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Evaluation Model of Demand-Side Energy Resources in Urban Power Grid Based on Geographic Information

机译:基于地理信息的城市电网需求侧能源评价模型

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摘要

In the context of current energy shortage and environmental degradation, the penetration rate of demand-side energy resources (DSER) in the power grid is constantly increasing. To alleviate the problems concerning the energy and environment, it is of tremendous urgency to develop and make effective use of them. Therefore, this paper proposes the evaluation model of DSER in urban power grid based on geographic information, and a variety of demand-side energy resources in a region is evaluated. Firstly, as for five kinds of DSER, revolving wind power generation (WG), photovoltaic power generation (PV), electric vehicle (EV), energy storage (ES), and flexible load, the commonality indexes and individuality indexes of all kinds of resources are selected based on geographic information. The commonality indexes are common indexes of all DSER, and the individuality indexes are unique indexes of all DSER. Then the weight of each subindex under the commonality and individuality indexes are determined by analytic hierarchy process (AHP) and entropy weight method, respectively. Finally, weighted overlay are made according to the weights and quantized values of each index, and a comprehensive score is obtained from the commonality indexes and individuality indexes upon various demand-side energy resources in the region. The result depicts that the proposed evaluation model of demand-side energy resources is of well practicability and effectiveness, which is beneficial to the planning of the city and the power grid. Most of all, such model provides a strong support for the long-term optimization planning and the medium-term optimization aggregation of DSER.
机译:在当前能量短缺和环境劣化的背景下,电网中需求侧能量资源(DSER)的渗透率不断增加。为了减轻有关能源和环境的问题,发展和有效地利用它们是巨大的紧迫性。因此,本文提出了基于地理信息的城市电网DSER评估模型,并评估区域中的各种需求侧能量资源。首先,对于五种DSER,旋转风力发电(WG),光伏发电(PV),电动车辆(EV),能量存储和柔性负载,普通索引和各种的个性指标。基于地理信息选择资源。共性索引是所有DSER的常见索引,而个性索引是所有DSER的唯一索引。然后,分别由分析层次处理(AHP)和熵权法决定在共度和个性索引下的每个子地区的重量。最后,根据每个索引的权重和量化值进行加权覆盖,并且在该区域中的各种需求侧能量资源上从共度索引和个性索引获得综合分数。结果表明,需求侧能源资源的建议评估模型具有良好的实用性和有效性,这对城市和电网的规划有利。最重要的是,这种模式为长期优化规划和DSER的中期优化聚集提供了强大的支持。

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