用共振技术降低开关电源的电磁干扰及其在工业过程控制仪器中的应用

Proceedings of the International Conference on Electromagnetic Interference and Compatibility Pub Date : 1900-01-01 DOI:10.1109/ICEMIC.1999.871680

R. Bera, J. Bera, A.K. Sen, P.R. Dasgupta

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引用次数: 4

摘要

电磁干扰限制了过程控制工业的自动化。介绍了一种利用SMPS电源进行高频谐振来解决电磁干扰问题的方法。同时，采用共振模式SMPS有助于提供更高的效率(95%)，更少的散热，运行可靠和紧凑的优点。本文是在印度奥里萨邦纳尔科公司基于单片机的过程控制仪表开发和维护过程中的成果。

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Reduction of EMI from SMPS (switched mode power supplies) by resonance technique and its utilities in industrial process control instruments

EMI restricts automation of the process control industries. A method of solving EMI problems by using a SMPS power supply and resonating it at high frequency is described. At the same time use of resonance mode SMPS helps by provide advantages of higher efficiency (95%), less heat dissipation, reliability of operation and compactness. This paper is the outcome during development and maintenance of microcontroller based process control instruments for Nalco, Orissa.

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Proceedings of the International Conference on Electromagnetic Interference and Compatibility

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