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Planning optimal load distribution and maximum renewable energy from wind power on a radial distribution system.

机译：在径向分配系统上规划最佳的负荷分配和最大的风能可再生能源。

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摘要

Optimizing renewable distributed generation in distribution systems has gained popularity with changes in federal energy policies. Various studies have been reported in this regard and most of the studies are based on optimum wind and/or solar generation planning in distribution system using various optimization techniques such as analytical, numerical, and heuristic. However, characteristics such as high energy density, relatively lower footprint of land, availability, and local reactive power compensation ability, have gained increased popularity for optimizing distributed wind generation (DWG) in distribution systems.;This research investigated optimum distributed generation planning (ODGP) using two primary optimization techniques: analytical and heuristic. In first part of the research, an analytical optimization method called "Combined Electrical Topology (CET)" was proposed in order to minimize the impact of intentional structural changes in distribution system topology, in distributed generation/ DWG placement.;Even though it is still rare, DWG could be maximized to supply base power demand of three-phase unbalanced radial distribution system, combined with distributed battery energy storage systems (BESS). In second part of this research the usage of DWG/BESS as base power generation, and to extend the ability to sustain the system in a power grid failure for a maximum of 1.5 hours was studied. IEEE 37-node, three-phase unbalanced radial distribution system was used as the test system to optimize wind turbines and sodium sulfide (NaS) battery units with respect to network real power losses, system voltage profile, DWG/BESS availability and present value of cost savings. In addition, DWG's ability to supply local reactive power in distribution system was also investigated.;Model results suggested that DWG/NaS could supply base power demand of a three-phase unbalanced radial distribution system. In addition, DWG/NaS were able to sustain power demand of a three-phase unbalanced distribution system for 1.5 hours in the event of a power grid failure.
机译：随着联邦能源政策的变化，优化配电系统中的可再生分布式发电已获得普及。在这方面已经报道了各种研究，并且大多数研究基于使用各种优化技术（例如分析，数值和启发式）的配电系统中的最佳风能和/或太阳能发电计划。然而，诸如高能量密度，相对较低的土地占用，可利用性和本地无功补偿能力等特性已在优化配电系统中的分布式风力发电（DWG）方面获得了越来越多的普及。 ）使用两种主要的优化技术：分析和启发式。在研究的第一部分中，提出了一种称为“组合电气拓扑（CET）”的分析优化方法，以最大程度地减少配电系统拓扑结构中的故意结构更改对分布式发电/ DWG布置的影响。罕见的是，可以将DWG最大化以满足三相不平衡径向配电系统与分布式电池储能系统（BESS）的基本电源需求。在本研究的第二部分中，研究了将DWG / BESS用作基础发电，并扩展了在电网故障中维持系统最多1.5小时的能力。使用IEEE 37节点三相不平衡径向分布系统作为测试系统，以针对网络有功损耗，系统电压曲线，DWG / BESS可用性和当前值，优化风力涡轮机和硫化钠（NaS）电池组。节约成本。此外，还研究了DWG在配电系统中提供本地无功功率的能力。模型结果表明DWG / NaS可以满足三相不平衡径向配电系统的基本电力需求。此外，在电网故障的情况下，DWG / NaS能够将三相不平衡配电系统的电力需求维持1.5小时。

著录项

  • 作者

    Weerasinghe, Handuwala Dewage Dulan Jayanatha.;

  • 作者单位

    Kansas State University.;

  • 授予单位 Kansas State University.;
  • 学科 Electrical engineering.
  • 学位 Ph.D.
  • 年度 2015
  • 页码 147 p.
  • 总页数 147
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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