IEC 61850 Ed 2 Conformance Testing Best Practice

IEC 61850 Ed. 2 Conformance Testing Best Practice Maurizio Scavazzon TÜV SÜD Product Service Gmb. H Smart Grid Services UCAIug booth #370, Level 3, CIGRÉ 2014 Exhibition, Palais des Congrès, Paris, TÜV SÜD Product Service Gmb. H UCAIug France booth #370, Level 3, CIGRÉ 2014 Exhibition, Palais des Congrès, CIGRÉ 2014, Paris, France Maurizio Folie 1 Paris, France

What‘s new in IEC 61850 Edition 2? - 1 • Device models – added many logical nodes which extend the usage outside the substation domain • Expanded the length of object names to 128 characters • Many paragraphs have been clarified with more and more precise text • Expanded use of the configuration language to allow bottom-up system design and multiple projects • Added “service tracking” • Defined communication redundancy for systems (PRP/HSR) • Address security mechanism for 61850 through the IEC TÜV SÜD Product Service Gmb. H CIGRÉ 2014, 62351 Paris, France Standard Maurizio Folie 2

What‘s new in IEC 61850 Edition 2? - 2 • Added many mechanisms to deal with testing, simulation, and system maintenance • Standard Scope changed from “substation …” to “power utility …” to recognize use outside of substations • Defined named enumeration distinct from countable integers (big step forward) • Many other minor changes including data types and data objects • New SCL file extension (. iid, Instantiated IED description, . sed, System Exchange Description) TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 3

References for Testing • IEC 61850 Edition 2 parts 6, 7 -x, 8 -1, 10 • Conformance Test Procedures for Server Devices with IEC 61850 -8 -1 Edition 2 interface, Revision 1. 0 • Test Procedures Change List (TPCL) version 1. 0 for IEC 61850 Edition 2 server test procedures revision 1. 0 • “Int. Op 2” TISSUES • SCL schema, version 2007 B • UCA Quality Assurance Program for IEC Device Implementation Testing and Test System Accreditation and Recognition • Quality Assurance Program Addendum for IEC 61850 TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 4

Actual Status of UCAIug Test Procedures IEC 61850 Ed 1 Ed 2 Test Procedure TPCL Server 2. 3 1. 8 1. 0 Client 1. 1 1. 2 1. 0 - 9 -2 LE Publisher 1. 1 1. 0 - - GOOSE performance 1. 4 - 1. 0 - TPCL: Test Procedure Change List TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 5

IEC 61850 Ed. 2 Conformance Testing - 1 TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 6

IEC 61850 Ed. 2 Conformance Testing - 2 TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 7

Relevant documents for certification • • • PICS (Protocol Implementation Conformance Statement) MICS (Model Implementation Conformance Statement) PIXIT (Protocol Implementation e. Xtra Information for Testing) TICS (TISSUES Implementation Conformance Statement) SCL File (ICD) TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 8

Example of Doc Checking Failure Example from a Customer ID As 1 Description Maximum number of clients that can set-up an association simultaneously Value / Clarification As 2 TCP_KEEPALIVE value …-SECONDS As 3 Lost connection detection time As 4 As 5 Is authentication supported What association parameters are necessary for successful association …-SECONDS N Transport selector Session selector PRESENTATION SELECTOR AP Title AE Qualifier As 6 If association parameters are necessary for association, describe the correct values e. g. 5 FAIL Transport selector 0001 Session selector 0001 Presentation selector AP Title AE Qualifier As 7 What is the maximum and minimum MMS PDU size Max MMS PDU size Min MMS PDU size … As 8 What is the maximum start up time after a power supply interrupt 10 seconds Y/N Y/N Y/N FAIL 00000001 <value> 45000 FAIL <additional items> TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Slide 9

IEC 61850 Conformance Testing – dynamic tests START VENDOR TESTER FIRMWARE UPDATE SELECT FIRST Test Case BUG FIX EXECUTE YES SELECT NEXT Test Case FAIL ? NO TEST COMPLETE ? NO YES CERTIFICATE TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 10

2. Example 2 of TC as enhancement of Ed. 1 Passed s. Sg. N 1 Setting group selection services with wrong parameters Failed Inconclusive IEC 61850 -7 -2 Subclause 16. 2, 16. 3 IEC 61850 -8 -1 Subclause 16. 2 PIXIT Expected result a) b) c) DUT sends Select. Active. SG response- with data access error=object-value-invalid DUT sends Get. Edit. SGValue response- with data access error=object-non-existent DUT sends Get. SGCBValues response- with data access error=object-non-existent Test description a) b) Client requests Select. Active. SG with null or Num. Of. Sg+1 setting group If Get. SGValues is supported, c lient requests Get. Edit. SGValue(FC=SG/SE) with unknown object c) Client requests Get. SGCBValues with unknown object Comment Expected result a), b), c) Specify in more detail the expected result TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Slide 11

Differences between Ed 1 and Ed 2 Certificates Example of Ed 1 Certificate TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 12

Differences between Ed 1 and Ed 2 Certificates Example of Ed 2 Certificate TÜV SÜD Product Service Gmb. H CIGRÉ 2014, Paris, France Maurizio Folie 13

Any questions? Embedded Systems Team: embedded@tuev-sued. de www. tuevsued. com/embedded Maurizio Scavazzon Global Product Manager Communication Protocols antonello. gaviano@tuev. Phone: +49 89 5791 sued. de Head of Smart Grid Services 2693 Fax: +49 89 57913437 Phone: Fax: TÜV SÜD AG Embedded Systems (VINM) Barthstr. 16 80339 Munich Germany +49 89 5008 -4747 +49 89 5155 -2444 maurizio. scavazzon@tuev-sued. de www. tuev-sued. de/smartgrid TÜV SÜD Product Service Gmb. H Smart Grid Services 11/03/2021 V-INM Barthstr. 16 / 3. OG