Interoperability Performance Assessment of Multivendor IEC61850 Process Bus

Abstract

Abstract--Substations are increasingly reliant on devices compatible with IEC61850 standards. However, the conformity of a devicewith the standards does not necessarily guarantee interoperability with devices from different manufacturers. The use of devices compatible with IEC61850 standards presents a challenge to many system integrators, especially due to lack of familiarity with features such as Generic Object Oriented Substation Event (GOOSE), reporting, sample values and the need for system redundancy. To facilitate a smooth implementation, all the features and the data exchanges between devices need to be tested to ensure the system operates correctly. It is important to determine the compatibility of the devices made by different manufacturers.This paper presents a technique to assess the performance of Merging Units from different manufacturers, when operating with Intelligent Electronic Devices (IEDs) performing a distance protection function. The performance of the process bus with parallel redundancy protocol is evaluated using a closed loop approach involving a Real Time Digital Simulator.

Performance Analysis of Overcurrent Protection in a Digital Substation with Process Bus

“…The results suggest that the protection passed the tests and that several aspects of the IEC 61850 standard may be very conservative. In [18], the authors highlighted the need to validate the compatibility and performance of MUs and IEDs; therefore, they test distance protection considering communications redundancy.…”

Assessment and analysis of different process bus redundancy networks performance for IEC61850‐based digital substation

“…Huu‐Dung [6] have assessed and evaluated the HSR network performance on process level by OPNET simulation tool. Xi and Peter [7] designed a test platform in the lab for a process bus with PRP to access the IEDs interoperbility performance from different suppliers. The authors of [7, 8] present a substation with the implementation of HSR protocol and PRP, respectively.…”

“…Xi and Peter [7] designed a test platform in the lab for a process bus with PRP to access the IEDs interoperbility performance from different suppliers. The authors of [7, 8] present a substation with the implementation of HSR protocol and PRP, respectively. Recently, Scottish Power Energy Networks (SPENs’) has considered to deploy a real live full digital substation for a 275 kV substation in Scotland through UK government Ofgem’ Network Innovation Competition (NIC) funded Future Intelligent Transmission Network Substation (FITNESS) project [9].…”

Virtual site acceptance test platform for IEC 61850 based substations with multi‐vendor bay solutions

“…the IEC 61850‐9‐2 Sampled Values (SV), IEC 61850‐8‐1 Generic Object Oriented Substation Events (GOOSE) and Manufacturing Message Specification (MMS). Many studies have been carried out to test the interoperability of SV between Merging Units (MUs) and IEDs [1–3], GOOSE between IEDs [4, 5], and MMS between substation Human Machine Interfaces (HMIs) and IEDs [6, 7]. In the studies, several interoperability issues have been reported [7–9].…”

“…For instance, certain SCL tools cannot properly interpret the SCL files from third party tools, resulting in unsuccessful GOOSE subscriptions. Further studies have been carried out to evaluate interoperability performance under various conditions, such as SV/GOOSE delays under different background traffics [1, 5], impacts of SV packet loss on IEDs [10], SV delay with network redundancy protocols and impacts of time synchronisation loss on MUs and IEDs [3, 11].…”