The Development of Electrical Performance Testing Technology for Contactors
The peak position is the grid frequency, Calculate the grid frequency using the formula
Through the analysis of the collected voltage signal, the time domain signal is transformed into the frequency domain signal by the fast Fourier transform. The result of the transformation is placed in the array of the real part and the imaginary part respectively.
The data processing in the literature mainly focuses on the calculation of power grid frequency and power factor
Software using VB programming, interrupt processing procedures to achieve data sampling, logic control and other functions
