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Collaboration of JAEA and NNC for Kazakhstan project on high-temperature gas-cooled reactor

カザフスタンの高温ガス炉プロジェクトのための日本原子力研究開発機構とカザフスタン国立原子力センターの協力

中塚 亨; Levin, A. G.*; 植田 祥平; Gizatulin, S.*; 橘 幸男; Kolodeshnikov, A.*; 坂場 成昭; Chakrov, P.*; 國富 一彦; Vassiliev, Y. S.*; Kenzhin, E. A.*; 小川 益郎

Nakatsuka, Toru; Levin, A. G.*; Ueta, Shohei; Gizatulin, S.*; Tachibana, Yukio; Kolodeshnikov, A.*; Sakaba, Nariaki; Chakrov, P.*; Kunitomi, Kazuhiko; Vassiliev, Y. S.*; Kenzhin, E. A.*; Ogawa, Masuro

電気出力300MWeに満たない小型高温ガス炉は、都市部や郊外のみならずカザフスタンのような新興国における配電インフラが未発達な地域へのエネルギー供給が可能な原子炉である。2007年に日本原子力研究開発機構(JAEA)とカザフスタン国立原子力センター(NNC)は、カザフスタンにおける高温ガス炉導入の早期実現に向け、原子力に関する研究開発協力を開始するとともに、高温工学試験研究炉(HTTR)技術に基づくカザフスタン高温ガス炉(KHTR)計画への支援を開始した。2010年に、JAEAは国内重工メーカー等と構成する日本チームと共同で、NNCのKHTRの概念検討の準備を支援するため、熱出力50MW、原子炉出口冷却材温度750$$^{circ}$$Cの蒸気タービン発電KHTRシステムの概念設計を開始した。

The small-sized high-temperature gas-cooled reactors (HTGRs) with an electric power rating of less than 300 MWe can greatly facilitate decentralized energy supply, and create new industries and stimulate economical development in cities and localities as well as in those remote regions to which power transmission grids are undeveloped in developing countries such as Kazakhstan. In 2007, Japan Atomic Energy Agency (JAEA) and National Nuclear Center of Kazakhstan (NNC) have started to collaborate in nuclear energy research and development for early realization of deployment of the HTGR in Kazakhstan, and to support for the Kazakhstan HTGR (KHTR) Project by utilizing the technologies developed under the High Temperature Engineering Test Reactor (HTTR) Project. In 2010, JAEA started a conceptual design of KHTR steam turbine system with thermal power of 50 MW and the maximum coolant temperature at reactor outlet of 750 $$^{circ}$$C for earlier development of HTGRs with support of Japan parties, which consists of Japanese industrial companies, etc. in order to support NNC for preparation of the feasibility study of KHTR.

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