| 煤矿井下变频器的电磁兼容分析 |
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| 引用本文： | 茹向东.煤矿井下变频器的电磁兼容分析[J].中州煤炭,2011(5). |
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| 作者姓名： | 茹向东 |
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| 作者单位： | 天地上海采掘装备科技有限公司,上海,201401 |
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| 摘 要： | 变频器由于具有运行效率高、能实行电制动及无级调速、正反转切换、大负载启动、节能效果显著等优点,在煤矿井下获得了广泛的应用.但它的非线性、冲击性的用电方式带来的干扰问题日益引起人们的重视.如何使其满足电磁兼容的要求已是目前较为主要的问题.电磁兼容是一项系统性工程,由于煤矿井下环境特殊,各种干扰源的电磁辐射很复杂,要完全消除电磁噪声干扰又是不可能的,这就需要采取多种技术措施,从各个环节减少和防止干扰.为满足电磁兼容要求,对煤矿井下变频器在电磁兼容方面的问题进行粗略的分析,并提出了一些抗干扰对策.
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| 关 键 词： | 电磁兼容 电磁环境 抗干扰对策 |
Analysis on Electromagnetic Compatibility of Frequency Converter in Underground Coal Mine |
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| Ru Xiangdong.Analysis on Electromagnetic Compatibility of Frequency Converter in Underground Coal Mine[J].Zhongzhou Coal,2011(5). |
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| Authors: | Ru Xiangdong |
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| Affiliation: | Ru Xiangdong(Tiandi Shanghai Mining Equipment and Technology Co.,Ltd.,Shanghai 201401,China) |
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| Abstract: | Frequency converter has been widely applied in underground coal mine field due to its unique advantages.For example,it operates efficiently,it can conduct electric braking and perform step-less speed variation;it has two-way reversing switch and can start operating under a heavy load.It also has remarkable energy-saving effect.But its power consumption mode of non-linearity and impact nature has brought to interference problems,which attracts the attention gradually.As a result,the solution relies on how to... |
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| Keywords: | electromagnetic compatibility electromagnetic environment anti-interference measure |
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