RT-HIL implementation of hybrid synchrophasor and GOOSE-based passive islanding schemes

Abstract

Real Time Hardware-in-the-Loop (RT-HIL) performance assessment of three different passive islanding detection methods for both local and wide-area synchrophasor measurements is carried out in this article. Islanding detection algorithms are deployed within the Phasor Measurement Unit (PMU) using logic equations. Tripping decisions are based on local and wide-area synchrophasors as computed by the PMU and trips are generated using IEC 61850-8-1 Generic Object Oriented Substation Event (GOOSE) messages. The performance assessment compares these islanding detection schemes for Non Detection Zone and operation speed under different operating conditions. The test-bench demonstrated is useful for a myriad of applications in which simulation exercises in power system CAD software provides no realistic insight into the practical design and implementation challenges. Finally different communication latencies introduced due to the utilization of synchrophasors and IEC 61850-8-1 GOOSE messages are determined.