On-line partial discharge condition monitoring of complete networks for the pulp and paper industry: Challenges and solutions explained through case studies

L. Dodd, R. Giussani, A. McPhee, A. Burgess
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引用次数: 3

Abstract

Outages within the paper industry lead to significant costs to operators. To reduce unplanned outage and losses condition monitoring (CM) techniques can be implemented to determine asset health and help target maintenance where it is most required. The challenges faced by the paper industry to implement condition based maintenance (CBM) on their medium voltage (MV) and high voltage (HV) networks and solutions for on-line partial discharge (OLPD) monitoring are due to the range and number of assets present and geographical spread coupled with problems of retrofitting the technology on pre-existing plants. The implementation of OLPD testing and/or monitoring can vary based on several factors: network topology, connected assets, switchboard type, owner budget and owner's desired local engineer involvement. This paper discusses different approaches to implementing an OLPD test program, ranging from simple handheld survey units to complete network monitoring. This paper focuses on case studies of the deployment of OLPD testing and monitoring solutions at several paper sites within the U.S. The case studies will present diagnostic testing of unshielded MV cable at one paper mill up to full permanent OLPD monitoring systems at two others.
纸浆和造纸工业整个网络的局部排放状态在线监测:通过案例研究解释挑战和解决方案
造纸行业的停产给运营商带来了巨大的成本。为了减少计划外停机和损失状态监控(CM),可以实施技术来确定资产健康状况,并帮助在最需要的地方进行目标维护。造纸行业在对中压(MV)和高压(HV)网络实施基于状态的维护(CBM)以及在线局部放电(OLPD)监测解决方案方面所面临的挑战,是由于现有资产的范围和数量、地理分布以及对现有工厂进行技术改造的问题。OLPD测试和/或监控的实施可能会根据以下几个因素而有所不同:网络拓扑结构、连接资产、交换机类型、业主预算以及业主希望的本地工程师参与。本文讨论了实现OLPD测试程序的不同方法,从简单的手持测量单元到完整的网络监控。本文重点介绍了在美国几个造纸厂部署OLPD测试和监测解决方案的案例研究,该案例研究将介绍在一家造纸厂的非屏蔽中压电缆的诊断测试,以及在另外两个造纸厂的完整永久OLPD监测系统。
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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