Aggregating DERs VAR Capability Curve to Support the Grid in an Integrated T-D System

27 Dec 2018 Singhal Ankit Ajjarapu Venkataramana

The multitudes of inverter-based distributed energy resources (DERs) can be envisioned as geographically distributed reactive power (var) devices (mini-SVCs) that can offer enhanced var flexibility to a future grid as an ancillary service. To facilitate this vision, a systematic methodology is proposed to construct an aggregated var capability curve of a distribution system with DERs at the substation level, analogous to a conventional bulk generator... (read more)

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