Engine speed governors speed control governor speed limiters. 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 patented dirt tolerant and selfcleaning technology of woodward s varistroke actuators ensure greater overall reliability of your steam turbine. Woodward has long set the benchmark in steam turbine control with the heritage and longevity of the 505 product range. This steam turbine controller includes specifically designed algorithms and logic to start, stop, control, and protect industrial steam turbines or turboexpanders, driving. Steam turbine governing systems and electronic governor retrofit 159 process is required at a specific pressure below the inlet pressure.
Rockwell automation steam turbine governor fullfeatured control in a costeff ective package for singlevalve and twovalve steam turbine applications the rockwell automation steam turbine governor is a costeff ective governor for singlevalve, singlevalve rack or twovalve steam turbines. Woodward industrial turbomachinery control and protection. A governor is a piece of equipment that regulates the load in an engine or a turbine and maintains its constant speed, given that if the load is increased, the engine speed will change as well. It is comprised of woodwards fieldproven micronet tmr hardware platform and. Woodward 505e manuals manuals and user guides for woodward 505e. Figure 4 shows steam process in enthalpy against entropy diagram of curtis and single row rateau turbine. Taylor is a senior staff engineer within the steam turbine systems engineering group at woodward, in fort collins, colorado.
Balancing steam load is critical for proper and stable operation of the turbine. Installation and operation manual 505e digital governor for extraction steam turbines volume 1 manual 85018v1. Maintenance and overhaul of steam turbines wgp42 05. Since then, weve been leveraging those basic mechanical governor principles into the worlds best mechanical, hydraulic, and electronic governors for engines and steam turbines. The micronet plus control system provides a flexible platform to control any prime mover and its associated processes. The turbine governor model is linked to one or two synchronous generators and determines the shaft mechanical power pmech or torque tm for the generator model. We have 2 woodward 505e manuals available for free pdf download. Woodward hydromechanical actuators are the vital link between the electronic governor and the turbine fuelcontrol input. A governor is a device which controls the energy source to a prime mover to control its power basic governors sense speed and load of a prime mover and adjust the energy source to maintain the desired level governors can control multiple parameters and multiple prime movers.
Overview of woodward governor 505 instrumentation tools. A typical turbine governing system has two unloaders one activated by low condenservacuum. In old simpow turbine models, the turbine are composed of two models one governor input speed, output gate one turbine input gate, output tm. Throttle valve or governor valve is a big valve at the inlet pipe of the turbine. The new woodward 505 range redefines the standard in steam turbine control. Two different types of speedsetting adjustments are available for each power output. Get info of suppliers, manufacturers, exporters, traders of steam turbine governors for buying in india. Overview of woodward governor 505 governor is a device which senses the speed of an engine or turbine and controls the fuel or steam to the engine or turbine to maintain the speed at a desired level to meet changes in load or horse power op required. Steam turbine governing system is a method, used to maintain a constant steady speed of turbine. 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. Hydromechanical and electronic governors for precision control of engine speed in marine, pump, power generation, compression, and locomotive applications. Woodward peak 200 original instructions manual pdf download.
A turbine stage normally consists of a row of stationary blading and a row of rotating blading. We sell and service all woodward governors and actuators. This standard offtheshelf controller was purposebuilt for small to mediumsize steam turbines driving generators, pumps, or compressors. Standard features an internal oil pump, reliefvalve, and accumulator system controls governor operating pressure. His expertise is in rotating machinery control systems, which includes development work on new technology gas and steam turbine controls. Steam turbine governing and its mechanism ece tutorials. The flow rate of steam is monitored and controlled by interposing valves between the boiler and the turbine. Our extensive product line provides a variety of control solutions for steam and industrial gas turbines. Present control system, 1987 woodward prime mover control. The equilibrium speed means, the sped at which the governor balls, arms, sleeve, etc, are in. The 505 is designed to operate steam turbines using one or two splitstage actuators to drive inlet steam valves. The ug governor has an internal oil pump driven from the governor s drive shaft. Diesel engine and steam turbine governors and actuators.
The varistroke line of linear electrohydraulic valve actuators operate mechanicaldrive or generatordrive steam turbines. View and download woodward 505xt installation and operation manual online. Approval issue module 2347 the turbine governing system. Woodward 8516039, woodward inc,tg turbine governor, screw setting,winn marion companies. The sitec range of controllers integrate seamlessly into the majority of mechanical drive and generator drive steam turbine applications. Peripheral devices manufactured by other companies can be used with the 505e to perform the functions detailed bellow, however, the compatibility of them to the 505e and the application should be verified before system operation. Oems esi is woodwards only authorized supplier to the nuclear market. The 505e is designed to operate single extraction andor. Goltens is the authorized woodward distributor for the engine systems and controls product lines and recognized engine retrofit rer for the uae. View and download woodward peak 200 original instructions manual online. Woodward 505 installation and operation manual pdf download. Manual 85017v2 505 digital governor woodward v regulatory compliance. Jan 18, 2018 turbine inlet steam pressure 64 kgcm2.
Steam turbine control systems are being designed with todays technology to operate a turbine in a safe and reliable manner. Standard offtheshelf field configurable controllers allow users with simple steam turbine applications to easily configure and operate the control themselvesresulting in. Turbine governorstypes of governorsteam turbine governor. Woodward peak 200 original instructions manual pdf. The new woodward 505 draws from its history and incorporates the latest technology and advanced algorithms bringing. When we start the turbine and before it reached to operating speed which is 1790rpm, it will start hunting at 1750rpm then we start close the valve slowly then hunting will stop. A needle valve provides optimum adjustment that exactly matches the governor with a particular engines dynamics. Development of the sitec controller family commenced in 1992, and as technology has evolved, several new generations of turbine governors and. Woodward 505 installation and operation manual pdf. Nov 05, 2018 steam turbine part iii trip and throttle valve. Woodward 505 manual free ebook download as pdf file. Their applications include engines driving pumps, compressors, alternators, variable speed dc generators, marine propulsion units, and paper machines.
The output terminal shaft extends out both sides of the case, and the governor drive rotation can be in either direction. Governor is a heart component of the turbine which controls it during steady state and transient conditions. Woodward pg dial and lever governors control the speed of diesel, gas, and dualfuel engines in a variety of fields. It provides convenient operator control and speed display from the front panel. In controlling steam turbine speed, is to accurately and. Digital control for steam turbines applications governor turbine the 505 and 505e are microprocessorbased controls designed to operate steam turbines of all sizes. My question is related to hunting at steam turbine. Woodward 505 digital governor for steam turbines with single or splitrange actuators. These fieldverified and compatible speed sensors provide a complete turbine control solution when combined with our turbine controllers and actuators. View and download woodward 505 product manual online. The tg10 governor has 32 degrees of maximum shaft travel.
Purushotham reddy large steam turbine governor siemens. Woodward s peak 150 steam turbine control is a lowcost, compact, digital control for singlevalve or singlevalve rack steam turbines. It has woodward 505e governor controller installed and configured in 4% droop mode, although normally it is running alone. Callaway and vogtle nuclear plants as part of a digital governor upgrade woodward 505 control on their steam turbine generators. Hello, weve been facing a problem with our 15 mw steam turbine recently.
Woodward released its popular 505 steam turbine controller in 1985 and has worked closely with turbine oems and endusers to improve it through the years. Notification of potential part 21 on woodward governor. Woodward 505 manual printed circuit board valve scribd. Find here online price details of companies selling steam turbine governors. View and download woodward 505 installation and operation manual online. Part 9907162 features 1832 vdc power and is a microprocessorbased controller.
Jun 08, 2019 30 steps for correct sequence for starting steam turbine. View purushotham reddys profile on linkedin, the worlds largest professional community. Jul 23, 2018 17 videos play all steam turbine operation and controlcontrol with governor in grid. General information introduction this manual 85018 describes the woodward 505e digital governor for steam turbines with controlled extraction andor admission pressure control. There are many considerations to be taken when choosing a controller. We have a small turbine manufacture by dresserrand model is rlhb19, power 2kw, governor woodward model tg17. English versions are 9907165, 9907166, and 9907167. Description the woodward tg10 is a mechanicalhydraulic speed droop governor for controlling steam turbinesapplications where isochronous or constantspeed operation is not required. Steam process in steam turbine steam entrance to turbine through governor valv e to control steam capacity and therefore to control turbine speed. Performing organization names and addresses bureau of reclamation denver federal center po box 25007 denver co 802250007 8.
Gcswoodward steam turbine controls,505,micronet,protech. When configured to control single extraction andor admission based steam turbines, the 505xt controllers. An arrangement of check valves permits the governor to operate in either direction. At alberta governor, we carry woodward electronic governors for turbines. This device, designed to control industrial steam turbines whether driving a small mechanical load e. Woodwards 505 and 505e digital controls use a 32bit microprocessor to control industrial sized steam turbines, small utility turbogenerators, or turboexpanders. The 505 is designed to operate a variety of steam turbines and applications. Electro hydraulic governor function woodward governor turbine protectionstarting device. The controller, supplied by woodward governor company, incorporated an electronic governor module egm, electronic governor regulator egr, and remote servo drive that.
A turbine governor is provided for this arrangement. Woodward s micronet plus customizable control system is a flexible, stateoftheart system specifically designed for controlling gas and steam turbines. This controller has algorithms and logic to start, stop, control, and protect. In 1870 our founder, amos woodward, invented a responsive, noncompensating governor for water wheels. The governor does this function by controlling the steam flow through the turbine by adjusting the control value.
Description the woodward tg10 is a mechanicalhydraulic speed droop governor for controlling steam turbines applications where isochronous or constantspeed operation is not required. Theacti vatedunloader acts similarly to the loadlimiter, ie. Manual 85018v1 505e digital governor woodward 1 chapter 1. Tg governors are available in two different work outputs. The sleeve lift of the governor is defined as the vertical distance travelled by the sleeve on spindle due to change in equilibrium in speed. Pdf simulation of speed steam turbine control system. Steam turbine governors cpc current to pressure converter. The purpose of the governor is to supply steam into the turbine in such a. The importance of this method is, the turbine can maintain a constant steady speed irrespective of variation of its load.
Pdf installation and operation manual 505e digital governor. Remanufacturing your governor can save thousands of dollars. Mechanical governors for hydroelectric units facilities, instructions, standards, and techniques 5. Standard offtheshelf field configurable controllers allow users with simple steam turbine applications to easily configure and operate the control themselvesresulting in lowering commissioning and support costs. Pl governor applications the pgpl governor is widely used for controlling speed for all types of diesel or gas engines and steam turbines, driving pumps and compressors. Woodward 8516039,tg turbine governor, screw setting. The existing governor system has two critical dependencies. Woodward offers steam turbine controllers for all size turbines and applications. Heii users how are you i hope all is well today we discussed about very important topic related to turbine operation which is 30 steps for correct sequence for starting steam turbine in this article i fully explained correct sequence for startup of steam turbine. There are many considerations to be taken when choosing a. Electronic governors for turbines alberta governor service.
Following figures show steam process in steam turbine. The frequency of this voltage is translated by the speed control into a signal which accurately depicts the speed of the prime mover. In both the noncondensing and condensing type units, a single or double controlled extraction may be considered, depending on the number of openings that steam exits the turbine prior to the exhaust figure 6. Explicit animations and graphics describing every aspect like turbine types, working principle, components, woodward type governors, speed droop, hunting, etc. Reset the trip from wood ward 505 governor panel, also after resetting push run button in the governor panel governor will automatically take the presettled set point i. Typical single or dual inlet steam turbine figure 12. A steam turbine mechanicalhydraulic governor, screw speed set range 12002400 rpm, speeddroop 2010 at 2, counterclockwise drive shaft rotation, and integrated overspeed test device for atex locations. The rockwell automation steam turbine governor is a costeff ective governor for singlevalve, singlevalve rack or twovalve steam turbines. At other times during startup, it is synchronized to other dgs. Designed for steam turbine control, the 505 control includes four pid controllers speed, cascade, aux1, aux2, multiple startup.