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ENHANCEMENT FOR AN INTEGRATED POWER QUALITY MONITORINGSYSTEM

机译：集成式电能质量监控系统的增强

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摘要

This paper is a follow-up to what was presented at Power Systems World 2003, "Strategy AndrnDesign Considerations For System-Wide PQ Monitoring" and Power Quality Applications 2004,rn"Considerations and Requirements for an integrated Power Quality Monitoring System". Thernmain objective is to share the experiences that a major Hong Kong Utility had during thernimplementation a Power Quality Monitoring System (PQMS) and a Power Quality Data Centrern(PQDC).rnPower quality monitoring has evolved from discrete short-term measurements to permanent andrncontinuous system-wide monitoring for real-time alarming, performance benchmarking, andrnpower quality baseline establishment. In line with the worldwide trend on monitoring, anrnenterprise-wide management system was developed that integrated all the available PQ data intornone consolidated, vendor independent, internet-based data warehouse reporting system, thernPQDC. The PQDC includes an IT system, PQ application software and data integration interfacernfor instruments from multiple vendors.rnThe paper starts with a brief overview of the PQMS and PQDC system. It then discusses inrndetails the following challenges faced during implementation and explains the proposedrnsolutions that include:rn? Late data and auto-rollup mechanismrn? Integration & report generation speedrn? Raw data aggregation and Temporal & Measurement Aggregationrn? Biasing of long-term data due to outagern? Data Loss / Watchdog and alarm reporting
机译：本文是对Power Systems World 2003（“系统范围PQ监视的策略AndrnDesign注意事项”）和Power Quality Applications 2004（“集成电源质量监视系统的注意事项和要求”）的介绍。主要目标是分享实施过程中香港主要公用事业公司的经验，包括电能质量监测系统（PQMS）和电能质量数据中心（PQDC）。电能质量监测已从离散的短期测量演变为永久的和连续的系统，实时警报，性能基准测试和电力质量基准建立的广泛监控。根据全球监控趋势，开发了整个企业范围内的管理系统，该系统将所有可用的PQ数据集成到rnone合并的，独立于供应商的，基于Internet的数据仓库报告系统thenPQDC中。 PQDC包括一个IT系统，PQ应用软件和来自多个供应商的仪器的数据集成接口。本文从对PQMS和PQDC系统的简要概述开始。然后，它详细讨论了实施过程中面临的以下挑战，并解释了建议的解决方案，包括：后期数据和自动汇总机制整合和报告生成速度原始数据汇总和时间与度量汇总？是否因中断而对长期数据造成偏见？数据丢失/看门狗和警报报告

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