A Practical Method for Assessing the Effectiveness of Vector Surge Relays for Distributed Generation Applications

Journal Article · Sat Jan 01 00:00:00 EST 2005 · IEEE Transactions on Power Delivery, Vol 20:57-63

DOI:https://doi.org/10.1109/TPWRD.2004.838637· OSTI ID:894878

Freitas, Walmir; Huang, Zhenyu; Xu, Wilsun

This paper presents simple and reliable method for predicting the islanding detection performance of vector surge relays. The relay performance is characterized by a tripping-time versus power-imbalance curve. With the curve, one can determine the time taken by a vector surge relay to detect islanding for any generation-load mismatch level. The main contribution of this paper is the development of analytical formulas for directly determining the behavior of vector surge relays. As a result, efforts needed to asses the relay performance for a given distributed generation scheme can be simplified significantly. The accuracy of the formulas has been verified by extensive simulation study results.

• Research Organization: Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC05-76RL01830
• OSTI ID: 894878
• Report Number(s): PNNL-SA-39501; TRN: US200702%%397
• Journal Information: IEEE Transactions on Power Delivery, Vol 20:57-63, Journal Name: IEEE Transactions on Power Delivery, Vol 20:57-63
• Country of Publication: United States
• Language: English

Related Subjects

24 POWER TRANSMISSION AND DISTRIBUTION
RELAYS
PERFORMANCE
SURGES
TIME DEPENDENCE
MATHEMATICAL MODELS
Distributed generation
islanding detection
synchronous generators
vector surge relays
vector shift relays