Title
Regional Area Protection Scheme for Modern Distribution System
Abstract
More and more renewable energy sources (RESs) are integrated into the grid with inverter interfaces, which brings new challenges to protection systems. This paper proposes a directional overcurrent (DOC) relay-based regional area protection scheme (RAPS) for a modern distribution system incorporating high penetration of RESs. Protection components and the sensitivity-preferred setting principle utilized in local relays are presented. Then, a RAPS is proposed to accelerate fault isolation and enhance protection coordination. It is achieved by exchanging the pick-up signal and fault direction information from local relays within each predefined regional area. Breaker tripping or relay holding decisions are made by several RAPS criteria. The effectiveness of the protection scheme is verified by the simulation of a modified IEEE 34-node distribution system with different types of RESs. Simulation results validate that the selectivity, and speed of protection system can be improved by this scheme. Compared to existing protection schemes for the distribution system with RESs, the proposed scheme can be applied in complicated scenarios such as partial loss of communication and failure of a local relay.
Year
DOI
Venue
2019
10.1109/tsg.2018.2882141
IEEE Transactions on Smart Grid
Keywords
Field
DocType
Relays,Circuit faults,Fault tolerance,Fault tolerant systems,Fault currents,Sensitivity
Inverter,Tripping,Renewable energy,Fault detection and isolation,Electronic engineering,Circuit breaker,Fault tolerance,Engineering,Relay,Grid
Journal
Volume
Issue
ISSN
10
5
1949-3053
Citations 
PageRank 
References 
0
0.34
0
Authors
8
Name
Order
Citations
PageRank
Shaofei Shen100.34
Huifang Wang202.70
Kuan Jiang300.34
Lin Zhu453.21
Chun Gan554.27
Penn N. Markham6769.76
Yilu Liu717237.39
Benteng He831.89