T接短线路微机纵差保护原理研究 关键词 采样值 微机差动保护 算法 [gap=828]Keywords sampled values; microcomputer differential current protection; algorithm
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The setting schemes of the resistance coefficient and the least trip differential current for the current differential protection based on sampled values using fault component are discussed.
基于故障分量采样值差动保护既具有故障分量差动保护的高精度和可靠性又具有采样值差动保护的速动性,论文提出用故障分量差动保护来提高它在动作模糊区的可靠性。
参考来源 - 高压线路分相电流差动保护的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The setting schemes of the resistance coefficient and the least trip differential current for the current differential protection based on sampled values using fault component are discussed.
论文根据上述分析设计了基于故障分量采样值差动保护、故障分量相量差动保护、常规电流差动保护和零序电流差动保护自适应的保护方案。
Based on this, the paper presents a new transformer protection criterion to distinguish internal faults and external faults by correlation coefficients of sampled current values.
在此基础上，提出一种基于电流采样值相关度的变压器保护新判据，利用变压器两侧电流采样值波形的相关度来区分内部故障和外部故障。
According to the basic principles of FFT algorithm, this paper analyzes each instance of start time values sampled in harmonic measuring and the data obtained from anytime start sampling.
根据FFT算法的基本原理，对谐波检测中采样起始时刻取不同值的各种情况进行分析，并对任意时刻开始采样得到起始点的数据情况进行分析。
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