Practical Charts for Sizing Neutral Grounding Elements for Machine-Based Distributed Energy Source Step-Up Transformers

被引：5

作者：

Nassif, Alexandre B. ^{[1
]}

Aguero, Julio Romero ^{[2
]}

Dong, Ming ^{[3
]}

机构：

[1] LUMA Energy, San Juan, PR 00907 USA

[2] Quanta Technol, Raleigh, NC 77056 USA

[3] AESO, Calgary, AB T2P 0L4, Canada

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2022年 / 37卷 / 03期

关键词：

Grounding; Substations; Transformers; IEEE Standards; Circuit faults; Voltage control; Voltage; Distributed energy resources; distribution engineering; overcurrent protection; grounding; ground fault overvoltage;

D O I：

10.1109/TPWRS.2022.3156439

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

One of the challenges resulting from the adoption of machine-based distributed energy resources lies within the intersection of protection and performance grounding. These are strongly interrelated and conflicting subjects that dictate the occurrence of ground fault overvoltage and the effectiveness of ground overcurrent protection. Currently, there remains a gap in the distribution planning of most jurisdictions in formulating these aspects and adopting simple and practical measures to balance these subjects. This letter introduces a simulation-based method to develop a set of practical charts intended to be used as a sizing guideline for neutral grounding elements, which are to be employed in the associated step-up transformers. This solution became pivotal to the electrical utility conducting the research and has allowed planning engineers to simplify design and streamline cooperation between the utility and large-scale DER developers.

引用

页码：2483 / 2486

页数：4

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