ANALYSIS OF ELECTROMAGNETIC INTERFERENCE CAUSED BY FREQUENCY CONVERTER AND DISPOSAL THEREOF

HE Shun-sheng Guangzhou Power Plant Co Ltd

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ANALYSIS OF ELECTROMAGNETIC INTERFERENCE CAUSED BY FREQUENCY CONVERTER AND DISPOSAL THEREOF

Thermal Power Generation Vol. 38, Issue 5, Pages: 108-110(2009)

更新时间：2025-09-28

- ANALYSIS OF ELECTROMAGNETIC INTERFERENCE CAUSED BY FREQUENCY CONVERTER AND DISPOSAL THEREOF
- 作者机构：
  
  广州发电厂有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN773
- Published：2009
- 稿件说明：
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HE Shun-sheng Guangzhou Power Plant Co Ltd. ANALYSIS OF ELECTROMAGNETIC INTERFERENCE CAUSED BY FREQUENCY CONVERTER AND DISPOSAL THEREOF[J]. Thermal Power Generation, 2009, 38(5): 108-110.
DOI：

HE Shun-sheng Guangzhou Power Plant Co Ltd. ANALYSIS OF ELECTROMAGNETIC INTERFERENCE CAUSED BY FREQUENCY CONVERTER AND DISPOSAL THEREOF[J]. Thermal Power Generation, 2009, 38(5): 108-110. DOI：

摘要

针对广州发电厂有限公司1号机组锅炉给粉机变频器的电磁干扰及其造成与其相邻的敏感设备输出电流和电压信号大幅度波动的异常现象进行了分析

认为因安装工艺不合理造成变频器抗干扰能力差

对此提出了加强隔离、屏蔽、接地等改进措施。实施改造后

变频器运行稳定

抗电磁干扰效果显著。

Abstract

Directing against the problem of electromagnetic interference caused by the frequency converter of pulverized coal feeder to boilers of unit no.1 in Guangzhou Power Plant Co Ltd

the abnormal phenomenon of large fluctuation in analog output current and voltage signals coming from neighbouring sensitive equipments has been analysed.It is believed that the poor anti-interference capability of said frequency converter was caused by improper installation technology in the field

and retrofit measures

such as strengthening isolation

shielding

and grounding

etc.

have been put forward.After implementation

the operation of said frequency converter is stable

having remarkable electromagnetic interference resistant effectiveness.

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