CN101169352A - 测试大型汽轮发电机组轴系扭振模态的扫频法 - Google Patents
测试大型汽轮发电机组轴系扭振模态的扫频法 Download PDFInfo
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Abstract
Description
输入信号频率(Hz) | 输入信号强度(满输出的百分比) | 响应信号强度dw(弧度/s) |
2 | 60% | 0 |
2.1 | 60% | 0 |
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14.0 | 60% | 0 |
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14.3 | 60% | 0 |
14.4 | 60% | 0.01 |
14.5 | 60% | 0.03 |
14.6 | 60% | 0.06 |
14.7 | 60% | 0.11 |
14.8 | 60% | 0.24 |
14.9 | 60% | 0.43 |
15.0 | 60% | 0.83 |
15.1 | 60% | 1.24 |
15.2 | 60% | 1.05 |
15.3 | 60% | 0.62 |
15.4 | 60% | 0.21 |
15.5 | 60% | 0.10 |
15.6 | 60% | 0.04 |
15.7 | 60% | 0.01 |
15.8 | 60% | 0 |
15.9 | 60% | 0 |
16.0 | 60% | 0 |
16.1 | 60% | 0 |
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25.0 | 60% | 0 |
25.1 | 60% | 0 |
25.2 | 60% | 0 |
25.3 | 60% | 0 |
25.4 | 60% | 0.02 |
25.5 | 60% | 0.05 |
25.6 | 60% | 0.13 |
25.7 | 60% | 0.30 |
25.8 | 60% | 0.56 |
25.9 | 60% | 1.03 |
26.0 | 60% | 1.66 |
26.1 | 60% | 1.97 |
26.2 | 60% | 1.20 |
26.3 | 60% | 0.67 |
26.4 | 60% | 0.41 |
26.5 | 60% | 0.17 |
26.6 | 60% | 0.06 |
26.7 | 60% | 0.03 |
26.8 | 60% | 0.01 |
26.9 | 60% | 0 |
27.0 | 60% | 0 |
27.1 | 60% | 0 |
27.2 | 60% | 0 |
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29.6 | 60% | 0 |
29.7 | 60% | 0.01 |
29.8 | 60% | 0.04 |
29.9 | 60% | 0.07 |
30.0 | 60% | 0.21 |
30.1 | 60% | 0.34 |
30.2 | 60% | 0.82 |
30.3 | 60% | 1.45 |
30.4 | 60% | 2.12 |
30.5 | 60% | 2.46 |
30.6 | 60% | 2.27 |
30.7 | 60% | 1.32 |
30.8 | 60% | 0.71 |
30.9 | 60% | 0.34 |
31.0 | 60% | 0.16 |
31.1 | 60% | 0.09 |
31.2 | 60% | 0.04 |
31.3 | 60% | 0.02 |
31.4 | 60% | 0 |
31.5 | 60% | 0 |
31.6 | 60% | 0 |
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Cited By (15)
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CN100593724C (zh) * | 2008-07-04 | 2010-03-10 | 四方电气(集团)有限公司 | 同时激发多台汽轮发电机组轴系扭振的同步扭振激励法 |
CN101915601A (zh) * | 2010-07-22 | 2010-12-15 | 北京四方继保自动化股份有限公司 | 一种1000mw汽轮发电机组轴系模态阻尼的求取方法 |
CN101510693B (zh) * | 2009-04-02 | 2011-01-12 | 华北电力大学 | 一种获得次同步振荡转速信号的方法和装置 |
CN102156033A (zh) * | 2011-03-24 | 2011-08-17 | 武汉理工大学 | 一种数控机床扭转振动模态的测量装置及其测量方法 |
CN102116671B (zh) * | 2009-12-31 | 2012-02-15 | 中国神华能源股份有限公司 | 测量发电机组轴系模态频率的扫频方法 |
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CN101510693B (zh) * | 2009-04-02 | 2011-01-12 | 华北电力大学 | 一种获得次同步振荡转速信号的方法和装置 |
CN102117374B (zh) * | 2009-12-30 | 2013-04-10 | 北京四方继保自动化股份有限公司 | 一种基于扰动信号进行发电机组轴系扭振模态阻尼的计算方法 |
CN102116671B (zh) * | 2009-12-31 | 2012-02-15 | 中国神华能源股份有限公司 | 测量发电机组轴系模态频率的扫频方法 |
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