HPP JARUGA 2 (1904.)
Krka National Park lies within Šibenik-Knin County, and covers a total area of 109 km² of the loveliest sections of the Krka River, and the lower course of the Čikola River. The national park is a vast and primarily [...]
Inspection Services
Quality Assurance and Quality Control Tekum was hired by the multinational group Rohr Idreco for QA/QC during the production of the pontoon system. The scope of the service included documentation review, inspection during welding, supervision during [...]
HE ORLOVAC 3x79MW – Revitalization of the PRV (Pressure Regulating Valve)
Application of the EDS (Energy Dissipation System) The PRV valve is designed to rapidly divert the water flow away from the turbine into a turbine bypass system when the guide vane apparatus needs to perform a sudden manoeuvre (for [...]
Wicket gate repair
Repair (in the process) of Francis turbine wicket gate (138MW HPP). Francis turbines are the most common water turbine used for electrical power production. Wicket gates around the outside of the turbine's rotating runner control the rate of water [...]
HPP SENJ (3x72MW)
TURBINE RUNNER CAVITATION DAMAGE REPAIR Small bubbles can form at a pressure less than the vapor pressure of the water. If the vapor bubble collapses near the runner surface, highly localized pressure forces can remove runner material. This phenomenon, [...]
Pressure test inspection
TEKUM carried out an pressure test inspection of the generator cooling pipeline for HPP Velebit. Velebit Pumped Storage Power Plant is a pumped-storage power plant in Croatia that has two turbines with a nominal capacity of 138 megawatts (185,000 [...]