Overspeed Detection System Steam Turbines

Modernization of Overspeed Detection
Steam turbines DG/DK
MAN PrimeServ provides a contemporary overspeed detection
system in order to modernize obsolete steam turbine protection
systems.
Challenge
Steam turbines are operated in different applications as mechanical drives for compressor
trains or as generator drives for power generation. Furthermore, steam turbines are used
for the supply of constant pressure process steam using the surplus energy to drive compressors or generators. The speed of the steam turbine is controlled by the speed control
system according to the requirements of the main process. Speeds exceeding the design
limits of the steam turbine train may lead to significant damages due to enhanced me-
chanical load on the bearings and the rotating components. In order to protect the steam
turbine train against overspeed damages the speed of the steam turbine is continuously
observed.
Modernization Solution
To modernize the speed monitoring and the overspeed protection of existing steam tur-
bine trains MAN PrimeServ provides a high safety triple modular redundancy overspeed
detection system. The modern overspeed detection system is based on a Braun E16E3xx
overspeed detection unit, whereas also other platforms as for example Turbolog, Bently
Nevada or Woodward can be realized. Depending on the existing unit configuration the
modernization concept further contains the modernization of the machine sensors and the
installation of an online testable hydraulic solenoid trip valve block with a 2 out of 3 voting.
The consistent use of industrial standard components supports the long-term availability of
spare parts and technical support.
PS_Leaflet_4c_Master.indd 1
02.09.2013 11:56:14
Modernization of Overspeed Detection
Steam turbines DG/DK
The modern overspeed detection system provides reliable protection of the steam turbine
train against possible damages due to overspeed:
n
Triple modular redundancy overspeed detection unit for reliable tripping of the steam
n
Online testable 2 out of 3 trip valve block for reliable feeding of trip valve
61508, DIN EN 62061, DIN EN 61511, DIN EN 60204, DIN EN ISO 12100, ISO 21789
n
n
turbine in case of overspeed
Compliance with relevant safety regulations as IEC 61131-2, EN ISO 13849, DIN EN
API 670, API 612
Adaption to individual requirements
Comprehensive Modernization
MAN PrimeServ provides comprehensive modernization concepts to modernize your
equipment - no matter if you want to optimize reliability, operating costs, environmental
sustainability or any other characteristic of the equipment. Please contact us for further
information.
PS_Leaflet_4c_Master.indd 2
All data provided in this document is non-binding. This data serves informational purposes only and is especially not warrented or guaranteed in any way. Depending on the specific individual projects, the relevant data may be subject to changes and will be assessed and determined individually for each project. This will depend on the particular characteristics of each individual project, especially specific site and operational conditions · Copyright © MAN Diesel & Turbo · PLM.072013.3 · Printed in Germany
Benefits
MAN Diesel & Turbo
86224 Augsburg, Germany
Phone +49 821 322-0
Fax +49 821 322-3382
[email protected]
www.mandieselturbo.com
02.09.2013 11:56:14

Download Report