New problems faced by the old reactor type: the control method of axial power deviation △I

Heng Liu; Lu Li; Bo Wang

doi:10.1117/12.2673055

25 April 2023 New problems faced by the old reactor type: the control method of axial power deviation △I

Heng Liu, Lu Li, Bo Wang

Proceedings Volume 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022); 125982F (2023) https://doi.org/10.1117/12.2673055
Event: Eighth International Conference on Energy Materials and Electrical Engineering (ICMEE 2022), 2022, Guangzhou, China

Abstract

Before 2010, it was generally believed that the control method of △I was difficult for M310 improved CPR100, a typical representative of millions of nuclear power units, and it was regarded as one of the difficult problems that reactor operators and even senior operators must strive to overcome. With the increase of the capacity of nuclear power units and the expansion of various new energy units, great changes have taken place in the power structure of the power grid. The operation of nuclear power plants has been required to join the camp of peak shaving from a single long-term maintenance of full power, which brings about changes in the core control strategy, and the control of axial power is the most prominent problem in the core control. The control strategy and key points of axial power deviation of 1000 MW nuclear power unit for reducing load to 75% Pn are analyzed in this paper, the conclusion can provide reference for the operation of nuclear power unit.

Citation Download Citation

Heng Liu, Lu Li, and Bo Wang "New problems faced by the old reactor type: the control method of axial power deviation △I", Proc. SPIE 12598, Eighth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2022), 125982F (25 April 2023); https://doi.org/10.1117/12.2673055

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