Testing

Testing Automation and Control

by Thomas Schossig and Andreas Klien, OMICRON electronics GmbH, Austria

During the commissioning of Substation Automation Systems (SAS) with Protection, Automation and Control (PAC) traditionally the focus of testing is on testing the protection system and its settings. The article describes a new approach to be used in all phases of the lifecycle of SAS. By utilizing the capabilities of the IEC 61850 engineering process and the data available in Substation Configuration Description (SCD) files it is possible to introduce new and more efficient methods for Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT). The approach identifies potential signals to be tested in the SCD file. Communication links and the used IEC 61850 services are recognized, documented and can be used for generating test plans. More

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