期刊
ANNALS OF NUCLEAR ENERGY
卷 130, 期 -, 页码 338-346出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anucene.2019.03.009
关键词
High-temperature gas-cooled reactor; Combined cycle; Integral mass flow control; Inventory control; Sliding pressure operation
资金
- National Science and Technology Major Project [ZX069]
- National Hi-tech R&D Program of China (863 Program) [2005AA511010]
High-Temperature Gas-cooled Reactors (HTGRs) have excellent development prospects because of their inherent safety and multiple application areas, such as hydrogen production. The combined cycle coupled with HTGR is a type of cycle for cascade utilization of energy that can efficiently convert heat from HTGR. In this paper, an off-design control strategy, called integral mass flow control, is proposed. The calculation model is discussed, and the performance at partial load is analyzed. When the load changes, the topping cycle is controlled by the inventory, and the bottoming cycle is adjusted by sliding pressure (the temperature of the main steam remains unchanged, and the pressure changes with the load), while the mass flow of the topping cycle and that of bottoming cycle changes synchronously. With this control strategy, the combined cycle coupled with the HTGR can be operated safely and efficiently within a load range of 100% to 30%. (C) 2019 Elsevier Ltd. All rights reserved.
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