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Real-time Implementation of Grid Code Compliant Grid Edge Energy Management System

Conference · · 2022 IEEE Energy Conversion Congress and Exposition (ECCE)
 [1];  [2];  [2];  [2];  [3];  [4]
  1. Hitachi Energy Research Center,Raleigh,NC,USA; ABB USCRC
  2. Hitachi Energy Research Center,Raleigh,NC,USA
  3. Duke Energy,Charlotte,NC,USA
  4. Open Energy Solutions,Charlotte,NC,USA
+ Show Author Affiliations

Integrated distributed energy resources (DER) in a distribution system need to follow grid codes to avoid violations that result in DER/circuit segment disconnection. To comply with grid code requirements at the grid edge level, network constrained grid edge energy management system (EMS) can be deployed. The objective of grid edge EMS is to provide economic solution for active and reactive power DER setpoints at each dispatch interval and ensure voltage regulation to support secure interconnection of the grid edge segment to the distribution system with multiple inverter based DER units. In this work, real-time simulation of grid code compliant grid edge EMS is deployed in a realistic feeder circuit segment. For real-time simulation, communication between the grid edge EMS and DERs is done exploiting IEC 61850-7-420. It enables interoperability among different DERs and grid edge EMS. No prior art has deployed IEC 61850-7-420 GOOSE communication protocol for grid edge EMS. Conversion of IEC 61850 GOOSE messages to Modbus communication protocol is also performed to communicate with grid edge EMS in commodity-off the shelf embedded boards in this work. The real-time simulation in OPAL-RT real-time digital simulator shows the out-performance of grid edge EMS by reducing the voltage violation in the distribution circuit.

Research Organization:
ABB Inc.
Sponsoring Organization:
U.S. Department of Energy Office of Electricity
DOE Contract Number:
OE0000896
OSTI ID:
2337870
Journal Information:
2022 IEEE Energy Conversion Congress and Exposition (ECCE), Journal Name: 2022 IEEE Energy Conversion Congress and Exposition (ECCE)
Country of Publication:
United States
Language:
English

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Related Subjects

Energy Storage
Energy management system
Solar Generation