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首页> 外文期刊>Renewable Power Generation, IET >Optimal scheduled power flow for distributed photovoltaic/wind/diesel generators with battery storage system
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Optimal scheduled power flow for distributed photovoltaic/wind/diesel generators with battery storage system

机译：带电池存储系统的分布式光伏/风力/柴油发电机的最佳计划潮流

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摘要

In this study, two control strategies involving ‘continuous’ and ‘ON/OFF’ operation of the diesel generator in the solar photovoltaic (PV)-wind-diesel-battery hybrid systems are modelled. The main purpose of these developed models is to minimise the hybrid system's operation cost while finding the optimal power flow considering the intermittent solar and wind resources, the battery state of charge and the fluctuating load demand The non-linearity of the load demand, the non-linearity of the diesel generator fuel consumption curve as well as the battery operation limits have been considered in the development of the models. The simulations have been performed using ‘fmincon’ for the continuous operation and ‘intlinprog’ for the ON/OFF operation strategy implemented in Matlab. These models have been applied to two test examples; the simulation results are analysed and compared with the case where the diesel generator is used alone to supply the given load demand. The results show that using the developed PV-diesel-battery optimal operation control models, significant fuel saving can be achieved compared with the case where the diesel is used alone to supply the same load requirements.
机译：在这项研究中，模型化了两种控制策略，分别涉及太阳能光伏（PV）-风-柴油-电池混合系统中柴油发电机的“连续”和“开/关”运行。这些开发模型的主要目的是在考虑间歇性太阳能和风能，电池充电状态和波动的负载需求的情况下，找到最佳的功率流，同时将混合动力系统的运行成本降至最低，负载需求的非线性，非在模型开发中已考虑了柴油发电机燃油消耗曲线的线性以及电池运行极限。在Matlab中，使用“ fmincon”进行连续操作并使用“ intlinprog”进行开/关操作策略进行了仿真。这些模型已应用于两个测试示例。分析了仿真结果，并将其与单独使用柴油发电机满足给定负载需求的情况进行了比较。结果表明，与单独使用柴油来满足相同负载要求的情况相比，使用开发的PV-柴油-电池最佳运行控制模型可以显着节省燃料。

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