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Single shaft combined cycle power plant shaft arrangement

A combined cycle, power station technology, applied in combined combustion mitigation, steam generation, steam engine installations, etc., to solve problems such as unavailable clutches

Active Publication Date: 2016-08-17
GENERAL ELECTRIC TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For some installations such a clutch may not be available

Method used

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  • Single shaft combined cycle power plant shaft arrangement

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Embodiment Construction

[0025] Exemplary embodiments of the present disclosure are now described with reference to the drawings, wherein like reference numerals are used to refer to like elements throughout. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. However, the present disclosure may be practiced without these specific details and is not limited to the exemplary embodiments disclosed herein.

[0026] Throughout the description, the pressure design of a steam turbine defines its relative inlet volume flow. As such, high pressure steam turbine 18 has a lower relative inlet volume flow than intermediate pressure steam turbine 14, which in turn has a lower inlet volume flow than low pressure steam turbine 16.

[0027] figure 1 An exemplary embodiment of a single shaft combined cycle power plant 10 is shown. On shaft 30 there are gas turbine 12 , intermediate pressure steam ...

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Abstract

The invention relates to a single shaft combined cycle power plant (10) comprising a shaft (30). A gas turbine (12), a medium pressure steam turbine (14), a low pressure steam turbine (16), a generator (20), and a high pressure steam turbine (18) are sequentially located on the shaft (30).

Description

technical field [0001] The present disclosure relates generally to single shaft combined cycle power plants, and more particularly to turbine shaft arrangements particularly suited for large capacity turbines. Background technique [0002] In combined-cycle single-shaft power plants, key parameters for determining the optimal arrangement of the turbine and generator on the shaft involve consideration of shaft torque, the layout and configuration of waste heat recovery steam generators as typical components of combined-cycle power plants, and civil engineering. Coverage area (civil footprint). [0003] As larger gas turbines become available, constraints may be placed on existing clutch and bearing components, which may result in a new need to find alternative turbine shaft arrangements. [0004] The solution involves positioning the steam turbine train between the gas turbine and the generator. The limitation of this solution is the transmission of high torques through the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02C6/00
CPCF02C6/00F01K23/10F01K23/16F22B1/1815Y02E20/16F01K23/00F01K23/02F01K23/12
Inventor M.赫佐格H.库贾维斯基A.古普塔S.雷
Owner GENERAL ELECTRIC TECH GMBH