[1]杨敏,仲兆平,严青,等.220kV城市户内变电站声场模拟与分析[J].东南大学学报(自然科学版),2010,40(6):1226-1231.[doi:10.3969/j.issn.1001-0505.2010.06.019]
　Yang Min,Zhong Zhaoping,Yan Qing,et al.Simulation and analysis of sound field in 220kV urban indoor substations[J].Journal of Southeast University (Natural Science Edition),2010,40(6):1226-1231.[doi:10.3969/j.issn.1001-0505.2010.06.019]
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220kV城市户内变电站声场模拟与分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
40
期数:
2010年第6期
页码:
1226-1231
栏目:
环境科学与工程
出版日期:
2010-11-20

文章信息/Info

Title:
Simulation and analysis of sound field in 220kV urban indoor substations
作者:
杨敏1;  仲兆平1;  严青1;  储农2;  卫银忠2;  胡继军2
1 东南大学能源与环境学院, 南京 210096; 2 江苏省电力设计院, 南京 211102
Author(s):
Yang Min1;  Zhong Zhaoping1;  Yan Qing1;  Chu Nong2;  Wei Yinzhong2;  Hu Jijun2
1 School of Energy and Environment, Southeast University, Nanjing 210096, China
2 Jiangsu Electric Power Design Institute, Nanjing 211102, China
关键词:
220kV城市户内变电站;  声场模拟;  ANSYS;  SYSNOISE
Keywords:
220kV urban indoor substations;  sound field simulation;  ANSYS;  SYSNOISE
分类号:
X593
DOI:
10.3969/j.issn.1001-0505.2010.06.019
摘要:
为了有效地治理城市户内变电站日益严重的噪声污染,建立仿真模型对变电站机房内部以及居民区的声场分布进行计算.以南京大行宫220kV变电站和富城220kV变电站为例,使用ANSYS 11.0 SP1软件对变电站主要噪声源——主变压器室和电抗器室内部声场进行模拟与分析.使用LMS SYSNOISE软件对变电站外距主变压器室45m处的居民区声场进行模拟计算.模拟结果表明:主变压器室的噪声声压级在频率为63Hz时达到最大值90.6dB.电抗器室的噪声声压级在125Hz时达到最大值93.0dB; 居民区的噪声声压级为47.51dB,夜间噪声超标.声场模拟值和现场实测数据吻合良好.通过修改模型中的相关参数,此模型可较好地用于同类变电站的声场模拟与预测, 以便结合隔声、消声、吸声及隔振技术制定噪声控制的优化方案.
Abstract:
In order to control growing noise pollution in urban indoor substations efficiently, calculation of the sound field in chambers and residential areas is done. With the software ANSYS 11.0 SP1, Nanjing Daxinggong 220kV substation and Fucheng 220kV substation are taken as examples to simulate and analyze the sound field in the main transformer chamber as well as the reactor chamber. Meanwhile, LMS SYSNOISE is utilized to simulate and calculate the sound field of residential areas, 45 m away from the main transformer chamber. According to simulation results, the sound pressure level in the main transformer chamber reaches a maximum of 90.6dB at the frequency of 63Hz, while the sound pressure level in the reactor chamber reaches a maximum of 93.0dB at 125Hz. The A-weighted equivalent continuous sound pressure level in residential areas is 47.51dB, exceeding our national emission standard at night. The calculation results are in good agreement with the experimental data. The model can be modified to simulate and predict the sound field in substations of the same kind so as to put forward an optimum proposal for noise treatment based on techniques of noise insulation, noise elimination, noise absorption as well as vibration isolation.

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备注/Memo

备注/Memo:
作者简介: 杨敏(1986—),女,硕士生; 仲兆平(联系人),男,博士,教授,博士生导师,zzhong@seu.edu.cn.
基金项目: 东南大学-江苏省电力设计院科研合作中心科研资助项目(8503000095).
引文格式: 杨敏,仲兆平,严青,等.220kV城市户内变电站声场模拟与分析[J].东南大学学报:自然科学版,2010,40(6):1226-1231. [doi:10.3969/j.issn.1001-0505.2010.06.019]
更新日期/Last Update: 2010-11-20