9/24/2023 0 Comments How to use a bode plot multisim![]() ![]() Three-phase system has been realigned on D-Q coordinate and impedance model is extracted in this form.įirstly, impedance extraction algorithm is designed by MATLAB/Simulink, the algorithm includes PLL, D-Q transform, and IPFFT is used to obtain magnitude and phase angle in frequency domain. Based on the voltage injection, Phase-Locked Loop, Park Transform, D-Q reference frame, and IPFFT. This paper also applied Interpolated Fast Fourier Transform to increase accuracy of impedance model. In order to obtain the impedance model, an impedance extraction in D-Q reference frame algorithm is developed. Controlled output systems cause the risk of instability. Stability issue has become critically important since power electronics are highly applied in power distribution and conversion systems. This thesis studies the techniques of small-signal impedance measurement in three-phase power systems. ![]()
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