| 变频器在选煤厂应用的优点及网侧谐波电流计算 |
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| 引用本文： | 聂志强,葛志红,李发明,陈震东,张阳.变频器在选煤厂应用的优点及网侧谐波电流计算[J].煤炭加工与综合利用,2010(6):18-21. |
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| 作者姓名： | 聂志强 葛志红 李发明 陈震东 张阳 |
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| 作者单位： | [1]唐山国华科技有限公司 [2]河北宏扬房地产有限公司,河北唐山063020 |
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| 摘 要： | 介绍了变频器的工作原理及其在选煤厂电动机调速中应用的优点,但变频器的应用也带来了网侧谐波问题,实例分析了谐波电流计算方法和抑制谐波的措施。
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| 关 键 词： | 选煤厂 电动机 变频器 网侧谐波 电流 |
Advantage of the usage of frequency changer at coal preparation plant & calculation of the electric current of net-side resonance wave |
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| Abstract: | Introduced is the working principle of a frequency changer and its advantage in use for speed variation of motor at coal preparation plant;but usage of frequency changer brings forth the problem of net-side resonance wave;by a practical example,analyzed were the calculation method of electric current of resonance wave and measures for its depression. |
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| Keywords: | coal preparation plant motor frequency changer net-side resonance wave electric current |
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