Measurement-Based Transmission Capability Estimation of Power Grid Using Load Response-Based Equivalent Model

In this paper, the load response-based equivalent model is proposed to develop a more sturdy method for transmission capability estimation of power grid. Based on real-time phasor measurement unit (PMU) measurements, grid modelled as multi-port based coupled single-port models. The associated critical branch in identified and modified by shaping factor construct model. According modification, dissimilarity response index between approximate profile actual voltage can indeed be reduced obtain perfect matching voltage. Accordingly, accurate achieved Moreover, further extended design complete solution algorithm limit-induced considering generator reactive limits. Simulations IEEE 14-bus 118-bus test systems are presented validate accuracy sturdiness method.