Power Plant Simulation Correction Using Real-Time Field Values
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Solution Overview
Problem
Existing power plant simulators struggle to reflect real-time changes and dynamic conditions, leading to limitations in predictive simulations and the inability to track power plant status in real time.
Innovation Solution
A simulation system that includes an operation information DB management unit, an integrated simulation module, an initial condition DB management unit, a calculation method determination unit, and a simulation correction unit, which collectively allow for real-time tracking of power plant status by optimizing the simulation model with current field values and adjusting simulation parameters accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pre-classified scenarios are used for simulation initial conditions, then calculation speed and accuracy are improved, but adaptability to real-time changing conditions deteriorates
Solution Approach 1:
The system dynamically adapts simulation initial conditions by retrieving historical field data from the operation information database and using it as the basis for current simulation scenarios. This allows the simulation to transition from static pre-classified scenarios to dynamic conditions that reflect actual real-time plant status, resolving the contradiction between accuracy and adaptability.
Solution Approach 2:
The system establishes a feedback mechanism where simulation results are continuously compared with actual field data, and the operation information database is updated with new operational data. This closed-loop feedback enables the simulation to learn from real operations and continuously improve its accuracy while maintaining adaptability to changing conditions.
2Measurement precision
If separate initial conditions are created for each scenario, then simulation accuracy is improved, but device complexity and operational burden increase
Solution Approach 1:
The operation information database serves multiple functions: it stores historical field data, provides initial conditions for simulation, and accumulates operational data for future simulations. This universal database eliminates the need for separate initial condition files for each scenario, reducing complexity while maintaining accuracy through data-driven initialization.
Solution Approach 2:
The system automatically retrieves and processes operation data from the database to generate simulation initial conditions without requiring manual creation or configuration. This self-service approach reduces operational burden and complexity while ensuring that simulations are always initialized with accurate, up-to-date plant data.
3Stability of the object's composition
If standard data is used for external environmental variables, then consistency with design specifications is improved, but ability to reflect real-time changes deteriorates
Solution Approach 1:
The system pre-accumulates operation data in the database during normal plant operations, preparing real-world data before simulation needs arise. This preliminary data collection ensures that when simulations are run, accurate real-time conditions are already available, eliminating the need to choose between standard design data and actual plant data.
Data Source
AI summary
The present invention relates to a simulation system for simulating the behavior of a power plant, the system being characterized by: collecting all field values in the power plant at an nth point in time; simulating the behavior of the power plant at the nth point in time through a numerical analysis of a power plant model on the basis of the collected field values; providing, as a second initial condition, a field value obtained through the numerical analysis of the power plant model; and determining a simulation calculation method according to the result of comparing the power plant field values and a simulation calculation value.