基于DSP和小波变换的煤矿无功功率测量方案

Reactive Power Measurement Based on DSP and Wavelet Transform

设计了一种基于DSP和小波变换的煤矿电网无功功率测量系统,利用DSP的捕获和A/D转换模块采集电网信号;用希尔伯特变换数字相移网络和正交小波变换测量煤矿用电的有效值、有功和无功功率,为煤矿用电的无功补偿提供依据;选取模型测量验证了系统的可行性和准确性。

Designed a kind of power grid reactive power measurement system that？based on DSP and wavelet transform,Using DSP＇s capture and A/D conversion module aequisition signal of power grid, With Hilbert transform digital phase shift network and orthogonal wavelet transform signal measured RMS, active and reactive power ;The final measurement to verify the feasibility and accuracy of the system.