this method adjusts sampling interval to trail after the power system frequency while harmonics analyzing, so that this method greatly reduces the spectrum leakage.
采用此算法可实时跟蹤电网频率波动,极大地减小频谱泄漏提高谐波测量精度。
an algorithm for power system frequency measurement based on numerical differentiation and central lagrange interpolation is presented.
提出了一种基于数字微分和拉格朗日插值的系统频率快速而準确的测量算法。
only area power system frequency information data will be measured. the measurement will be taken at any level of power outlets.
可以选择测量区域,并在高压输电网和配电系统上的任何电压等级上进行测量。
electric power system frequency is an important indicator of power quality and is one of the most important parameters of power system operation.
电力系统频率是电能质量的重要指标之一,也是电力系统运行最重要的参数之一。
the recent achievements in the field of power system frequency measurement are summarisedin this paper.
较为全面地综述了国内外在电力系统频率概念及其测量技术方面的研究成果。
this paper discusses the calculation and equivalence problem of the large connected electric power system frequency dynamics.
本文研究了电力系统频率过程分析中的动态等值问题。