Analytical Method for Computing Electromagnetic Transient Models of FACTS in Hybrid Simulation

The electromagnetic and electromechanical hybrid simulation combines the advantages of both methods, is able to simulate large-scale power systems and at the same time modeling the dynamic performance of power electronic devices. traditional hybrid simulation, the differential equations of the electromagnetic transient models are generally computed by numeric integration methods. This paper proposes a new method for computing the TCSC/SVC electromagnetic transient models. In this paper, the TCSC/SVC models are represented as piecewise linear homogeneous differential equations by adopting new variables. Therefore, the response and fundamental component of the TCSC/SVC models can be derived analytically. Compared with numeric integration methods, the analytical method not only ensures computation accuracy, but also enhances computation efficiency. In the last part of this paper, test examples of SVC and TCSC are provided.