TRANSIENT AND EQUILIBRIUM CYCLE CHARACTERISTICS ON PAKS UPRATED POWER UNITS 2ND GENERATION OF GADOLINIA FUEL
A power uprating project actually in progress on Paks NPP units in Hungary. Nominal power of Unit 4 and 1 has already increased to 1485 MWth (500 MWe), it is the 108% of former nominal power. In order to provide economic fuel cycle on uprated power, Paks tends to introduce higher enriched fuel. The fuel has modified geometry offered by fuel vendor, the pinwise enrichment profile is slightly modified according to Paks requirements.