Research On Low-carbon Optimization Operation Of Integrated Energy System Based On Improved Ocean Predator Algorithm

The integrated energy system provides new ways to solve energy and environmental problems by integrating and optimizing different forms of energy.This system can fully leverage the complementary characteristics and synergistic benefits between various energy types,improve the comprehensive energy efficiency of the energy system and the absorption capacity of renewable energy,which is crucial for promoting the transformation of energy structure.In the context of achieving the goal of "double carbon",environmental issues have exerted tremendous pressure on the development of the energy industry.The energy complementarity characteristics of the integrated energy system provide the possibility for the implementation of the user side integrated demand response.In addition,as the carbon trading mechanism gradually matures,incorporating carbon trading into the optimization and scheduling of comprehensive energy systems is crucial for reducing carbon emissions in the system.Considering carbon trading can motivate participants to reduce carbon emissions and improve energy efficiency,thereby promoting energy conservation,emission reduction,and environmental protection.Based on the above background,this paper takes the integrated energy system with CHP units as the research object,improves the marine predator algorithm,and studies the optimal operation of the integrated energy system considering the integrated demand response and the participation of carbon trading mechanism.The specific work is as follows:(1)A comprehensive energy system optimization operation method based on the improved ocean predator algorithm is proposed to address the relatively simple optimization algorithm used in the optimization operation of the comprehensive energy system.Firstly,a comprehensive energy system network architecture model including cogeneration units was constructed,and various equipment in the system was investigated and analyzed,and a mathematical model was constructed.Secondly,improve the ocean predator algorithm and apply it to the comprehensive energy system optimization operation model to calculate the optimal operation strategy;Finally,numerical analysis shows that the improved algorithm has significant advantages over other algorithms in terms of performance,and its application in the constructed comprehensive energy system optimization operation model can significantly improve system economy.(2)In order to solve the problem of ignoring users’ satisfaction with energy consumption in the study of demand response of integrated energy system,an optimization operation method of IES considering users’ satisfaction with energy consumption is proposed.Firstly,the load characteristics of electric load and heat load are analyzed,and a comprehensive demand response model is constructed;Secondly,a user satisfaction model is constructed,which uses various indicators of user satisfaction to quantify the user experience after comprehensive demand response,and adds it as a constraint to the optimization model;Finally,the proposed improved marine predator algorithm is used to solve the optimal operation model of the integrated energy system,and the simulation results show that the integrated demand response can significantly stabilize the power load fluctuation,reduce the peak valley difference,reduce the system operation cost,and improve the economy of the system;Finally,by analyzing the operating status of the system under different user energy satisfaction levels,within a certain range,considering that user energy satisfaction can bring a better energy experience.(3)In view of the requirement that the integrated energy system needs to realize the coordinated development of system economy and low-carbon,the carbon trading mechanism is introduced into the IES optimal dispatching based on the consideration of the integrated demand response.Using the baseline method to allocate carbon emission quotas for the system without compensation,and considering the actual carbon emissions of gas turbines and boilers,a carbon trading mechanism oriented towards IES is constructed.Finally,with the objective function of minimizing the sum of energy purchase cost,carbon trading cost,and operation and maintenance cost,a low-carbon optimization operation model for the comprehensive energy system is established.The effectiveness of the proposed model is verified through simulation experiments.After analysis,formulating a reasonable carbon trading price can achieve the synergy of system economy and low-carbon performance.