증기터빈 제어밸브 특성곡선 상사실험방법의 유효성 연구
Study on the Effectiveness of an Experimental Method for a Steam Turbine Control Valve Characteristic Curve
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초록
Most of the steam turbine control valves used for the fossil and nuclear power plants operation in South Korea were developed by GE (General Electric) and manufactured by DHIC (Doosan Heavy Industry Company). For may years, DHIC have tried to develop their own technologies related to the power generation. DHIC has launched many R&D projects and ‘Development of a Control Valve Flow Code for Steam Turbine Operation Control of Fossil Power Plant’ was one of the R&D projects. Through our project, we accomplished the experimental method to obtain a steam turbine control valve characteristic curve using the atmospheric air and the reduced model instead using the steam and the real model. Also, we developed the correction method to calculate the real steam mass flow rate from the characteristic curve obtain by the experiment. In this paper, the effectiveness of the correction method was reviewed and it was concluded that the corrected mass flow rate complies well with the real steam mass flow rate.
Abstract
Most of the steam turbine control valves used for the fossil and nuclear power plants operation in South Korea were developed by GE (General Electric) and manufactured by DHIC (Doosan Heavy Industry Company). For may years, DHIC have tried to develop their own technologies related to the power generation. DHIC has launched many R&D projects and ‘Development of a Control Valve Flow Code for Steam Turbine Operation Control of Fossil Power Plant’ was one of the R&D projects. Through our project, we accomplished the experimental method to obtain a steam turbine control valve characteristic curve using the atmospheric air and the reduced model instead using the steam and the real model. Also, we developed the correction method to calculate the real steam mass flow rate from the characteristic curve obtain by the experiment. In this paper, the effectiveness of the correction method was reviewed and it was concluded that the corrected mass flow rate complies well with the real steam mass flow rate.
참고문헌 (5)
- Yoo, Y. H, "Engineering analysis of mass flow rate for turbine system control and design", Nuclear Engineering and Design, 241, pp.4061~4078 (2011)
- Yoo, Y. H, "Development of Computer Code for Steam Turbine System Control", International Congress on Advances in Nuclear Power Plants (ICAPP’07), 2007, pp.7331~ (2007)
- Yoo, Y. H, "Engineering Analysis of Flow Characteristic Curve for Steam Turbine Control Valve", Korean Nuclear Society, pp.317~ (2006)
- Yoo, Y. H, "Flow Characteristics Analysis of Widows’ Creek Type Control Valve for Steam Turbine Control", International Congress on Advances in Nuclear Power Plants (ICAPP’06), 6130 (2006)
- Yoo, Y. H., "Hydrodynamic Analysis of Widow’s Creek Steam Turbine Control Valve", 5th Japan-Korea Symposium on Nuclear Thermal Hydraulics and Safety (NTHAS-5), 004, pp.N004~ (2006)