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

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 62351 Standard Clarified error responses when “things go wrong” CIGRÉ 2014, Paris, France Maurizio Scavazzon

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) CIGRÉ 2014, Paris, France Maurizio Scavazzon

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 “IntOp2” TISSUES SCL schema, version 2007B UCA Quality Assurance Program for IEC Device Implementation Testing and Test System Accreditation and Recognition Quality Assurance Program Addendum for IEC 61850 Specific Product Testing CIGRÉ 2014, Paris, France Maurizio Scavazzon

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 - 9-2LE Publisher GOOSE performance 1.4 TPCL: Test Procedure Change List CIGRÉ 2014, Paris, France Maurizio Scavazzon

IEC 61850 Ed. 2 Conformance Testing - 1 CIGRÉ 2014, Paris, France Maurizio Scavazzon

IEC 61850 Ed. 2 Conformance Testing - 2 CIGRÉ 2014, Paris, France Maurizio Scavazzon

Relevant documents for certification PICS (Protocol Implementation Conformance Statement) MICS (Model Implementation Conformance Statement) PIXIT (Protocol Implementation eXtra Information for Testing) TICS (TISSUES Implementation Conformance Statement) SCL File (ICD) CIGRÉ 2014, Paris, France Maurizio Scavazzon

Example of Doc Checking Failure Example from a Customer ID Description Value / Clarification As1 Maximum number of clients that can set-up an association simultaneously 5 As2 TCP_KEEPALIVE value …-seconds As3 Lost connection detection time As4 Is authentication supported N As5 What association parameters are necessary for successful association Transport selector Y/N Session selector Y/N Presentation selector Y/N AP Title Y/N AE Qualifier Y/N As6 If association parameters are necessary for association, describe the correct values e.g. Transport selector 0001 Session selector 0001 Presentation selector 00000001 AP Title <value> AE Qualifier <value> As7 What is the maximum and minimum MMS PDU size Max MMS PDU size 45000 Min MMS PDU size … As8 What is the maximum start up time after a power supply interrupt 10 seconds <additional items> FAIL FAIL FAIL FAIL CIGRÉ 2014, Paris, France Maurizio Scavazzon

IEC 61850 Conformance Testing – dynamic tests SELECT FIRST Test Case EXECUTE SELECT NEXT Test Case BUG FIX FIRMWARE UPDATE FAIL ? TEST COMPLETE ? CERTIFICATE START NO YES VENDOR TESTER CIGRÉ 2014, Paris, France Maurizio Scavazzon

2. Example 2 of TC as enhancement of Ed.1 sSgN1 Setting group selection services with wrong parameters  Passed  Failed  Inconclusive IEC 61850-7-2 Subclause 16.2, 16.3 IEC 61850-8-1 Subclause 16.2 PIXIT Expected result DUT sends SelectActiveSG response- with data access error=object-value-invalid DUT sends GetEditSGValue response- with data access error=object-non-existent DUT sends GetSGCBValues response- with data access error=object-non-existent Test description Client requests SelectActiveSG with null or NumOfSg+1 setting group If GetSGValues is supported, client requests GetEditSGValue(FC=SG/SE) with unknown object Client requests GetSGCBValues with unknown object Comment Expected result a), b), c) Specify in more detail the expected result CIGRÉ 2014, Paris, France Maurizio Scavazzon

Differences between Ed1 and Ed2 Certificates Example of Ed 1 Certificate CIGRÉ 2014, Paris, France Maurizio Scavazzon

Differences between Ed1 and Ed2 Certificates Example of Ed 2 Certificate CIGRÉ 2014, Paris, France Maurizio Scavazzon

Maurizio Scavazzon Global Product Manager Communication Protocols Any questions? Maurizio Scavazzon Head of Smart Grid Services Phone: +49 89 5008-4747 Fax: +49 89 5155-2444 maurizio.scavazzon@tuev-sued.de www.tuev-sued.de/smartgrid TÜV SÜD Product Service GmbH Smart Grid Services Barthstr. 16 / 3.OG 80339 Munich Germany Maurizio Scavazzon Global Product Manager Communication Protocols antonello.gaviano@tuev-sued.de Phone: +49 89 5791-2693 Fax: +49 89 5791-3437 22/09/2018 V-INM