研究目的
Investigating the design and implementation of a hybrid synchrophasor and GOOSE-based automatic synchronization algorithm for power systems to ensure minimum communication latencies, reduce equipment cost, facilitate interoperability, and perform automatic reconnection adequately.
研究成果
The hybrid synchrophasor and GOOSE-based automatic synchronization algorithm ensures minimum communication latencies, reduces equipment cost, facilitates interoperability, and performs automatic reconnection adequately. The methodology for testing the algorithm using standard protection relay-testing equipment confirms its practical applicability.
研究不足
The proposed scheme is intended for automatic synchronization of radial portions of a power system where one generator has a determinant influence on the synchronizing quantities. The case where multiple generators influence the synchronizing quantities requires further study.
1：Experimental Design and Method Selection:
The study utilizes synchrophasor measurements from two commercial PMUs and IEC 61850-8-1 GOOSE messages for control commands. The algorithm is deployed inside the PMU using protection logic equations.
2：Sample Selection and Data Sources:
Synchrophasor measurements from PMUs at either end of a tie-line circuit breaker are used.
3：List of Experimental Equipment and Materials:
Two PMUs from Schweitzer Engineering Laboratories (SEL), Opal-RT’s eMEGAsim real-time simulator, and a standard protection relay test-set Freja-
4：Experimental Procedures and Operational Workflow:
3 The algorithm compares local and remote synchrophasor measurements, issues control commands via GOOSE messages, and tests the system using RT-HIL simulation and standard relay-testing equipment.
5：Data Analysis Methods:
Performance is analyzed through RT-HIL simulations and standard protection relay testing to validate the algorithm's effectiveness.
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