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The research of the jam fault features and diagnostic methods of the slide valve oil motive based on DEH data

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The jam fault diagnosis of slide valve oil motive has great significance on the safe and stable operation of steam turbine. As limited data available from DEH, the jam fault is difficultly diagnosed directly by DEH data. This paper defines insensitivity to represent the level of the jam fault of slide valve oil motive system. Through the simulation and research of the jam fault features of the slide valve oil motive, the relationship between the rate of change of the input signal and the insensitivity of the jam fault diagnosis is be found. Then jam fault diagnosis strategy based on DEH data was put forward and it shows good results with verification by the actual data.

Original languageEnglish
Title of host publicationEnergy Development
Pages1791-1795
Number of pages5
DOIs
StatePublished - 2014
Externally publishedYes
Event3rd International Conference on Energy, Environment and Sustainable Development, EESD 2013 - Shanghai, China
Duration: 12 Nov 201313 Nov 2013

Publication series

NameAdvanced Materials Research
Volume860-863
ISSN (Print)1022-6680

Conference

Conference3rd International Conference on Energy, Environment and Sustainable Development, EESD 2013
Country/TerritoryChina
CityShanghai
Period12/11/1313/11/13

Keywords

  • DEH data
  • Diagnosis
  • Features
  • Jam fault
  • Slide valve oil motive

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