| 基于LTSA算法的透平通流结垢在线检测方法研究 |
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| 引用本文： | 陈源培,王博,胡立生,包锦华. 基于LTSA算法的透平通流结垢在线检测方法研究[J]. 热力透平, 2021, 50(1) |
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| 作者姓名： | 陈源培 王博 胡立生 包锦华 |
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| 作者单位： | 上海交通大学 电子信息与电气工程学院,上海200240;上海电气电站设备有限公司汽轮机厂,上海200240;上海交通大学 电子信息与电气工程学院,上海200240;上海电气电站设备有限公司汽轮机厂,上海200240 |
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| 摘 要： | 汽轮机低压缸通流结垢工况下,朗肯循环中关键测点相比于正常运行时可能发生变化。对系统观测数据中所存在的复杂非线性关系,提出了一种基于LTSA算法的汽轮机结垢故障在线检测方法,并在此过程中构造了虚拟统计量,成功地检测了汽轮机系统中的结垢故障,这验证了该方法的有效性。
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| 关 键 词： | 汽轮机 通流结垢 在线检测 LTSA算法 数据降维 虚拟统计量 |
Research on On-Line Detection Method for Turbine Flow Passage Scaling Based on LTSA Algorithm |
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| CHEN Yuanpei,WANG Bo,HU Lisheng,BAO Jinhua. Research on On-Line Detection Method for Turbine Flow Passage Scaling Based on LTSA Algorithm[J]. Thermal Turbine, 2021, 50(1) |
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| Authors: | CHEN Yuanpei WANG Bo HU Lisheng BAO Jinhua |
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| Affiliation: | (School of Electronic Information and Electrical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;Shanghai Electric Power Generation Equipment Co.,Ltd.Turbine Plant,Shanghai 200240,China) |
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| Abstract: | Under the condition of flow passage scaling,the key measuring points of Rankine cycle in steam turbine LP casing may be different from that of normal operation.Aimed at the complex nonlinear relationship existed in the observed data,an on-line detection method of flow passage scaling in steam turbine based on local tangent space alignment(LTSA)algorithm is proposed.Some virtual statistics is also constructed,and the scaling fault in the steam turbine system is successfully detected.The effectiveness of this method is verified by the simulation results. |
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| Keywords: | steam turbine flow passage scaling on-line detection local tangent space alignment(LTSA)algorithm data dimensionality reduction virtual statistics |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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