Elec0047 power system dynamics, control and stability. They were installed from the cddvd, and those installers didnt stay. The steam turbine is a turbine in which the potential energy of heated and compressed steam produced in a special device, a steam generator, or steam of natural origin for example, from geothermal springs is converted into kinetic energy when the steam expands in the turbine blade cascades and then into mechanical work on the rotating shaft. Ppt gas turbine powerpoint presentation free to download. Gland steam must have appropriate temperature and pressure which must be controlled during startup. The governor is a control component with advanced protections for the turbine which ensure safe operation of the turbine. The mitsubishi turbine ehg control system can be applied to a variety of turbine generator system designs. Steam turbines governing system training demo, click on. Tubine governing system is meant for regulation of turbine speed under no load and varying load conditions to regulate the steam control valve position and hence load generated to control initial runup and synchronisation of the machine why. Model the dynamics of speed governing system, steam. 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 turbine governing system download as powerpoint presentation. Interval type2 fuzzy based control model of steam turbine governing system is presented.
Governing system of the turbine does the following functions. Governing systemgoverning system system preparationsystem preparation parameters to followparameters to follow. Salent features of mw kwu turbine governing system kwu mw turbine is a throttle governed machine. The governor does this function by controlling the steam flow through the turbine by adjusting the control value. Controls of large utility turbines presentation by srinivasan selvaraj. Governing system, which focuses on multimedia inputs like graphics. Steam consumption of steam turbine is depending to required output power and efficiency of the turbine. Download ppt steam turbine protections and governing systems.
Prior to supplying steam to the turbine, the steam supply pipelines have to be drained and heated up. Steam turbine control valve, governing and lube oil system. Steam turbine training governing system training course. Governing system steam turbine pdf free download as pdf file. The turbine exhaust steam is condensed and deaerated in the main condenser. The turbine is operational since 1968, therefore an efficiency assessment can highlight its present technical condition. 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. Issn 2348 7968 it2flc based control model of steam turbine.
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. Scribd is the worlds largest social reading and publishing site. Steam power plant ppt steam power plant presentations. Pdf simulation of speed steam turbine control system. Directx, games for windows live redist, vc redist, rapture3d, nvidia physx redist, etc. Simulink simulation model is built to study the dynamic behavior of synchronous, machine and the performance of. Steam turbine governing and its mechanism ece tutorials. Turbine governing system 1 turbine governing system presented by.
A free powerpoint ppt presentation displayed as a flash slide show on id. Jun 09, 2011 the steam turbine training program provides detailed knowledge on steam turbine assembly and dismantling. Steam process in steam turbine steam entrance to turbine through governor valv e to control steam capacity and therefore to control turbine speed. The best companion of steam users the good old time. Jul 04, 2017 explicit animations and graphics describing every aspect like turbine types, working principle, components, woodward type governors, speed droop, hunting, etc. This system generates electricity by using the main steam system to drive a turbine generator unit. Simultaneously, gland steam system is started to prevent air inleakage. Steam turbine governing system powerpoint ppt presentation. The flow rate of steam is monitored and controlled by interposing valves between the boiler and the turbine. 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 schematic representation of hydraulic governor control is shown in. The turbine electro hydraulic governor ehg control system controls steam flow to the turbine thorough a series of servodriven electrohydraulic valves. 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.
Schematic diagram of 200 mw unit 8 construction of the steam generator is carried out in two distinct bodies, symmetrical with the axis of the group, operating in parallel to the k2001 steam turbine. In case of turbines with cooling water preheating and lowpressure lp. Steam turbine training course at that also covers the governing system. Using matlabsimulink software facilities, have been simulated the speed variations, of the steam turbineload unit, connected with a mechanicalhydraulic system, than the. Functions of the governing system functions of the governing system to contain the speed rise within acceptable limits if the unit gets disconnected from load. Governing system is an important control system in the power plant as it regulates the turbine speed, power and participates in the grid frequency regulation. Following figures show steam process in steam turbine. 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. Simulink simulation model is built to study the dynamic behavior of synchronous, machine and the performance of proposed controller. In a practical situation the load frequently varies from the designed or economic. Turbine and generator system turbine description and other aux and generator powerpoint ppt presentation free to view. In throttle governing the pressure of steam is reduced at the turbine. Steam turbines range from 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.
Steam turbine governing is the procedure of monitoring and controlling the flow rate of steam into the turbine with the objective of maintaining its speed of rotation as constant. Jun 16, 2014 turbine governing system an overview 1. Turbine governing the steam flow through the control valve is proportional to the valve. Thus governing system changes the turbine mechanical power output.
It has almost completely replaced the reciprocating piston steam engine primarily because of its greater thermal efficiency and higher powertoweight ratio. Ppt steam turbine governing system powerpoint presentation. Steam turbines, whether small scale or heavyduty, are crucial for efficient power plants. Animated cutsections give a deep insight into steam turbine operation and how they work. The program will determine the specific and actual steam consumption and the outlet steam enthalpy, entropy, temperature and quality. Efficiency will depend on turbine size or rotor diameter, blade geometries, speed, extreme condition of steam and other losses. Ppt turbine governing system powerpoint presentation. Please practice handwashing and social distancing, and check out our resources for adapting to these times. Steam turbine, free steam turbine software downloads. Governing system steam turbine pdf gas technologies energy. Types of governing systems used in thermal power plant. If so, share your ppt presentation slides online with. Steam turbine governing is the procedure of controlling the flow rate of steam to a steam turbine.
Steam turbine training and governing system training youtube. This video introduces the operation of noncondensing, singlestage steam turbines in industrial facilities. However in later steam turbine control hydraulic governor is provided in parley with the electrohydraulic governing as a back up control which readily assumes the turbine control in the event of ehc failure. 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. Ge power has supplied 30% of the worlds steam turbine capacity. The typical main turbine in nuclear power plants, in which steam expands from pressures about 6 mpa to pressures about 0. The variation in load during the operation of a steam turbine can have a significant impact on its performance. Our steam turbines serve a vast range of industries ranging from food and sugar to biomass and textiles and beyond. Two steam generators produce steam from the heat energy generated by the reactor to supply the turbine for the main steam system. Steam turbine software free download steam turbine. Hydraulic turbine governor is used for controlling the guide vanes by. 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 rota slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Turbine steam consumption calculator is a program that will calculate the steam consumption for a turbine of known power and efficiency. The cbt also covers steam turbines and the governing system in detail and includes woodwardtype governor operation.
The use of a relay system magnifies the small deflections of the lever connected to the. Steam turbine training course with governor system and. Approval issue module 2347 the turbine governing system. Steam turbine, energy performance, efficiency assessment, heat balance 1 introduction the steam turbine converts the thermal energy of pressurized steam into useful mechanical work. When you installed a video game from a cd or a dvd, you installed some redistributable packages too. This download consists of snapshots from the training course on steam turbines and. The above picture is just a screen shot, click to see demo. Fire resisting fluid acknowledgements glossary bibliography biographical sketch summary steam turbines consist essentially of a casing to which stationary blades are fixed on the inside and a rotor carrying moving blades on the periphery. Then a steam turbine with a governing stage will be modelled. Figure 4 shows steam process in enthalpy against entropy diagram of curtis and single row rateau turbine.
Steam turbine training course with governor system. Ppt turbine governing system powerpoint presentation free to. 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. It identifies the basic components of a singlestage steam turbine and describes the function of each. The speed governing system consists of a proportional regulator, a speed relay, and a servomotor controlling the gate opening.
Steam for turbine is provided by pp330140p55 type steam generator, a oncethrough coalfired boiler 8. Issn 2348 7968 it2flc based control model of steam. A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion. Model the dynamics of speed governing system, steam turbine. Turbine steamconsumption calculator free download windows. Unloaders a typical turbine governing system has two unloaders one activated by low condenservacuum. A steam turbine is a mechanical device that extracts thermal energy from pressurized steam and transforms it into mechanical work. A 3phase fault is used as an example of system disturbances. Turbine governing system an overview linkedin slideshare. The conditions in the design situation are the same for the different turbine control situations.
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