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Kaplan (Axial flow) Turbine generator Unit
Category: Power generation equipment
Product Introduction
Kaplan (Axial-flow) turbine-generator unit is reaction-type hydro-power unit, suitable for medium-low-head (2-30 m) large-discharge hydropower stations. The unit adopts vertical-shaft layout. Water flows through the runner along the axial direction of main shaft. It includes adjustable-blade Kaplan type and fixed-blade propeller type, for exploiting low-head hydropower resources in middle-lower river reaches. Reference project: Norway New KK Hydropower Station (1 × 40 000 kW).
Working Principle
Water flows axially into runner and strikes airfoil-shaped blades to rotate runner, converting hydraulic energy into mechanical energy. The main shaft drives synchronous generator to produce electric power. For Kaplan type, runner-blade angle can be adjusted during operation to adapt to fluctuation of water head & discharge; propeller-type has fixed-pitch blades for stable operating-condition stations.
Technical Features
1.Specially designed for medium-low-head & large-discharge working condition with vertical-shaft layout;
2.Double regulation (wicket gate + runner blade) for Kaplan variant, offering wide high-efficiency operating range and stable efficiency under variable head-discharge conditions. Fixed-pitch propeller type features simpler structure and lower cost;
3.Large flow-passing capacity, well-suited for plain run-of-river hydropower stations;
4.Custom-built unit output according to project head and flow; proven overseas project references available.
Keywords:
Kaplan (Axial flow) Turbine generator Unit Power generation equipment
Kaplan (Axial flow) Turbine generator Unit
Power generation equipmentMetallurgical and mining equipmentEnvironmental protection equipment
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