| 中频冶炼炉分频谐波频率移动现象及其机理 |
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| 引用本文： | 郭智文,李晟. 中频冶炼炉分频谐波频率移动现象及其机理[J]. 冶金动力, 2014, 0(11): 1-3,5 |
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| 作者姓名： | 郭智文 李晟 |
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| 作者单位： | 中冶华天南京自动化工程有限公司 |
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| 摘 要： | 在冶炼过程中,为了提高生产效率,降低冶炼能耗,中大容量中频冶炼炉往往采用了频率自动调节的控制方法,造成了严重的且频率移动的分频谐波污染;对该现象产生的机理进了定性分析,并得到了实际工程测试数据的验证;为今后该类设备电能质量治理工程的设计、实施提供了有益的借鉴。
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| 关 键 词： | 中频炉 分频谐波 移动频率 |
The Sub-harmonic Frequency Shift Phenomenon of Intermediate-Frequency Furnace and Its Mechanism |
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| GUO Zhiwen,LI Sheng. The Sub-harmonic Frequency Shift Phenomenon of Intermediate-Frequency Furnace and Its Mechanism[J]. Metallurgical Power, 2014, 0(11): 1-3,5 |
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| Authors: | GUO Zhiwen LI Sheng |
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| Affiliation: | (MCC Huatian Nanjing Automation Engineering Co. Ltd., Nanjing, Jiangsu 210019, China) |
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| Abstract: | In order to increase production efficiency and reduce energy consumption, the control method of automatic frequency adjustment is often adopted during the smelting process of medium and large volume intermediate-frequency furnaces, causing serious sub-harmonic pollution of frequency shift. The generating mechanism of the phenomenon was qualitatively analyzed, which had been proved by test data from actual projects, to provide helpful refer-ence for the design and implementation of electricity quality treatment projects for similar e-quipment. |
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| Keywords: | i-f furnace sub-harmonic travel efficiency |
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