Nuclear power plant
(1) Requirements for Corrosion Protection and Structural Health Monitoring <br/> The safe operation of a nuclear power plant depends on the integrity of its internal systems and equipment. For the metal structures within a nuclear power plant, particularly those exposed to the marine environment, corrosion protection and health monitoring are of paramount importance and must not be overlooked. <br/> (2) Practical Significance <br/> Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS): <br/> The system enables real-time acquisition, automated analysis, and alarm notification of cathodic protection data in nuclear power plants. It ensures timely detection of faults and defects, triggers alarms, performs intelligent diagnostics, and provides recommendations for corrective actions, thereby enhancing management efficiency and reducing operation and maintenance costs. <br/> Digital Twin–Based Structural Health Management System (HMS): <br/> By continuously monitoring key structural components of nuclear power plants—such as the containment structure, reactor vessel, and cooling system—for parameters like displacement, strain, and crack propagation—this system can identify potential structural issues, prevent severe accidents, and safeguard both plant integrity and worker safety. In addition, the system provides data on the structural health condition, which can inform maintenance strategies and extend the design life of the nuclear power plant, thereby playing a critical role in ensuring the safe operation of nuclear facilities.
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（ 1 ) Corrosion Protection and Structural Health Monitoring Requirements
The safe operation of a nuclear power plant depends on the intact and reliable functioning of its various internal systems and equipment. , regarding Metallic structures in nuclear power plants, particularly those exposed to the marine environment. In terms of ， Corrosion protection and health monitoring must not be overlooked.
（ 2 ) Practical Significance
Impressed Current Cathodic Protection and Monitoring System ( ICCP+CPMS ) ：
The system can Implement real-time data acquisition, automated analysis, and alarm notification for cathodic protection systems at nuclear power plants. Ensure timely detection of faults and defects with automatic alerts, enable intelligent diagnostics and provide recommendations for corrective actions, thereby enhancing management efficiency and reducing operation and maintenance costs.
Digital Twin–Based Structural Health Management System ( HMS ) ：
By continuously monitoring key structural components of nuclear power plants—such as the containment structure, reactor vessel, and cooling system—for parameters like displacement, strain, and crack propagation—this system can identify potential structural issues, prevent severe accidents, and safeguard both plant integrity and worker safety. In addition, the system provides data on the structural health condition, which can inform maintenance strategies and extend the design life of the nuclear power plant, thereby playing a critical role in ensuring the safe operation of nuclear facilities.
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Offshore platforms are typically designed for a service life of 25 years or more. However, their pile-leg structures exhibit long natural vibration periods, significant dynamic effects, and pronounced issues related to structural fatigue and corrosion. Consequently, structural safety and corrosion protection are critical factors that determine the platform’s service life. Therefore, there is an urgent need to enhance risk management for structural safety and to improve lifecycle integrity management, thereby ensuring the safe operation and maintenance of these platforms.
(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
The system boasts numerous advantages, including excellent protection performance, high reliability, ease of installation and operation & maintenance, energy efficiency and environmental friendliness, and a high degree of digitalization. It can intelligently adjust the anode output current at different locations based on the cathodic protection status of underwater structures, ensuring that the structures are consistently maintained in optimal protective condition and providing long-term, effective safety assurance throughout the entire service life of offshore platforms.
Digital Twin–Based Structural Health Management System (HMS):
By collecting structural data from offshore platforms in real time or on a scheduled basis, operations and maintenance personnel can promptly identify potential structural issues, such as corrosion, fatigue, displacement, and abnormal vibration. Leveraging the accumulated big data from monitoring enables intelligent prediction, proactive early warning, and planned maintenance, thereby assessing the platform’s health condition, forecasting future risks, and guiding maintenance and repair activities.
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(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
It can significantly extend the service life of offshore wind power facilities, enable refined and intelligent control of cathodic protection, reduce the frequency of maintenance and component replacement, and lower maintenance costs. At the same time, it enhances the safety and stability of the facilities, thereby preventing accidents and losses caused by corrosion and erosion.
Digital Twin–Based Structural Health Management System (HMS):
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(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
Impressed-current cathodic protection can significantly slow down or prevent the corrosion of steel piles, thereby extending their service life, reducing structural weakening and failures caused by corrosion, maintaining structural integrity, ensuring the stable operation and energy output of photovoltaic systems, enhancing overall economic benefits, and fostering the long-term development of the offshore photovoltaic industry.
Digital Twin–Based Structural Health Management System (HMS):
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(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
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Digital Twin–Based Structural Health Management System (HMS):
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(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
It can provide stable protection for subsea pipelines, particularly in areas with high soil resistivity. The system automatically adjusts the output current to maintain the pipeline surface at the designed protection potential, thereby delivering continuous and efficient cathodic protection. Effective cathodic protection reduces maintenance and repair activities caused by corrosion, lowers long-term operating costs, and ensures the safe transportation of oil and gas resources.
Digital Twin–Based Structural Health Management System (HMS):
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(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
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Digital Twin–Based Structural Health Management System (HMS):
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The safe operation of a nuclear power plant depends on the integrity of its internal systems and equipment. For the metal structures within a nuclear power plant, particularly those exposed to the marine environment, corrosion protection and health monitoring are of paramount importance and must not be overlooked.
(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
The system enables real-time acquisition, automated analysis, and alarm notification of cathodic protection data in nuclear power plants. It ensures timely detection of faults and defects, triggers alarms, performs intelligent diagnostics, and provides recommendations for corrective actions, thereby enhancing management efficiency and reducing operation and maintenance costs.
Digital Twin–Based Structural Health Management System (HMS):
By continuously monitoring key structural components of nuclear power plants—such as the containment structure, reactor vessel, and cooling system—for parameters like displacement, strain, and crack propagation—this system can identify potential structural issues, prevent severe accidents, and safeguard both plant integrity and worker safety. In addition, the system provides data on the structural health condition, which can inform maintenance strategies and extend the design life of the nuclear power plant, thereby playing a critical role in ensuring the safe operation of nuclear facilities.
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(2) Practical Significance
Impressed Current Cathodic Protection and Monitoring System (ICCP+CPMS):
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Digital Twin–Based Structural Health Management System (HMS):
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