数字电网

利用窗函数设计FIR数字滤波器消除电网中谐波的影响，并用MATLAB仿真验证了窗函数设计的滤波器的有效性。

In order to eliminate the effect of the harmonics in the power grid , FIR digital filter is designed by using window function , and the effectiveness of the digital filter is tested by MATLAB .

HPF（高通数字滤波器）的电网谐波检测技术的研究与应用

Study and Application of Harmonic Detection Technology in Power Networks Based on HPF

国内电网在经历了数字电力、数字化电网的发展阶段后，结合中国电网特点，提出了坚强智能电网的概念。

China presents the concept of strong smart grid after digital power , digital grid , with Chinese characteristics of power grid .

文章系统地论述了通过数据采集，信息过滤和信息融合，信息建模，数字仿真等技术，对电网运行进行在线实时跟踪计算，建立数字运行电网。

The article elaborated systematically through the data acquisition , the information filtration and the information fusion , the information modeling , digital simulation , technologies and so on , carries on the online real-time track computation to the electrical network operation , establishes the digital operation electrical network .

基于双正交数字滤波器与加权平滑相位差分法，提出了一种跟踪电网瞬时频率的方法，改进了目前基于双正交数字滤波器的电网频率跟踪方法。

Based on dual orthogonal digital filters and weighted smoothing phase-difference method , an algorithm for tracking instantaneous frequency of power grid is proposed , which improves the dual orthogonal digital filter used currently .