|Feb17-10, 02:45 PM||#1|
Maximum licensable core power rating
Back in the 1970's and 1980's I was told that the NRC wouldn't license a design over 3800 or 4000 MWth. The new designs must be considerably higher (another post mentions the Hitachi at 1700 MWe, seems like that must be approaching 5000 MWth core power). Was I given bad info way back when, or has the NRC/ACRS had a change of opinion that lets them consider such core designs? I can (almost) remember seeing the upper limit in print somewhere (SRPs??) but I can't find it now.
|Feb17-10, 03:59 PM||#2|
From IAEA the evolutionary LWRs are:
As far as I know, Hitachi offers BWRs, e.g., ABWR. The ABWR-II is a 4960 MWt / 1700 MWe NPP. It uses a larger (wider) assembly and larger (wider) water gap than current BWRs.
Ref paper from ICONE1999: http://www.jsme.or.jp/monograph/pes/...K06/FP7426.PDF
AREVA/EdF N4 plants are rated 4270 MWt with 205 17x17 assemblies/core and 14-ft active fuel height.
Mitsubishi - US-APWR is rated 4451 MWt with 257 17x17 assemblies/core and 13.8-ft active core height.
AREVA EPR is rated 4590 MWt with 241 17x17 assemblies/core and 13.8-ft active core height.
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