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。
The values include all sampled calls to the function.
值包括对该函数采样的所有调用。
The sample rate is simply the rate at which the original analog signal is sampled to digital values (probably representing frequences).
采样率是速度,原来的模拟信号进行采样的数字值(可能是频率)。
Those components of which values are independent on history record of sampled quantities and reflect the relationship of instantaneous voltage and current are realized by themselves.
而对于模型中与采集量历史记录无关、反映电压电流瞬时变化关系的元件则用实际元件模拟。
Those components of which values are independent on history record of sampled quantities and reflect the relationship of instantaneous voltage and current are realized by themselves.
而对于模型中与采集量历史记录无关、反映电压电流瞬时变化关系的元件则用实际元件模拟。
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