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Influence of Distributed Generation on Distribution Networks During Faults

机译：故障期间分布式发电对配电网的影响

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Distributed generation is playing an increasingly important and positive role in decreasing network losses, reducing electricity prices, maintaining environmental and economical benefits, reducing the investment in generation capacity, and delaying the upgrade of the transmission system. Therefore, researchers have become interested with distributed generation and its connection with the main power network. But before connecting these resources with the main grid on the low-voltage level, the worst-case scenario that could occur must be analyzed first. This article introduces a procedure to study the effect of the distributed generation units on distribution systems during short-circuit periods. This effect is measured in terms of fault current, transient time, voltage total harmonic distortion, voltage sag, and voltage swell. The main objective of this study is to study the influence of distributed generation on distribution systems so the maximum distributed generation penetration that can be adopted in a distribution system without degrading the system performance is determined. A general purpose alternative transients program version of the electromagnetic transient program is used to accomplish the above goals. The proposed method is tested on IEEE 13-node test feeder distribution system to demonstrate its performance.
机译：分布式发电在减少网络损耗，降低电价，保持环境和经济效益，减少对发电能力的投资以及延迟传输系统升级方面发挥着越来越重要的积极作用。因此，研究人员对分布式发电及其与主电源网络的连接产生了兴趣。但是在将这些资源与低压水平的主电网连接之前，必须首先分析可能发生的最坏情况。本文介绍了一种程序来研究短路期间分布式发电装置对配电系统的影响。根据故障电流，瞬态时间，电压总谐波失真，电压骤降和电压骤升来测量此影响。这项研究的主要目的是研究分布式发电对配电系统的影响，从而确定可以在不降低系统性能的情况下在配电系统中采用的最大分布式发电渗透率。电磁瞬变程序的通用替代瞬变程序版本用于实现上述目标。该方法在IEEE 13节点测试馈线分配系统上进行了测试，以证明其性能。

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