应用科学学报 ›› 2010, Vol. 28 ›› Issue (2): 152-157.

• 信号与信息处理 • 上一篇    下一篇

换流站电容器塔的噪声预测声学模型和算法

魏浩征,博士生,研究方向:机械系统动力学及低噪声设计,E-mail:weihzwuf@163.com;李志远,教授、博导,研究方向:机器低噪声设计与设备的减振降噪、动态测试技术等,E-mail:hfutdmc@163.com   

  1. 1. 合肥工业大学机械与汽车工程学院,合肥230009
    2. 南方电网技术研究中心,广州510623
  • 收稿日期:2009-09-15 修回日期:2009-12-08 出版日期:2010-03-30 发布日期:2010-03-30
  • 作者简介:魏浩征,博士生,研究方向:机械系统动力学及低噪声设计,E-mail:weihzwuf@163.com;李志远,教授、博导,研究方向:机器低噪声设计与设备的减振降噪、动态测试技术等,E-mail:hfutdmc@163.com
  • 基金资助:

    国家“十一五”科技支撑计划基金(No.2006BAA02A21)资助

Acoustic Model of Noise Prediction and Algorithm for Capacitor Tower in DC Converter Station

  1. 1. School of Mechanical and Automotive Engineering, Hefei University of Technology, Hefei 230009, China
    2. CSG Technology Research Center, Guangzhou 510623, China
  • Received:2009-09-15 Revised:2009-12-08 Online:2010-03-30 Published:2010-03-30

摘要:

 根据直流换流站滤波电容器塔架噪声的属性对竖直线声源的算法进行对比分析,提出对竖直线声源进行单独改进优化划分. 通过对使用不同划分长度的计算结果进行比较,确定恰当的长度值. 基于改进算法开发的噪声预测软件与商品软件的比较表明,改进后的预测结果更加准确合理,提高了电容器塔架的噪声衰减预测的计算精度.

关键词: 换流站, 电容器塔架, 声学模型, 噪声

Abstract:

According to the noise property of capacitor tower in DC converter station, we compare the algorithms for vertical linear acoustic sources, and propose an improved method of optimal division of vertical linear acoustic sources alone. The method chooses a proper value of the division length by comparison. An algorithm is developed  based on the proposed method, giving better accuracy of noise attenuation prediction of capacitor tower and more reasonable results than a commercial software product.

Key words: converter station, capacitor stack, acoustic model, noise

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