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文章摘要
基于OPNET的保护性能评估及采样值估计算法
OPNET-based Protection Performance Evaluation and Sampling Value Estimation Algorithm
Received:January 03, 2020  Revised:February 09, 2020
DOI：10.19753/j.issn1001-1390.2023.04.024
中文关键词: 数字继电保护、采样值估计、IEC61850、智能变电站、性能评价
英文关键词: 
基金项目:
Author NameAffiliationE-mail
zhaiqulong Electric Power Research Institute of State Grid Fujian Electric Power Co., Ltd. liuchx2000@163.com 
songfuhai State Grid Fujian Electric Power Co., Ltd 18001390116@189.cn 
longyunbo* State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources (North China Electric Power University) arrow307@163.com 
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中文摘要:
      近来智能变电站数字继电保护技术快速发展，构建信息交互通道可进一步提高保护性能。本文对IEC61850过程总线在110 kV/35kV变电站以太网交换环结构中的性能进行评价，并利用OPNET对过程总线上采样数据报文性能进行评估。为了减轻采样值丢失和延迟对数字中继算法的影响，提出了采样值估计的修正措施，并提出了一种采样值估计算法。最后利用PSCAD/EMTDC和MATLAB对该算法进行了仿真验证，结果表明提出的算法精度高，计算量少，可用于任何数字保护功能。
英文摘要:
      
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