Thermal Performance Monitoring and Optimization in Nuclear Power Plants: Experience and Lessons Learned

Rising operating costs and competition have focused attention on improving thermal performance in nuclear power plants (NPPs) to ensure efficient electricity generation. This publication provides methodologies for tracking and trending NPP thermal performance, including design, operation, maintenance, and ambient conditions.

Format: Paperback / softback
Length: 220 pages
Publication date: 28 February 2022
Publisher: IAEA

The increasing costs of operations and fierce competition in the nuclear power plant (NPP) industry have brought to the forefront the critical importance of enhancing thermal performance to ensure efficient electricity generation. To achieve this goal, a comprehensive understanding of NPP design, operation, maintenance, ambient conditions, and thermal sciences is essential. This publication offers a comprehensive range of methodologies for tracking and trending NPP thermal performance. It delves into the fundamental aspects of a thermal performance program, providing guidelines on designing the balance of plant systems for new build NPPs and enhancing existing programs for operating NPPs.

The primary objective of improving thermal performance in NPPs is to optimize energy conversion efficiency and reduce fuel consumption. This can be achieved through various strategies, including enhancing heat transfer systems, improving insulation materials, and implementing advanced control algorithms. By improving thermal performance, NPPs can increase their operational flexibility, allowing them to respond more effectively to changes in demand and maintain a stable power supply.

One of the key challenges in improving thermal performance is the complex nature of NPP systems. These systems involve multiple components, including reactors, turbines, generators, and heat exchangers, which operate under a wide range of conditions. Therefore, accurate modeling and simulation of these systems are essential for identifying potential improvements and optimizing thermal performance.

In addition to modeling and simulation, data analysis is another important tool for tracking and trending NPP thermal performance. By analyzing historical data, operators can identify patterns and trends that can help them optimize operational strategies and improve thermal performance. This data analysis can also be used to identify potential issues and prevent them from escalating into more significant problems.

Another important aspect of improving thermal performance is the development of maintenance and inspection programs. Regular maintenance and inspection can help identify potential issues before they become significant problems, reducing the risk of downtime and improving thermal performance. This includes tasks such as cleaning and inspecting heat exchangers, replacing worn-out components, and conducting regular inspections of insulation materials.

In conclusion, enhancing thermal performance in NPPs is essential for ensuring efficient electricity generation and meeting the growing demand for clean energy. By implementing a comprehensive understanding of NPP design, operation, maintenance, ambient conditions, and thermal sciences, operators can optimize energy conversion efficiency and reduce fuel consumption. Additionally, by using advanced modeling and simulation, data analysis, and maintenance and inspection programs, operators can identify potential issues and prevent them from escalating into more significant problems.

Weight: 610g
Dimension: 297 x 210 (mm)
ISBN-13: 9789201238214