Protection of autonomous microgrids using agent-based distributed communication
Journal Article
·
· IEEE Transactions on Power Delivery
- Florida Intl Univ., Miami, FL (United States); University of Arkansas (SEEDS Center)
- Florida Intl Univ., Miami, FL (United States)
This study presents a real-time implementation of autonomous microgrid protection using agent-based distributed communication. Protection of an autonomous microgrid requires special considerations compared to large scale distribution net-works due to the presence of power converters and relatively low inertia. In this work, we introduce a practical overcurrent and a frequency selectivity method to overcome conventional limitations. The proposed overcurrent scheme defines a selectivity mechanism considering the remedial action scheme (RAS) of the microgrid after a fault instant based on feeder characteristics and the location of the intelligent electronic devices (IEDs). A synchrophasor-based online frequency selectivity approach is proposed to avoid pulse loading effects in low inertia microgrids. Experimental results are presented for verification of the pro-posed schemes using a laboratory based microgrid. The setup was composed of actual generation units and IEDs using IEC 61850 protocol. The experimental results were in excellent agreement with the proposed protection scheme.
- Research Organization:
- Florida Intl Univ., Miami, FL (United States)
- Sponsoring Organization:
- USDOE Office of Electricity Delivery and Energy Reliability (OE)
- Grant/Contract Number:
- OE0000779
- OSTI ID:
- 1341351
- Journal Information:
- IEEE Transactions on Power Delivery, Journal Name: IEEE Transactions on Power Delivery Journal Issue: 1 Vol. 32; ISSN 0885-8977
- Publisher:
- IEEECopyright Statement
- Country of Publication:
- United States
- Language:
- English
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