Federated Architecture for Secure and Transactive Distributed Energy Resource Management Solutions (FAST-DERMS)

Abstract

This document provides system-level specifications for a federated architecture for secure and transactive distributed energy resource management solutions (FAST-DERMS), presents a solution, and describes operational concepts for the proposed solution. FAST-DERMS enables the provision of reliable, resilient, and secure transmission and distribution (T&D) grid services through the scalable aggregation and nearreal-time management of utility-scale and small-scale distributed energy resources (DERs).We first present the principles and objectives of FAST-DERMS. Then, after discussing important system concepts, we present the specifications for FAST-DERMS and a solution that employs a distributed and federated control methodology in which the DERs connected to a single point of common coupling with the rest of the system, such as individual substations, are optimized coordinately to provide system-level grid services.FAST-DERMS aims to aggregate and coordinate the operations of DERs to support T&D grid operations.The key optimization and control component of this FAST-DERMS reference implementation is a flexible resource scheduler (FRS) that aggregates the DERs within a substation service area. These FRSs operate at the substation level and perform constrained economic dispatch of DERs, either directly or through a transactive market or aggregator, as shown in Figure ES-1. An FRS Coordinator at the distribution system operator (DSO) level aggregates distribution substations operated by FRSs and interfaces with the transmission system operator (TSO) to provide transmission services. FAST-DERMS also allows for the integration of the FRS Coordinator with an existing distribution utility management system that could be employed by the DSO to enhance distribution grid operations.

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“…Energy management system: An energy management system is "an automated system that collects measurement data, monitors the performance of the transmission system and in some cases primary distribution substations, and controls and optimizes system operation through optimizations and contingency analysis" (Ding et al 2022).…”