CN101707357B - 直流供电系统中利用交流电气量进行印证的直流保护方法 - Google Patents
直流供电系统中利用交流电气量进行印证的直流保护方法 Download PDFInfo
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CN2009102343382A CN101707357B (zh) | 2009-11-24 | 2009-11-24 | 直流供电系统中利用交流电气量进行印证的直流保护方法 |
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CN101707357B true CN101707357B (zh) | 2012-04-25 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102522732B (zh) * | 2011-12-06 | 2015-01-14 | 国电南瑞科技股份有限公司 | 带有多路光纤接口的直流保护系统 |
CN104377651B (zh) * | 2014-11-21 | 2017-09-26 | 许继电气股份有限公司 | 一种大功率整流变压器及阀柜交、直流差动保护方法 |
CN108508291A (zh) * | 2018-03-13 | 2018-09-07 | 云南电网有限责任公司电力科学研究院 | 一种直流保护功能检测方法及系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2342507Y (zh) * | 1998-09-17 | 1999-10-06 | 郑云辉 | 直流操作电源的充放电保护装置 |
CN101232177A (zh) * | 2008-01-29 | 2008-07-30 | 西安交通大学 | 高压直流输电线路距离保护方法 |
CN101521368A (zh) * | 2008-11-20 | 2009-09-02 | 国电南瑞科技股份有限公司 | 一种结合直流母线电压的直流电流保护系统 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2342507Y (zh) * | 1998-09-17 | 1999-10-06 | 郑云辉 | 直流操作电源的充放电保护装置 |
CN101232177A (zh) * | 2008-01-29 | 2008-07-30 | 西安交通大学 | 高压直流输电线路距离保护方法 |
CN101521368A (zh) * | 2008-11-20 | 2009-09-02 | 国电南瑞科技股份有限公司 | 一种结合直流母线电压的直流电流保护系统 |
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Effective date of registration: 20141202 Address after: High road high tech Development Zone Nanjing city Jiangsu province 210061 No. 20 Patentee after: NARI Technology Development Co., Ltd. Patentee after: SGCC NARI Nanjing Control System Co., Ltd. Address before: High road high tech Development Zone Nanjing city Jiangsu province 210061 No. 20 Patentee before: NARI Technology Development Co., Ltd. |