PLC-Based Turbine Governor System

P. Rock, T. Bauman, B. Granzin
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引用次数: 3

Abstract

The governor system used by many pulp and paper facilities with steam power generation creates many challenges. Challenges such as inadequate response times; poor speed regulation; analog control drifting; high maintenance and support costs; expensive or unavailable parts; and extended lead times. Machine availability is affected and extended generator downtime may result. Governor replacement provides the solution to these problems. Advantages of upgrading to a PLC-based turbine governor system include: off-the-shelf control and hydraulic components; governor algorithm contained in PLC-based regulating system; governor system independent from lube oil system; reliable hydraulic proportional valve replaces flapper nozzle system; user-friendly interface provides control and monitoring and extensive alarming and diagnostics; open communication allows connection with existing mill distributed control system (DCS)
基于plc的汽轮机调速器系统
许多纸浆和造纸设施采用蒸汽发电的调速器系统带来了许多挑战。应对时间不足等挑战;速度调节差;模拟控制漂移;维护和支持费用高;昂贵的或不可用的部件;延长了交货期。机器的可用性受到影响,可能导致发电机停机时间延长。总督更换提供了这些问题的解决方案。升级到基于plc的水轮机调速器系统的优点包括:现成的控制和液压元件;plc调节系统中包含的调速器算法;调速器系统独立于润滑油系统;可靠的液压比例阀取代挡板喷嘴系统;用户友好的界面提供控制和监测以及广泛的报警和诊断;开放式通信允许与现有的工厂分布式控制系统(DCS)连接
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