NDLI: State of the Art Steam Turbine Automation for Optimum Transient Operation Performance

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Quinkertz, Rainer Gobrecht, Edwin
Copyright Year	2007
Abstract	The growing share of renewable energies in the power industry coupled with increased deregulation has led to the need for additional operating flexibility of steam turbine units in both Combined Cycle and Steam Power Plants. Siemens steam turbine engineering and controls presently have several solutions to address various operating requirements: - Use of an automatic step program to perform startups allows operating comfort and repeatability. - 3 start-up modes give the operator the flexibility to start quickly to meet demand or slowly to conserve turbine life. - Several options for lifetime management are available. These options range from a basic counter of equivalent operating hours to a detailed fatigue calculation. - Restarting capabilities have been improved to allow a faster response following a trip or shutdown. - In addition to control of speed, load and pressure, special control functions provide alternative work split modes during transient conditions. - Optimum steam temperatures are calculated by the steam turbine control system to achieve optimum startup performance. - Siemens steam turbines are also capable of load rejection to house load, some even to operation at full speed, no load. Several plants are already equipped with these solutions and have provided data showing they are operating with shorter start-up times and improved load rejection capabilities. Finally Siemens of course continues to pursue future development.
Sponsorship	Power Division
Starting Page	153
Ending Page	160
Page Count	8
File Format	PDF
ISBN	0791842738
DOI	10.1115/POWER2007-22158
e-ISBN	079183803X
Conference Proceedings	ASME 2007 Power Conference
Language	English
Publisher Date	2007-07-17
Publisher Place	San Antonio, Texas, USA
Access Restriction	Subscribed
Subject Keyword	Temperature Steam Control systems Fatigue Combined cycles Steam turbines Energy industry Pressure Stress Turbines Transients (dynamics) Thermal power stations
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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