Compact structure, easy to install, very little civil works. The turgo turbine is an impulse machine, using nozzles to direct a rapid jet of water towards. The suitability of a hydroelectric turbine to a particular site depends on the sites head, h, and water flow rate, q. We only sell the turgo wheel to existing customers who need replacement parts for now discontinued hydro generators. I have not studied turgo turbine, so cant explain any concepts. Analysis of the mini turgo hydro turbine performance for. The difference in the pressure of water when the entrance to the turbine and exists to the turbine after striking the runner blades is too high, due to more amount of pressure difference, the air molecules which are relatively at high pressure then the water. Flow analysis of turgo impulse turbine for low head. For the same power, the tugo runner is one half the diameter of the pelton runner. The working principle of this turbine is same as other impulse water turbines. Pdf performance of a low cost spoonbased turgo turbine for. A turgo turbine is a type of hydro turbine specifically an impulse turbine, developed in the 1920s, that is a variant of the pelton turbine. Pelton turbines, as a result of their low specific speed, are generally the optimum solution for schemes with a high available head.
Easy to install and maintain for this kind of little system lower than 5kw, from 5kw to 100kw we offer customer made system. Flow modeling and runner design optimization in turgo. The model is non realistic, build for just explaining the blade shape and design of turgo turbine. Eric crewdson, the grandfather of our current chairman mr.
It is widely used in hydro power stations with the head of 31 80 meters. It was discovered in 188 0 by an american engineer lestera. This transition of focus from power to energy means operating time has to be considered in the turbine selection process. Nevertheless, published literature about the turgo turbine is limited and indicates that current theory and experimental knowledge do not adequately explain the effects of certain design parameters, such as nozzle diameter, jet inlet angle, number of blades, and blade speed on the turbines efficiency. In this case the jets aimed to strike the plane of the runner on one side and exists on the other. The initial cost of the turbine is low and is similar to. Purchasing and installing turgo generators tends to cost less than pelton wheels, since turgo runners can handle a greater flow than the same diameter pelton wheel. Under the best conditions, the turgo turbine efficiency was observed to be over 80% at a speed ratio of approximately 0.
Sensitivity study conducted over setup parameters showing best performance region. Turgo turbine turgo impulse turbine 16 models available. High specific speed turgo hydro turbine turgo water. Turgo turbine impulse turbine 3d cad model library. Single nozzle 100kw small turgo turbine generator unit for. As a result of its ability to maintain its original efficiency, the turgo turbine is particularly well suited for runofriver schemes with large flow variation. The main difference between the turgo and pelton turbine is the. Because different hydro power project head and flow should choose different turbine and different size turbine runner to meet, turbine specification table can not show all the detail to meet all kind of condition of customers project situation, here table only for reference, so. In particular turgo turbines use identical spearjets to regulate the flow rate through the turbine. The turgo turbine, in figure 3, is an impulse turbine. The turgo turbine is an impulse water turbine designed for medium head applications. Further improvements in 1936 and 1962, complete with patents, enabled the runner to operate faster and with a higher effi ciency across a broad fl ow range. This paper uses two modern commercial cfd software packages to compare the performance of a standard and improved impulse turbine injector developed in a previous study.
Turgo turbines achieve efficiencies of about 87% efficiency in practice wikipedia turgo turbine. The turgo impulse design is a high capacity, medium head, free jet impulse turbine. Siapro hydroelectricity plants implementation, water. Pdf optimal design and experimental validation of a turgo model. A second type of impulse turbine available for highhead use is the turgo turbine. Thus the turgo impulse turbine was born and a patent was applied for in 1919 and granted to the young engineer, eric crewdson. The water in a turgo turbine is moving quickly high velocity head, figure 2. Turgo turbine was developed gilkes energy company in 1919. The results also showed that there was lower peak efficiency of both turgo and pelton turbines in the experiments as compared to the theoretical speed rations. Operational turgo turbines achieve efficiencies of about 87%. Our turgo wheel or turgo runner is a cast epoxy impeller designed to provide efficient performance on microhydro turgo wheel water turbines. Scott, gilkes, uk the turgo impulse turbine is a simple and robust design that generates power from a high velocity jet of water.
Download this free icon about turgo turbine, and discover more than 7 million professional graphic resources on freepik. Guidance for runofriver hydropower screening requirements. Instead of the jet striking the centre the bucket at a right angle and splitting into two the jet on the turgo enters the runner at an acute angle, passes through the. Pelton turbine among different types of impulse turbines, pelton wheel is the only turbine beingused at present. Over 100 years later the turgo maintains its place as one of the most popular hydropower turbine designs, testament to the longevity of the original design and technology. The turgo turbine is an impulse machine similar to a pelton turbine but which was designed to have a higher specific speed. The turgo impulse turbine was invented and patented by mr. The design of this impulse water turbine is inspired from pelton turbine. Micro hydro page turgo power pelltonwheels runners pellton. In the pulley is an open trapeze channel in which is located a steel. It operates under v ery high heads upto 1800 m and requires comparatively lesser quantity of water. The jet coming out of the nozzle hits one or multiple buckets, rotating the turbine wheel and thus creating mechanical power.
Highlights turgo turbine performance model and volume efficiency model developed. It converts the kinetic energy from the water jet into mechanical energy. An experimental investigation of design parameters. Pico turgo turbine below 5kw professional micro hydro. The turbine connects with generator by flexible coupler integrated with the flywheel. The fluid power is converted into kinetic energy in the nozzles. Pdf this work presents the development and application of a new optimal design methodology for turgo impulse hydro turbines. Analysis of the mini turgo hydro turbine performance for different. The turgo impulse turbine provides a unique and novel solution to increasing the capacity of a hydraulic impulse turbine while maintaining the nozzle and spear injector system as used in pelton. The test results show that the turgo turbine has a realtively stable efficiency on different flow rate compared to pelton turbine because the energy. Designed in 1919 by gilkes as a modification of the pelton wheel, the. Pico turgo turbine is our regular water turbine generator on stock, people can buy it from us, and we can deliver the turbine and voltage controller by express couriers like dhl etc. Experimental equipment for turgo turbine designed and built. In factory and lab tests turgo turbines perform with efficiencies of up to 90%.
The main difference between a pelton turbine and a turgo turbine is that turgo turbines use single cups instead of double cups on the wheel, and these cups are more shallow. The characteristic of pelton and turgo turbine performance. Pelton turbine or wheel is an impulsive turbine used mainly for high head hydroelectric schemes. In a hydroelectric power plant, this is used to drive the generator of the turbine and that generator generates the mechanical energy of the turbine into electrical energy. Turbine optimisation tests find 91% efficiency at 3. Turgo hydro generator 48 volt dc langstons alternative. An experimental investigation of design parameters for. The turgo turbine is an impulse water turbine designed for medium head applications, from 50m300m, between francis turbine and pelton turbine.
The pelton wheel is among the most efficient types of water turbines. Turgo turbine is the preferred turbine for hydropower when the available water source has a relatively high hydraulic head at low flow rates. Numerical investigation of the spear valve configuration. This is similar to the pelton in design, but whereas with the pelton turbine the water jets are in the same plane as the turbine wheel, in the turgo turbine the jet strikes each bucket from one side and then exits the turbine at. Figure 8 fully assembled turgo turbine with offcentre spearjet clearly visible the main physical difference is that the water jet strikes one side of the rotor and exits from the opposite side, as shown in figure 7. Mini turgo turbines have four manual ball valves with four different diameters of nozzle. A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. Now they are mostly used for electric power generation.
With inclined jet turbine, the water flow output from nozzle flows along a certain angle of plane of rotation of the running wheel instead of flowing along the tangent of the turning wheel, and the water flow goes inside the blades from one side and goes out form. Model and experimental results compare well at specific conditions. Forster technology is focused on design, manufacturing and marketing of micro hydro turbine generators. The two injector designs are compared by simulating the twodimensional 2d axissymmetric cases as well as full threedimensional 3d cases including the bend in the branch pipe and the guide vanes. Complete 12 volt system with turgo runner, 3phase pma and ac to dc rectifier for economic power transmission. This turbine is horizontal turgo turbine with single nozzle and single runner. In siapro we have 20 years of experience and numerous references in the field of design and implementation of small hydro power plants and water turbines pelton, kaplan, francis. Fem analysis of turgo impulse turbine blade sourabh khurana1, varun goel2 and anoop kumar2 1school of engineering and technology, shoolini university, bajhol, solan 173212, india 2department of mechanical engineering, national institute of technology, hamirpur 177005, india corresponding authors email.
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