Patent ID: 8886475
Filing Date: 2014-11-11
Classification: G05B,H04L,Y04S

Abstract:
1. A method of calculating a reliability of a Substation Automation (SA) system for a substation with a plurality of substation devices and substation communication elements, the method comprising: identifying a plurality of substation devices for performing a first SA functionality; calculating, in a processor of a computer processing device, a reliability of the SA system based on a reliability of the identified substation devices; identifying, from a standardized configuration representation of the SA system including logical data flow definitions of the first SA functionality, a physical data flow path and corresponding substation communication elements enabling data flow related to the first SA functionality; providing a reliability indication for each identified substation communication element; calculating, in the processor, based on the provided reliability indications, a reliability of the identified physical data flow paths related to the first SA functionality; calculating, in the processor, a reliability for the first SA functionality based on the reliability of the identified physical data flow paths; calculating reliabilities for further SA functionalities having identified physical data flow paths; and calculating the reliability of the SA system based on the corresponding reliabilities for the first and further SA functionalities.