The turbine is noiseless and there are no vibrations. Vlh turbine vlh and gates commissioning montodine italy by sorgent. Kaplan turbine and electrical generator cutaway view. The vlh is an integrated turbinegenerator set, incorporating a kaplan runner with eight adjustable blades, a distributor composed of 18 fixed guidevanes. Low head vlh is able to operate with very low heads, from 1,5 to 4,5 meters. Mj2 technologies, vlh tidal from rivers to tide the vlh proven design associated with the tidetec innovative concept. Civil work reduction the use of the vlh turbine allows a sensible reduction of civil works costs. Since the vlh concept only addresses a relatively narrow range of heads and flow rates, it is perfectly well adapted to being totally standardized. The vlh turbine is a recent development and combines a regulated propeller turbine with an inbuilt generator inside a. Vlh turbine mj2 technologies design and manufacturing of. Previously, for turbines designed for heads in the range of 1. The name vlh stands for very low head, and so the vlh turbine refers to applications with very low heads. This paper describes the experimental and numerical investigations of a very low head vlh waterturbine model downstream of a step profile, as encountered during installation in existing structures. A water turbine is a rotary machine that converts kinetic.
Pdf the very low head vlh turbine is a recent turbine technology. Pmga generator mj2 technologies designs, manufactures and assembles permanent magnets generators through its brand pmga. The grabcad library offers millions of free cad designs, cad files, and 3d models. Pdf design, simulation and experimental of the very low head. The permanent magnet generator pmg presents some unique. Vlh turbine very low head hydraulic turbines are bulky by nature.
Such permanent magnets generators pmg are the result of our teams knowhow on rotating machines and of research and development on the field of electromagnetism. Join the grabcad community today to gain access and download. Kaplan runner blades and its variable speed generator. The equipment control is based on a siemens industrial programmable logic controller. The vlh turbine is a large turbine with a directdrive variablespeed permanent magnet generator that is placed directly in a flow channel with. This paper describes the experimental and numerical investigations of a very low head vlh water turbine model downstream of a step profile, as encountered during installation in existing structures.
Fish friendly tests executed on eels, salmons, trouts and other species demonstrate unprecedent. More than a hundred vlh, its historical product, have been commercialized. Tidal turbine mj2 technologies design and manufacturing. Water turbines were developed in the 19th century and were widely used for industrial power prior to electrical grids. This results, for water supply works, in large civil engineering structures proportioned to the collected flow rates. From 2015, the company has diversified its interests developing its own blade profile with the aim of proposing kaplan turbines associated to permanent. A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Choosing a backup generator plus 3 legal house connection options transfer switch and more duration. Le rondeau hydroelectric power plant vlh turbine duration. The criterion was tested for vlh turbine and it was showed that it is suitable to define the initial geometry for machine design. Founded in 2004, the company mj2 technologies designs and manufactures turbogenerator groups for hydroelectricity. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Low head hydro market assessment volume 1 main report final.
Indeed, to generate even relatively moderate output on the order of some hundred kw under heads lower than 3 m, turbine flow rates can exceed 10 m3s. A range of machines provided in 5 diameters 3,1503,550 4,000 4,500 5,000 mm has thus been designed. Central system controller the central system controller defines the operating parameters of the turbine based on the head height measurements and other operating parameters, with the same principle as the logic controller used for conventional equipment. Turbine generator group installation ewa puchowska. The quantity of concrete is reduced and no external buildings are necessary. An inside look at a power plant turbine pedestal at deer.
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