To enable the tripping of tg set in the event of actuation of protections. Generally, an ebook can be downloaded in five minutes or less. The file size of the latest setup package available for download is 872 kb. A governor, or speed limiter or controller, is a device used to measure and regulate the speed of a machine, such as an engine a classic example is the centrifugal governor, also known as the watt or flyball governor on a reciprocating steam engine, which uses the effect of inertial force on rotating weights driven by the machine output shaft to regulate its speed by altering the input flow. Steam process in steam turbine steam entrance to turbine through governor valv e to control steam capacity and therefore to control turbine speed.
Modern electricity grids demand ever more stringent levels of control that cannot be met by older systems, particularly those that preceded modern digital electronics. Issn 2348 7968 it2flc based control model of steam turbine. Steam turbines, whether small scale or heavyduty, are crucial for efficient power plants. Gland steam must have appropriate temperature and pressure which must be controlled during startup. This is a presentation on 500mw steam turbine governing system using electrohydraulic control. Governing of steam turbine is the procedure of controlling the flow rate of steam to a steam turbine so as to maintain the speed of the turbine fairly constant irrespective of load on the turbine. The cbt also covers steam turbines and the governing system in detail and includes woodwardtype governor operation. The steam turbine and governor block implements a complete tandemcompound steam prime mover, including a speed governing system, a fourstage steam. Pdf simulation of speed steam turbine control system. Please support us at so that we can add one more member to the team and will be able to release 2 educational videosmonth. To regulate the speed of the turbine at various loads in a isolating set to regulate the load as per the frequency demand when working in a grid network. Steam turbine and steam nozzle interview question and answers.
Mar 31, 2017 nuclear and coal based thermal power plants together produce almost half of the worlds power. Ge power has supplied 30% of the worlds steam turbine capacity. Interval type2 fuzzy based control model of steam turbine governing system is presented. Steam turbines startups 1 principles of steam turbines startups. In nozzle governing method, there will not be any importance to the steam inlet pressure and it is done by the boiler and bypass pressure control system. If full admission steam intake mode and sliding pressure operations are applied to first stage, enthalpy drop distribution in each turbine stage is optimized. This pdf explains in details about the different types of governing systems being used in gas turbines. The best companion of steam users the good old time. Functions of the governing system ppt video online download.
Ppt gas turbine powerpoint presentation free to download. Steam turbine, free steam turbine software downloads. The most popular versions among turbine steamconsumption calculator users are 2. Model the dynamics of speed governing system, steam turbine, and. Simulink simulation model is built to study the dynamic behavior of synchronous, machine and the performance of proposed controller.
Directx, games for windows live redist, vc redist, rapture3d, nvidia physx redist, etc. Steam turbine software free download steam turbine. What is steam turbine description and characteristics. Governing system of gas turbine control theory throttle. To prevent and protect the turbine from over speeding. Unloaders a typical turbine governing system has two unloaders one activated by low condenservacuum. Simultaneously, gland steam system is started to prevent air inleakage. Animated cutsections give a deep insight into steam turbine operation and how they work. The typical main turbine in nuclear power plants, in which steam expands from pressures about 6 mpa to pressures about 0. Steam turbine training and governing system training youtube. So the use of nozzle governing is limited to small turbines. The steam turbine and governor block implements a complete tandem compound steam prime mover, including a speed governing system, a fourstage steam.
That animatiom contain dtailed functioning of the followings. Effect of oblique stator on the aerodynamic performance and. Approval issue module 2347 the turbine governing system. Jun 09, 2011 the steam turbine training program provides detailed knowledge on steam turbine assembly and dismantling. Steam turbines depend upon the reliability, accuracy, and flexibility of their control systems.
Industrial turbine user configurable, standard offtheshelf control platforms are available for standard steam turbine applications, while fully programmable control platforms are available for turbine oems and end users who need to customize algorithms, logic, and protection functionality for specific requirements. Senior mechanical engineer a free powerpoint ppt presentation displayed as a flash slide show on id. To sealing turbine before pulling condensate vacumn before start up, gland sealing steam is extracted from the live steam system or auxiliary steam systeam and decreased both pressure and temperature pressure. Figure 4 shows steam process in enthalpy against entropy diagram of curtis and single row rateau turbine. The variation in load during the operation of a steam turbine can have a significant impact on its performance. Many users have requested that they be able to use the software on multiple. Types of governing i nozzle governing throttle governing bypass governing governing is effected by varying the amount of steam which is further done by changing the positions of control valves. Turbine steamconsumption calculator katmar software. To allow on line testing of various safety protections.
Steam turbine training governing system training course. A 3phase fault is used as an example of system disturbances. Thus governing system changes the turbine mechanical power output. 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. Feb 11, 20 click here to download ppt on free governor mode of operation fgmo.
When you installed a video game from a cd or a dvd, you installed some redistributable packages too. Steam turbine governing system powerpoint ppt presentation. Following figures show steam process in steam turbine. Steam turbines governing system training demo, click on. Kwu steam turbine governing system steam turbine x 4 mw htps governing system presentation. Prior to supplying steam to the turbine, the steam supply pipelines have to be drained and heated up.
Steam turbine governing and its mechanism ece tutorials. However, it is believed that these improvement programs have not reduced. Governing system of the turbine does the following functions. Jun 16, 2014 turbine governing system an overview 1. The governor is a control component with advanced protections for the turbine which ensure safe operation of the turbine. Turbine governing the steam flow through the control valve is proportional to the. Lmw turbine governing system free download as powerpoint presentation. An ebook reader can be a software application for use on a computer such as. The steam turbine training program provides detailed knowledge on steam turbine assembly and dismantling. The turbines cbt program is also available in a hardware lock licensing method. Steam turbines governing system training software, steam turbine, cbt, impulse, ebooks, technology, projects, free, industrial design training software steam turbine cbt impulse ebooks technology projects free industrial design. Steam turbine control valve, governing and lube oil system.
In governing system along with the change of quantity of steam the quality of the steam also changes. 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. This gives the advantage on throttle governing where the power reduction will happen gradually. This system generates electricity by using the main steam system to drive a turbine generator unit. Two steam generators produce steam from the heat energy generated by the reactor to supply the turbine for the main steam system. Our steam turbines serve a vast range of industries ranging from food and sugar to biomass and textiles and beyond. The required data are the inlet steam pressure and temperature, and the exhaust pressure. Turbine steamconsumption calculator free download windows. In case of turbines with cooling water preheating and lowpressure lp. This free program will calculate the steam consumption for a turbine of known power and efficiency. Steam turbines lie at the heart of these power plants. Operation of the typical hydraulic actuator of a turbine steam valve and purity of the. Gas turbine for power generation market size this study presents the gas turbine for power generation production, revenue, market share and growth rate for each key company, and also covers the breakdown data production, consumption, revenue and market share by regions, type and applications. Steam turbines presentation on types, classification and.
Salent features of mw kwu turbine governing system kwu mw turbine is a throttle governed machine. Ppt steam turbine governing system powerpoint presentation. Considering the supercritical steam turbine calculated in this article is designed in nozzle governing steam collection type, enthalpy drop in control stage is very large. 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. This file format is generated from a complete amination. Ppt turbine governing system powerpoint presentation free to. Steam power plant ppt steam power plant presentations. The variation in load during the operation of a steam turbine can have a. Types of governingi nozzle governing throttle governing bypass governing governing is effected by varying the amount of steam which is further done by changing the positions of control valves. A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion.
In a practical situation the load frequently varies from the designed or economic. Steam turbines an introductory guide to steam turbines for chemical engineers 2. Monitoring of program steps for execution within a certain time. It has almost completely replaced the reciprocating piston steam engine primarily because of its greater thermal efficiency and higher powertoweight ratio.
Steam turbine training and governing system training. Condition monitoring for steam turbines and sleeve bearing diagnostics and failure analysis presented by. Ppt turbine governing system powerpoint presentation. In order to maintain the synchronous speed under changing loadgrid or steam conditions, the kwu turbine supplied by bhel at ntpc korba. Control takes place by correcting the program of speed. The governor does this function by controlling the steam flow through the turbine by adjusting the control value. Tuning software pctune complete turbine and generator control system tuning software, with graphical user interface and intuitive userfriendly functions. Steam turbines presentation on types, classification and governing equations 1. Steam turbine governing system download as powerpoint presentation. Turbine governing system an overview linkedin slideshare. Download all free engineering software, manufacturing software and other related learning software.
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