基于非对称采样扰动的变换器通用阻抗测量方法

This letter proposes a universal impedance measurement method for grid-connected converter (GCC) where asymmetric disturbances are injected in the sampling process. The goal is to provide a low-cost and easy-implemented impedance measurement technique that does not rely on actual disturbance sources or prior controller knowledge. In this method, only two-phase sampling channels are needed to measu...