Distribution automation helps revitalize community

E. Gorrell, J. Niemira, E. Nelson
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Abstract

Over the past ten years, the City of Danville has seen the region's core industries, such as tobacco and textiles, close down or move overseas. Understanding the need to develop new jobs in the region, the City of Danville and many other communities sought to draw high-tech and manufacturing companies to the area with a large available work force and pro-business politics. Recognizing the importance of power system reliability to industry, the City of Danville created a new technology district, called Cyber Park, which boasts a cutting-edge electrical distribution system. This paper examines the implementation of this distribution system and the advantages it provides to customers. The distribution system eliminates customer outages using high-speed switchgear and advanced relaying in a completely automated system. Power is supplied to Cyber Park in a closed-loop configuration from a local substation. Substation-relayed circuit breakers and underground switchgear utilize communications-assisted, high-speed tripping to detect and isolate faults, allowing the power to reroute around the loop and provide a highly reliable power supply to customers. This paper presents high-speed communications techniques over fiber-optic networks, which allow total clearing times of six cycles or less. Conclusions include the economic benefits of distribution automation projects for utilities and end users.
配电自动化有助于振兴社区
在过去的十年里,丹维尔市目睹了该地区的核心产业,如烟草和纺织,关闭或转移到海外。丹维尔市(City of Danville)和许多其他社区认识到在该地区开发新就业机会的必要性,试图利用大量可用的劳动力和亲商政治,吸引高科技和制造业公司来到该地区。认识到电力系统可靠性对工业的重要性,丹维尔市创建了一个名为“网络公园”的新技术区,拥有尖端的配电系统。本文考察了该配送系统的实施及其为客户提供的优势。配电系统使用高速开关设备和先进的继电器在一个完全自动化的系统中消除了客户的中断。电力以闭环配置从当地变电站供应给赛博公园。变电站继电器断路器和地下开关设备利用通信辅助的高速跳闸来检测和隔离故障,允许电力在环路周围重新布线,并为客户提供高度可靠的电力供应。本文介绍了光纤网络上的高速通信技术,该技术允许总清除时间为6个周期或更少。结论包括配电自动化项目对公用事业和最终用户的经济效益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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