Abstract
The introduction of photovoltaic generation (PV) is expanding and, in accordance with that, it is concerned that power system stability deteriorates by PV without a system stabilizing function. Therefore, PV is required to have system stabilizing functions such as fault ride through (FRT) and dynamic voltage support (DVS) function. It is important to evaluate an influence of PV with these functions on power system stability. In this paper, influence of applying these functions to PV on transient stability and voltage stability is evaluated. As evaluation methods, not only simulation method but also power-angle curve (P-δ curve) of synchronous generator and torque speed curve of induction motor are used. As stated above, improvement effect on power system stability of FRT and DVS function by multiple evaluation is verified.
