Analysis of the methodical component of core power density field calculation error on the basis of Mohovce-1 commissioning tests

Alexander Brik, RRC “Kurchatov Institute”, Russia

19th Symposium of AER on VVER Reactor Physics and Reactor Safety (2009, Varna, Bulgaria)
Core Operation, experiments and code validation


In the first decade of June 2008, during the power commissioning of the reactor at Mohovce NPP unit 1, the experiment with reducing the thermal power of core almost to the balance-of-plant (BOP) needs was performed. After the reactor has operated for seven hours at low power (about 200(220 MW (thermal)), its power was increased (at a rate of about 0.25% of Nnom/min) to the initial level, close to 107% (1471 MW).

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