分布式发电配电网平衡时的能量交换过程分析

Sergei Denysiuk, Vladyslav Lysyi
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引用次数: 0

摘要

研究表明,保持电能生产与消费的平衡是现代能源供应系统稳定运行的重要条件。可再生能源份额的积极增加迫使使用新的算法来平衡需求和供应,特别是以牺牲灵活性为代价。这意味着需要实施新的技术解决方案和方法来平衡发电和消费模式(快速响应需求和供应变化的能力),这反过来又需要详细分析电力系统中的能源交换过程。大家认识到,有必要深入分析能源组成的平衡,评估电力系统的电磁兼容性,特别是在可再生能源对当地电力市场的影响日益扩大的情况下。分析影响技术解决方案的各种因素和不同市场各方的合作是制定有效管理策略和确保电力系统稳定的关键组成部分。 考虑了局部电力系统能量交换过程分析与交换容量确定的特殊性,即电力非酸性各种因素对交换过程影响的整体特征。提出利用各能量恒定状态下的瞬时功率分量,在局部电力系统受控交叉口交换过程的基础上实现电能分量的平衡。分析了本地电力系统的交换过程,选择了不同的运行模式,特别是在评估本地电力系统元件的电磁兼容性水平时。 交换能力的引入使人们能够制定指标来评估当地系统各组成部分的电磁兼容性水平。为了估计消费者对公共接点电力质量恶化的贡献份额,提出了一种评估各要素相互影响的算法,通过分配各要素对受控交叉口电力畸变的贡献,分析各要素对系统要素中电磁过程的畸变影响程度。 建立了局部蓄能器电力系统平衡(柔性)优化模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ANALYSIS OF ENERGY EXCHANGE PROCESSES WHEN BALANCING REGIMES ENERGY SUPPLY SYSTEMS WITH DISTRIBUTED GENERATION
It is shown that maintaining a balance between the production and consumption of electric energy is an important condition for the stable operation of modern energy supply systems. The active increase in the share of renewable energy sources forces the use of new algorithms for balancing demand and supply, in particular, at the expense of flexibility. This implies the need to implement new technological solutions and approaches to balancing the modes of generation and consumption (the ability to quickly respond to changes in demand and supply), which, in turn, requires a detailed analysis of energy exchange processes in electric power systems. It is recognized that there is a need for an in-depth analysis of the balance of energy components, and an assessment of electromagnetic compatibility in electric power systems, especially in the conditions of the growing influence of renewable energy sources on local electricity markets. Analysis of various factors influencing technological solutions and cooperation of different market parties are key components for developing effective management strategies and ensuring the stability of the electric power system. The peculiarities of the analysis of energy exchange processes in local electric power systems with the determination of exchange capacities, which are integral characteristics of the influence of various factors of the non-acidity of electricity on exchange processes, are considered. It is proposed to balance the components of electric energy on the basis of exchange processes in controlled intersections of local electric power systems using the components of instantaneous power at each energetically constant state. The exchange processes in local electric power systems are analyzed with the selection of different modes of their operation, in particular, when assessing the level of electromagnetic compatibility of the elements of the local electric power systems. The introduction of exchange capacities made it possible to develop indicators for assessing the level of electromagnetic compatibility of the elements of the local system. To estimate the share of consumers' contribution to the deterioration of the quality of electricity at the common connection point, an algorithm for evaluating the mutual influence of elements is proposed, with the allocation of the element's contribution to the distortion of electricity in the controlled intersection and the analysis of the magnitude of the influence of distorting factors on electromagnetic processes in the system element. An optimization model for achieving the specified levels of balancing (flexibility) in local electric power systems with energy accumulators has been developed.
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