Laser measuring of vertical shaft plumbness with rotalign ultra hydropower or permaplumb. In order for the overhaul to proceed smoothly and to. Hydro turbine laser alignment with pruftechnik youtube. Pdf vertical axis wind turbine for highway application. The catenary depends solely on the mass and stiffness of the shaft system. Alignment of hydro turbines with a flip timesaving solution for plumbness, runout and level measurements. For the process with respect to levelling, alignment and centralising following general sequence can be followed. Traditionally, plumbness measurements on a vertical hydroturbinegenerator.
Our field service service engineers utilize stateoftheart faro vantage laser trackers enabling us to measure quickly, accurately and precisely. Through extensive model testing and several field trials with vertical axis turbines, the design for a new low head water turbine emerged. Fast identification of turbine alignment condition. Introduction periodically, all hydroelectric generators require a major overhaul. Assembly within recommended tolerances will equalize loading and cyclic forces on the thrust bearings and reduce forces on guide bearings. Vertical shaft alignment, hydroelectric generators. Entergy, nrg, general electric, the wood group, sulzerhickham, aep, dynegy, tristate. How to achieve vertical shaft plumbness using laser alignment. It is manufactured by eds measurement systems, inc. Rotalign ultra hydropower uses the highend rotalign ultra platform and inclineo, a high precision electronic inclinometer, for a quick and precise identification of turbine alignment.
Wind turbine alignment is normally done by treating. Shaft alignment of a vertical hydro turbinegenerator unit is a crucial yet highly specialized technical skill. In 2005 a vertical 42 mw hydropower unit was upgraded in sweden. Various methods of alignment will be addressed including tight wire, laser, eragcat, alignment bar, and lead wire. In this paper, a novel verticalaxis water turbine has been developed for hydropower harness inside water pipelines when extra water head can be consumed. This document is designed to provide enough information to allow alignment of a vertical shaft hydro. Manufacturer of the concentricity alignment tool cat. Vertical hydroelectric turbine plumbness alignment. In this paper, a novel vertical axis water turbine has been developed for hydropower harness inside water pipelines when extra water head can be consumed. The procedures rely on traditional approaches to shaft alignment, as well as on newer, laserbased technologies. On large turbine generators, the outer bearings could be up to 25 mm above the leve of the central bearings. Process metrology laser alignment, vibration analysis. Typically, alignment of vertical shafts in hydro generating units and other machinery, such as pumps, requires equalizing the load on the thrust bearing shoes or thrust member, plumbing the shafts to gravity, and plumbing the center line of the shaft throw circle called run out or throw.
To prevent equipment failures resulting from misaligned shafts, u. Vertical turbine pump vtp and driver alignment is critical for extending the serviceable life of the driver, pump bearings and mechanical seal assembly while also providing vibration free service of your installation. Accurate shaft alignment requires precise measurements and calculations. The end result of a diaphragm alignment is to have all of the diaphragms lined up when the turbine is running. This position is shown in the software as an x, y, z value. Aligning vertical shaft hydro units journal article. The following tools are manufactured by equipment development services in schenectady, new york, usa. How to achieve vertical shaft plumbness using laser alignment daus studenberg, ludeca, inc. The turbine runner centre and generator rotor center concide with centre lines of stay ring and stator core respectively. Our field service service engineers utilize stateoftheart faro vantage. Each aspect of your hydro system, from water intake to turbinegenerator alignment, affects efficiency.
Shaft alignment of a vertical hydro turbine generator unit is a crucial yet highly specialized technical skill. This innovative clip on belt vibrating pack is used in the place of the headset. This projects aims of utilizing this wind energy in most effective manner to. Vibration analysis of a hydro generator for different operating regimes view the table of contents for this issue, or go to the journal homepage for more 2017 iop conf. Jun 26, 2019 in addition, coupling alignment, thermal growth inspection, new installation and relocations can be also be performed. Aligning vertical shaft hydro units journal article osti. Alignment of the shaft necessitates the outer bear ings being raised. The axis of turbine and generator shaft are in one vertical line. By utilizing the full capabilities of the radian laser tracker and specialized software, api can produce a master control plan relevant to the turbine bore centerline, from end to end. Particular emphasis will be placed on large steam units. Pdf design and manufacturing of horizontal and vertical. New tool shortens time required for vertical shaft alignment. These criteria not only influence which type of turbine to use, but are critical to the design of the entire turbine system. Turbine inspection and alignment using laser trackers.
Gas turbine alignment services dimensional metrology experts. Flexible staging enables these units to meet capacity requirements in a minimum of floor space. Our innovative approach and equipment will shorten the time of. Vertical shaft hydrounits description to better understand the alignment process, it is important to understand the basic construction of vertical shaft hydrounits. Renewable energy sources are the cleanest from of these sources, because there is no.
Figure 1 shows a typical vertical shaft hydroelectric unit as found in bureau of reclamation powerplants. The steam turbine alignment seminar teaches participants the theory and correct alignment practices for steam turbinesgenerators. Vertical shaft plumbness of hydro turbines kvr energy limited. Us8587145b2 vertical axis hydro kinetic wind turbine. Gas turbine alignment hydro turbine alignment steam turbine alignment machine.
Hydro tasmania shares ideas for improving the alignment process. Process metrology, llc is a cincinnati, oh based laser alignment, vibration analysis and dynamic balancing service and training company committed to the health of your web processes and rotating equipment through precision laser alignment, vibration analysis and inplace dynamic balancing field services. Alignment center is a windows based software platform for all pruftechnik alignment instruments and applications. May 15, 2018 the x alignment of the flow approaching the blade occurs at all the inner sides of the configuration. Plant maintenance has become more important than ever. Acquip services hydro turbine laser alignment youtube. Our alignment software is used for preparing, analyzing, archiving. Surface flatness in hydro turbine with levalign expert. Our innovative approach and equipment will shorten the time of your outage and it will increase the operational. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and.
Preload thrust bearing by jacking unit with brake jacks to unload, then tighten screws 4. By utilizing the full capabilities of the radian laser tracker and specialized software, api can produce a master control plan relevant to. The extent of the work required during an overhaul will depend a great deal on operating conditions such as water quality and how the unit was loaded. Pdf vibration analysis of a hydro generator for different. Turbine tools the concentricity alignment tool cat allows you to directly measures the amount of diaphragm misalignment with the rotor in place. Pdf reports can be generated and directly saved from the system onto a usb stick. The head rub bars ride on the turbine shaft and the head lever arm rides on the id of the diaphragm. Vertical shaft plumbness measurement training class alignment. On large turbinegenerators, the outer bearings could be up to 25 mm above the leve of the central bearings. Turbines for hydropower plants by using a generator, hydro turbines convert the kinetic power of water into electrical energy. A guide to properly align and install vertical turbine pumps.
Outofroundness of vertical turbine shafts alignment measurements of bearing positions. Vertical axis wind turbine for highway application. The concentricity alignment tool cat allows you to directly measures the amount of diaphragm misalignment with the rotor in place. Every element of the turbine must be assembled in the right order and precisely. Given their often remote locations, high speeds, lack of frequent operator and maintenance interaction, and the general danger of mounting heavy, high speed machinery on a mast several hundred feet in the air, proper shaft alignment is one of the crucial components of wind turbine operation. In practice, turbine to generator alignment starts with precision measurements of both offset and angle in order to calculate the required corrections. A wind turbine for power generation includes a vertical axis hydro kinetic wind generator with an independent free turning magnetically levitated high powered magnetic translator stack. A novel vertical axis water turbine for power generation from. With the addition of the hydraulic downthrust of the turbine, the springs will deflect to equalize. Acquip now provides laser alignment and 3d measurement services for hydro turbines. Bureau of reclamation hydro personnel use standard procedures for aligning vertical shaft hydro units after maintenance. Rotatek provides 3d gas turbine alignment service and precision measurement solutions including internal alignment, shaft and coupling alignment, generator alignment, turbine geometry, horizontal and vertical joint surface mapping, crossover piping dimensioning and more. Rotatek provides advanced 3d hydro turbine alignment service and precision measurement solutions for power generation applications worldwide.
These pictures are of an alignment that was done by using optical tooling method versus wireline or machinist level. The artificial intelligence software in the laser system then discards that portion of the data collected that it considers suspect for that period where. Turbine inspection and alignment using laser trackers api. Simultaneous monitoring of machine corrections in vertical and horizontal directions at any sensor position. A novel vertical axis water turbine for power generation. The permaplumb system is a laserbased plumbness measurement tool. Vertical hydro unit alignment vsat vertical shaft alignment tool. The alignment is arranged so that the shaft system has minimum bending moments at the shaft couplings. It is the perfect solution to manage your sites, plants and machines in a common database and for preparing, analysing, organising and archiving your measurement files. Measuring hydro turbines levelling and surface flatness during assembly a flexible system for many measurement tasks timeefficient measurement method rotalign ultra is the platform for a wide range of applications, such as determining straightness and surface flatness, vertical alignment, rotary axial alignment and much more. Inserted into the empty packing groove, the concentricity alignment tool cat allows annular space variations to be displayed on a lcd display as it is pulled through the packing groove as shown. The proper alignment of a vertical shaft hydro unit is important for longterm reliable operation. Process metrology, llc is a cincinnati, oh based laser alignment, vibration analysis and dynamic balancing service and training company committed to the health of your web processes and rotating equipment through precision laser alignment, vibration analysis and in. Professional dimensional metrology service provider to over 260 clients experience in hydro, gas, and steam turbine applications successfully integrating the laser tracker technology to the power industry client list includes.
Among the most versatile pumps in pattersons arsenal, the sentinel vertical turbine fire pump stands on our vertical pump expertise. Vertical hydro turbine alignment process metrology, llc. Our field service service engineers utilize stateoftheart faro vantage laser trackers enabling us to measure quickly. Head can be expressed as vertical distance feet or meters, or as pressure. Blockencfd simulation of a vertical axis wind turbine operating at a moderate tip speed ratio. The main and most attractive use of the electronic level in a power plant is to accurately measure the shaft system verticality, eliminating the need for the four. Using stateoftheart laser tracker solutions, schaeffer precision alignment provides dimensional measurement expertise for gas turbine systems across a. The small hydro power generated can be used for power supply to the data collection systems in underground and congested locations or to maintenance work at remote locations. Our specialized metrology engineers will conduct the following to complete hydro turbine alignment. Our alignment software is used for preparing, analyzing, archiving measurement files and printing professional reports.
This paper explains and shows how to use an electronic level for various applications related to hydrogenerator works. Dec 30, 2016 this feature is not available right now. Facilities instructions, standards, and techniques volume. The target returns the reflected laser beam parallel but offset back to the tracker where it hits. In addition, coupling alignment, thermal growth inspection, new installation and relocations can be also be performed. Vertical shaft plumbness of hydro turbines kvr energy. Andritz hydro has more than 175 years of accumulated experience in turbine design and has over 31,000 turbines more than 430,000 mw installed globally. The alignment of turbinegenerator sets poses unique challenges that only the best laser shaft alignment systems can overcome. Then, the data is exported to 3d inspection software for easy evaluation, which generates documentation of the measurements process. Hydro turbine laser alignment services and precision measurement solutions include 3d alignment, turbine geometry and dimensional analysis, large part inspections, reverse engineering, geometric dimensioning, tolerancing, levelness, plumbness, flatness, straightness, concentricity, parallelism, circularity, cylindricity, perpendicularity and more for impulse and reaction type turbines including francis hydro turbines, kaplan hydro turbines, pelton hydro turbines and others. It was especially created to enable a quick and efficient design optimization of rotating machinery components. Vertical turbine pump 3d cad model library grabcad. Design and manufacturing of horizontal and vertical wind turbine with 3d printing technology. Traditionally, plumbness measurements on a vertical hydro turbine generator shaft involved stringing a series of wires along the length of the shaft, attaching a weight to the end of the wires and then measuring the space from the wire to the shaft.
Traditional alignment methods for turbine applications involve tight wires, oilfilled cans, feeler gauges, optics and sound micrometers. Advantages of vertical axis tidal turbines set in close. Hydro turbine retrofitting is a complex and multiphase process. Every element of the turbine must be assembled in the right order and precisely aligned. The cfd software used for the simulations is ansys fluent v15. The blue energy turbine is a vertical axis hydro turbine that generates electricity from the kinetic movement of water in rivers and tidal currents. The procedures rely on traditional approaches to shaft alignment, as. Traditional methods to measure the alignment condition of a hydro turbine, although workable and reasonably accurate, are very time consuming. Mechanical dynamics and analysis topless turbine laser alignment service eliminates the time consuming and expensive process of reassembling a steam turbine for topson alignment measurements, saving hundreds of manhours labor per turbine section. All of the diaphragm centers have to sit at a certain horizontal and vertical deviation from a reference line to within 0. Inclineo is a powerful laser alignment instrument based on a high precision electronic inclinometer technology. The project designed several types of vawt blades with the goal of maximizing the efficiency of a shrouded turbine. Efficiency, reliability, and availability, always the watchwords of power companies, are being stressed. This project studied the potential for installing roofmounted vertical axis wind turbine vawt systems on house roofs.
Tva uses this measurement as part of its vertical shaft alignment tool vsat to shorten the time required to align units before returning them to service. Two inclinometers left and right attached to a turbine shaft measure deviation from plumb. In combination with easytomount bracketing, inclineo measures the inclination along edges and rails and even on vertical. It is often necessary to deliberately misalign par ticular bearings when cold so that an acceptable ho alignment is achieved. The project also used a wind simulation software program, wasp, to analyze existing wind data measured. When contact is made with the tight wire, the pack vibrates and the red light on top of the unit lights continuously. Vertical hydro turbine generator alignment amp maintenance. Rotatek provides fast and accurate 3d steam turbine alignment and precision.
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