power Test & Research Institute Co., Ltd. Patentee before: State Grid Shanghai Municipal Electric Power Company |
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Effective date of registration: 20190403 Address after: 200002 Nanjing East Road, Huangpu District, Huangpu District, Shanghai Co-patentee after: Shanghai Hengnengtai Enterprise Management Co., Ltd. Patentee after: State Grid Shanghai Municipal Electric Power Company Co-patentee after: East China Electric Power Test & Research Institute Co., Ltd. Address before: 200002 Nanjing East Road, Huangpu District, Huangpu District, Shanghai Co-patentee before: Shanghai Sai Pu Le Power Technology Co. Ltd. Patentee before: State Grid Shanghai Municipal Electric Power Company Co-patentee before: East China Electric Power Test & Research Institute Co., Ltd. |
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