| 微型变压器比率差动保护校验方法分析及应用 |
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| 引用本文： | 白小平,吕庆庆.微型变压器比率差动保护校验方法分析及应用[J].电气传动自动化,2012,34(1):62-64. |
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| 作者姓名： | 白小平 吕庆庆 |
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| 作者单位： | 大唐景泰发电厂,甘肃白银,730408 |
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| 摘 要： | 从变压器差动保护的原理及接线方式出发,分析其校验时的难点,然后以南京东大金智WDZ-441EX变压器差动保护为列,提出一种变压器比率差动保护动作特性测试的方法-平衡电流法,并介绍其校验的原理和步骤,以实例验证其有效性.
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| 关 键 词： | 变压器 差动保护 比率制动特性 测试方法 平衡电流法 |
Analysis and application of ratio differential protection check methods for microcomputer based transformer |
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| BAI Xiao-ping
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LV Qing-qing.Analysis and application of ratio differential protection check methods for microcomputer based transformer[J].Electrical Drive Automation,2012,34(1):62-64. |
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| Authors: | BAI Xiao-ping LV Qing-qing |
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| Affiliation: | (Datang Jingtai Power Plant,Baiyin 730408,China) |
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| Abstract: | From the principle and connection mode of differential protection of transformer,and the difficulties in checking are analyzed.Take a ratio differential protection of transformer WDZ-441EX for example,the operating characteristic test method namely balance current method is put forward.The validity is also verified. |
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| Keywords: | transformer differential protection ratio braking characteristics test method balance current method |
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