| 汽轮发电机声功率级的声强法测量 |
| |
| 引用本文： | 池万刚,叶贵如,杨世超,陈永校,应善成.汽轮发电机声功率级的声强法测量[J].大电机技术,1991(6). |
| |
| 作者姓名： | 池万刚 叶贵如 杨世超 陈永校 应善成 |
| |
| 作者单位： | 浙江大学
(池万刚，叶贵如，杨世超，陈永校)，上海电器科学研究所(应善成) |
| |
| 摘 要： | 本文用声强法在工作现场对大型汽轮发电机组中的发电机部分进行了声功率级测量。介绍了声强测量理论、声强测量仪器以及所选定的初始测量条件(测量点数、测量距离等)。按照国际标ISO/DIS9614对测量进行了验证。结果表明,声强法特别适合于像电厂这类在发电机附近有强噪声干扰源存在的情况下对发电机进行较高精度的声功率级测量的场所。
|
| 关 键 词： | 声功率级 声强 声场抗性指数 |
Measurement of Turbogenerator Sound Power Level by Means of Sound Intensity method |
| |
| Chi Wangan Ye Guiyu Yang Shichao Chen Yongxiao.Measurement of Turbogenerator Sound Power Level by Means of Sound Intensity method[J].Large Electric Machine and Hydraulic Turbine,1991(6). |
| |
| Authors: | Chi Wangan Ye Guiyu Yang Shichao Chen Yongxiao |
| |
| Affiliation: | Chi Wangan Ye Guiyu Yang Shichao Chen Yongxiao(Zhejiang University) Ying Shancheng(Shanghai Research Institute of Electric Apparatus) |
| |
| Abstract: | In this paper, the sound power level of large turbogenerator in operating site is determined by means of sound intensity measurement. The sound intensity theory,the instrument for its measurement and the initial measured condition selected (e.g. number of measured point, measured distance etc.) are introduced. The measured results are verified in accordance with international standart ISO/DIS 9614.It is shown, that the sound intensity method is especcially suitable to power plant, where the sound power level of generator is measured with higher accuracy under conditions of significant noise interference source near generator. |
| |
| Keywords: | sound power level sound intensity sound field immunity index |
| 本文献已被 CNKI 等数据库收录！ |
