Nozzle governing of steam turbine with inner architecture for example if the turbine consists of 10 nozzles for full power100 %. The steam turbine and governing system training governor training course covers the various turbine types. A steam turbine is a mechanical device that extracts thermal energy from pressurized steam and transforms it into mechanical work. Directx, games for windows live redist, vc redist, rapture3d, nvidia physx redist, etc. Steam turbine training course with governor system and animation. A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion. This free program will calculate the steam consumption for a turbine of known power and efficiency. The speed governing system consists of a proportional regulator, a speed relay, and a servomotor controlling the gate opening. Turbine steamconsumption calculator katmar software.
Steam turbine training and governing system training youtube. Steam turbine governing and its mechanism ece tutorials. A power loss is associated with steam leakage or air ingress. Ed nelson is a tu rbo machinery consultant based in dickinson, texas. Steam turbine governing steam turbine governing is the procedure of controlling the flow rate of steam into a steam turbine so as to maintain its speed of rotation as constant.
The protection system operates only when any of the control system set point parameters are exceeded, and the steam turbine will be damaged if it continues to operate. Jun 16, 2014 turbine governing system an overview 1. Jun 09, 2011 the steam turbine training program provides detailed knowledge on steam turbine assembly and dismantling. In case of turbines with cooling water preheating and lowpressure lp bypass, prior to supplying steam the regeneration and dumping systems have to be. Steam turbine disassembly animation addeddate 201008.
It has almost completely replaced the reciprocating piston steam engine primarily because of its greater thermal efficiency and higher powertoweight ratio. Turbine control systems that are fieldproven for both newbuild installations and retrofits to all the major oem steam turbine types. Modern steam turbines use labyrinth glands to restrict steam and air leakage. The owners operating mode and practices will determine how each factor is weighted. It provides a very detailed learning using graphics and animation in explaining a turbine classification of the different impulse and impulsereaction types. The course, designed with extensive graphics and hydraulic animation, gives a very clear and detailed knowledge on the subject. Steam turbine governors cpc current to pressure converter. Steam turbine, free steam turbine software downloads. Steam turbine 1 content chapter description page i purpose 2 ii steam turbine types 2 2. Woodward 505 digital governor for steam turbines with single or splitrange. Industrial hydraulic circuit training with animation.
A steam turbine consists of a rotor resting on bearings and enclosed in a cylindrical casing. Understanding and preventing steam turbine overspeeds by william e. The cbt also covers steam turbines and the governing system in detail and includes. The modern digital turbine control system tcs is designed to control the main steam flow to the steam turbine in all operational conditions by means of the turbine throttle, governor, admission. The steam turbine training program provides detailed knowledge on steam turbine. Ppt turbine governing system powerpoint presentation. Different types of turbine protective devices this article provides the list of different types of turbine protective devices like turbine over speed trip, low lube oil pressure, axial displacement, turbine temperature and turbine vibrations. Using the steam property calculator, properties are determined using inlet pressure and the selected second parameter temperature, specific enthalpy, specific entropy, or quality. The primary focus on graphicsanimations in the steam. Steam turbine training course at that also covers the governing system.
The specific enthalpy is then multiplied by the mass flow to get the energy flow. Because the turbine generates rotary motion, it is particularly suited to driving electrical generators about 90% of all electricity generation in the united states 1996 is by use of steam turbines 1 wiser. Thus a steam turbine could be viewed as a complex series of windmilllike arrangements, all assembled on the same shaft. The steam turbine and governor block implements a complete tandemcompound steam prime mover, including a speed governing system, a fourstage steam turbine, and a shaft with up to four masses. The rotor is turned by steam impinging against attached vanes or blades on which it exerts a force in the tangential direction. He retired fro m amoco oil company, after more than 36 years in. The best companion of steam users the good old time. A steam turbine is a device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. The leakage of steam or air could occur where the shaft is extended through the turbine endwalls to atmosphere.
Nelson turbomachinery consultant dickinson, texas and perryc. The variation in load during the operation of a steam turbine can have a significant impact on its performance. Ppt gas turbine powerpoint presentation free to download. Generally for utility steam turbines following two. Lec23 dynamic modeling of steam turbines and governors. In backpressure turbine variation in outlet pressure of steam. If the load demand has reduced to 60 % then out of 10 nozzles, 4 nozzles can be closed to provide 60% load with out delay. The steam turbine is a form of heat engine that derives much of its improvement in thermodynamic efficiency from the use of multiple. Jun, 20 the function of the steam turbine protection system is often confused with the control system, but in fact the two systems are entirely separate. Reaction turbine 2 iii steam turbine operating range 2 3. System, which focuses on multimedia inputs like graphics, animation and. Steam turbine software free download steam turbine.
Turbine speed governing system plz use speakers duration. Overview of woodward governor 505 instrumentation tools. Using matlabsimulink software facilities, have been simulated the speed variations, of the steam turbineload unit, connected with a mechanicalhydraulic system, than the speed deviations of the steam turbineload unit, to different load deviations, proportional and proportionalintegrative control algorithms. With a gas turbine the quantity of fuel fed is closedloop controlled e. A free powerpoint ppt presentation displayed as a flash slide show on id. Steam turbine definition and meaning collins english dictionary. How steam turbine protection system works turbomachinery. Steam turbine control valve, governing and lube oil system. Prior to supplying steam to the turbine, the steam supply pipelines have to be drained and heated up. Mar 31, 2017 steam turbines lie at the heart of these power plants. Thus, the design of glands and seals is optimized to reduce any leakage. The primary focus on graphicsanimations in the steam turbine training. They convert thermal energy in the steam to mechanical energy.
Video using steam turbine training and governing system training software. Hydraulic control systems in gas and steam turbines. Steam turbine governing is the procedure of controlling the flow rate of steam to a steam turbine so as to maintain its speed of rotation as constant. Heavyduty gas turbine operating and maintenance considerations repairs, and downtime. Model the dynamics of speed governing system, steam turbine. Animated cutsections give a deep insight into steam turbine operation and how they work. The required data are the inlet steam pressure and temperature, and the exhaust pressure. Standard dynamic turbinegovernor systems in neplan power system. Loss of inlet steam pressure to turbine is one of the cause of governor hunting in reaction or impulse turbine. Turbine governing system an overview linkedin slideshare. Jan 01, 2017 steam turbine control valve, governing and lube oil system subodh kumar tikadar general industrial steam turbine prefers a steam source of 42 kgcm2 600 psi at 482 oc 900 o f.
Steam turbines where steam is supplied from a large boiler drum or a large header. A multivalve, multistage turbine protection system incorporates a mechanical. Animated video mechanical engineering channel anuniverse 22 has started to stand on the shoulders of engineering giants and now, it is a place to hang out t. Approval issue module 2347 the turbine governing system. Governing system can, therefore be preliminary defined as the system designed to achieve functional requirement of turbogenerator operation by controlling and regulating steam turbine input parameters viz. Using matlabsimulink software facilities, have been simulated the speed variations, of the steam turbine load unit, connected with a mechanicalhydraulic system, than the speed deviations of the. No further governor problems were encountered with the driver of the compressor train. The cbt also covers steam turbines and the governing system in detail and includes woodwardtype governor operation.
When you installed a video game from a cd or a dvd, you installed some redistributable packages too. This video will explain the inner workings of the steam turbines and why they. Its modern manifestation was invented by charles parsons in 1884. In a practical situation the load frequently varies from the designed or economic. Steamplant process design software allows you to perform spreadsheet analysis of steam power plant equipment, entire steam power plants, and many other aqueous. Pdf simulation of speed steam turbine control system. The training course on industrial hydraulics has been developed to understand the basic hydraulic working principle and the various components used in a hydraulic circuit. The primary factors that affect the maintenance planning process are shown in figure 1. A way set to desire the speed the driver set the desired speed mentally. Our steam turbines serve a vast range of industries ranging from food and sugar to biomass and textiles and beyond. Steam turbine training governing system training course. The steam turbine training program provides detailed knowledge on steam.