Adjustability balances the condition of the water system
Due to the extent of the project, the complete modernisation of Salahmi causes a five-month shut down of the hydropower plant. Nationally these renewals are, however, becoming more and more common as the lifecycles of hydropower equipment are coming to an end and the benefits of the renovations are clear. For Salahmi power plant an efficient, double-regulated Kaplan turbine has been chosen. The new turbine is considerably more environmentally friendly than its predecessors and enables a balance in the water level and the flow between the Salahmi lake above the plant and the Murennusjoki river below it, as well as lesser daily variations. The new turbine, and consequently the water flow, can be adjusted from 20 per cent to 100 per cent. In the previous solution the turbines could only be operated at either full or half power. With higher efficiency and extensive regulation capabilities, the hydropower plant can now more naturally follow the flow of the watercourse, while increasing its annual electrical energy production.
Juha Mäki, Senior Project Manager, Power Generation, VEO Oy, +358 400 477 930, firstname.lastname@example.org
Kim Råholm, Sales Director, Hydropower, Power Generation, VEO Oy, +358 40 559 5913, email@example.com