| 电力变压器直流电阻不平衡率超标案例 |
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| 引用本文： | 董勇. 电力变压器直流电阻不平衡率超标案例[J]. 冶金动力, 2009, 0(2): 20-21 |
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| 作者姓名： | 董勇 |
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| 作者单位： | 济南钢铁股份有限公司能源动力厂,山东济南,250101 |
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| 摘 要： | 济钢第二降压变电站2^#主变变压器检修中，在做主变压器直流电阻测试后，发现35kV侧C相直流电阻存在不平衡率超标准的现象，然后对变压器进行了解体检修，通过实例对此故障产生的原因及采取的防范措施作了论述。
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| 关 键 词： | 变压器 直流电阻 不平衡率 防范措施 |
Case of Unbalance Rate Going Beyond Standard of Direct Current Resistance of Power Transformer |
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| DONG Yong. Case of Unbalance Rate Going Beyond Standard of Direct Current Resistance of Power Transformer[J]. Metallurgical Power, 2009, 0(2): 20-21 |
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| Authors: | DONG Yong |
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| Affiliation: | DONG Yong (Energy Sources and Power Plant, Jinan Iron ＆ Steel Co., Ltd., Jinan, Shondong 250101, China) |
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| Abstract: | There was phenomenon of unbalance rate going beyond standard of C phase direct current resistance after testing of direct current resistance of the main transformer in maintenance of No.2 main transformer for No.2 step-down substation of Jinan Iron ＆ Steel Co., Ltd. The transformer was disassembled and repaired. The reasons of fault and precautionary measures were discussed. |
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| Keywords: | transformer direct current resistance unbalance rate precautionary measure |
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