Emulation of Virtual Inertia with the Dynamic Virtual Damping in Microgrids

Following the modern trend of the energy policies, renewable energy sources are being integrated in the power network in a distributed environment through the power electronic mediums. In regards to electrical power, these interfacing mediums can efficiently couple micro sources and electrical loads, sacrificing the available inertia. As a result, the transient stability of the distribution network is continually decaying. As a solution to this threat of the very near future, the study proposes a virtual spinning reserve, having the ability to emulate the inertia and the damping characteristics of a physical synchronous generator. A fuzzy tuned derivative control loop (FTDCL) is proposed to realise the virtual spinning reserve in the study. The proposed control scheme is comparatively evaluated against the conventional virtual synchronous generator (VSG), and found to be superior in performance.