提升电力系统保护水平，提高安全、监测、保护和控制能力

Conference Record of 2008 54th Annual Pulp and Paper Industry Technical Conference Pub Date : 2008-06-22 DOI:10.1109/PAPCON.2008.4585829

J. Hill, K. Behrendt

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引用次数: 3

摘要

美国中西部一家大型造纸厂通过在中压开关设备上安装基于微处理器(muP)的母线差动保护，并选择性地将机电(EM)过流继电器替换为muP继电器，解决了电弧闪光危险(AFH)问题。除了提供关键的母线差动保护外，muP继电器还将通过电厂数据和控制系统(DCS)为操作员监测和控制提供模拟和数字通信，并最终用作取代老化的硬连线减载系统的骨干。

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Upgrading power system protection to improve safety, monitoring, Protection, and control

One large Midwestern paper mill is resolving an arc-flash hazard (AFH) problem by installing microprocessor-based (muP) bus differential protection on medium-voltage switchgear and selectively replacing electromechanical (EM) overcurrent relays with muP relays. In addition to providing critical bus differential protection, the muP relays will provide analog and digital communications for operator monitoring and control via the power plant data and control system (DCS) and will ultimately be used as the backbone to replace an aging hardwired load-shedding system.

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Conference Record of 2008 54th Annual Pulp and Paper Industry Technical Conference

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