Optimal Operation of PV-Diesel MicroGrid with Multiple Diesel Generators Under Grid Blackouts

2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe) Pub Date : 2018-06-01 DOI:10.1109/eeeic.2018.8494571

Mansour Alramlawi, Ayeni Femi Timothy, A. Gabash, E. Mohagheghi, Pu Li

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引用次数: 15

Abstract

This paper addresses the optimal operation problem of a PV-diesel microgrid considering grid blackouts, which is a usual case of discontinuous power supply in developing countries. The model of a grid-connected PV-diesel microgrid is enhanced, and new practical constraints are added. In addition, a new mixed-integer nonlinear programming (MINLP) problem is formulated to optimize the power flow in the microgrid for covering the load while minimizing the power consumption cost as well as maximizing the dispatched power from the PV-array. To demonstrate the applicability of the developed model and the optimal operation strategy, a comparison between different system configurations is made. The results show that the proposed microgrid can reduce the dispatched power cost while decreasing the power curtailment from the PV-array. Moreover, installing multiple diesel generators (DGs) can significantly reduce the fuel consumption by the DGs in comparison to a single DG in the PV-diesel microgrid.

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电网停电条件下多台柴油发电机组PV-Diesel微电网的优化运行

本文研究了考虑电网停电的光伏-柴油微电网的最优运行问题，这是发展中国家电力供应不连续的常见情况。对并网的光伏-柴油微电网模型进行了改进，增加了新的实际约束条件。此外，提出了一种新的混合整数非线性规划(MINLP)问题，以优化微电网的潮流，以覆盖负载，同时使电力消耗成本最小化，并使光伏阵列的调度功率最大化。为了证明所建立的模型和最优运行策略的适用性，对不同的系统配置进行了比较。结果表明，所提出的微电网在减少光伏阵列的弃电的同时，可以降低调度的电力成本。此外，与光伏-柴油微电网中的单个柴油发电机相比，安装多个柴油发电机(DG)可以显著减少DG的燃料消耗。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe)

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