研究目的
To model mathematically the generator-ESD interaction, as well as implementing strategic loading for the ESD system to reduce fuel consumption and emissions.
研究成果
The paper concludes that strategic loading of ESDs can significantly reduce fuel consumption and emissions in hybrid marine power plants, especially when generators are disconnected. The combination of optimum set-point operation with peak shaving is advantageous. The study also highlights the importance of correct interpolation algorithms for optimization.
研究不足
The study assumes ideal inner controller for ESD and stable generator inner controller. The effects of generator thermal response on fuel consumption and emissions are ignored. The methodology requires deep understanding of generator properties for every possible operation condition.
1：Experimental Design and Method Selection:
The study uses a new model to calculate fuel saving and emission reduction potential based on ESD maximum charge/discharge rate, engine efficiency, and SFOC curve. Spline approximation and linear interpolation methods are used for numerical solution and optimization.
2：Sample Selection and Data Sources:
Data from hybrid marine power plants with ESDs are used, including generator disconnection scenarios.
3：List of Experimental Equipment and Materials:
Energy storage devices (ESDs), diesel and gas engines, generators, and marine power plants.
4：Experimental Procedures and Operational Workflow:
The study analyzes several cases with and without generator disconnection, using spline approximation and linear interpolation for optimization.
5：Data Analysis Methods:
The optimization process uses the Karush–Kuhn–Tucker method and Lagrange multipliers to minimize fuel consumption.
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