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China was the first country to operate a demonstration generation-IV reactor, the HTR-PM in Shidaowan, Shandong, [7] [8] which is a pebble-bed type high-temperature gas-cooled reactor. It was connected to the grid in December 2023, making it the world's first Gen IV reactor to enter commercial operation.
It is a generation IV design. The technology is based on the HTR-10 prototype reactor. [2] The reactor unit has a thermal capacity of 250 MW. Two reactors are connected to a single steam turbine to generate 210 MW of electricity (210 MWe). [2] HTR-PM uses a helium coolant and a graphite moderator. Each reactor is loaded with more than 400,000 ...
The HT 3 R, per the PCD, is a "Generation IV" (GEN-IV) gas-cooled (with Helium) reactor with a graphite block core containing fuel “compacts.” These compacts are made by mixing graphite with TRISO fuel pellets with Low Enriched Uranium (LEU) which has less than 20% of Uranium-235 .
A high-temperature gas-cooled reactor (HTGR) is a type of gas-cooled nuclear reactor which uses uranium fuel and graphite moderation to produce very high reactor core output temperatures. [1] All existing HTGR reactors use helium coolant. The reactor core can be either a "prismatic block" (reminiscent of a conventional reactor core) or a ...
Hot functional testing of the reactors began in January 2021, and operational start up is planned for late 2021. [11] The first reactor went critical, marking the first criticality of a generation IV commercial nuclear power plant, in September 2021. [12] Reactor two achieved first criticality in November 2021. [13]
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The TMSR-LF1 is a Generation IV reactor constructed with the following specifications: [18 ... New reactor specifications include: core graphite 3 m tall x 2.2 m ...
The uranium for conventional reactors is enriched up to 5% and HALEU is uranium enriched between 5-20%. Highly enriched uranium is anything more than 20% and is used in weapons or naval submarines.