Communication in substations iec61850 1 4 interoperability
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Communication in Substations: IEC61850 1.4 : INTEROPERABILITY. Sudhakar RAMPURKAR / AnshumanBHALLA 26th & 27th October 2009. Interoperability.

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Communication in Substations: IEC61850 1.4 : INTEROPERABILITY

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Communication in substations iec61850 1 4 interoperability

Communication in Substations:IEC618501.4 : INTEROPERABILITY

Sudhakar RAMPURKAR / AnshumanBHALLA

26th & 27th October 2009


Interoperability

Interoperability

  • Ability of two or more IEDs from the same vendor, or from different vendors, to exchange information and use that information for correct execution of specified functions

Has a DATA

MODEL model

that can be

accessed

Request

IED

Intelligent

Electronic

Device

Response

The WHAT to

exchange (IEC

61850-7-3 &4)

Event

The HOW to

exchange (IEC

61850-7-2)


Iec 61850 interoperability cont i

IEC 61850: Interoperability, cont. I

  • What is needed for interoperability

  • Common standardised:

    • Language (data model)

    • Services (service model)

    • Protocol

    • Communication medium

    • Engineering data exchange

    • Conformance test

  • IEC 61850 standardised these needs


Iec 61850 interoperability cont ii

IEC 61850: Interoperability, cont. II

  • IEC 61850 does not automatically ensure interoperability

  • To reach interoperability a well-done engineering is necessary

    • IEC 61850-4 System and project management Clause Engineering Requirements

    • IEC 61850-6 Configuration description language for communication

  • Conformance Testing will be an important part to provide interoperability

    • IEC 61850-10 specifies the conformance testing


Iec61850 documentation needed

IEC61850 documentation needed

Protocol ImplementationConformanceStatement (PICS)

  • Summary of the communication capabilities of the system or device (for testing)

  • Protocol Implementation eXtra Information for Testing (PIXIT)

  • Communication capabilities of the system or device which are outside the scope of the IEC 61850. The PIXIT shall not be subject to standardisation

    Model ImplementationConformanceStatement (MICS)

  • Details the standard data object model elements supported by the system or device

    Tissue Implementation Conformance Statement (TICS)

  • Details the Tissues (Technical Issues) that the IEC61850 implementation has incorporated


7 layer open systems interconnection model

7 Layer Open Systems Interconnection model

P444

P632

P143

IEC 61850

mapping of the

device created

from the ICD – file

(MICS)

Manual:

Ethernet module

IEC 61850

EN100 electrical

(incl. PICS)

Supported communication services

Goose, Report-model, time –

Synchronisation.

Actual mapping of the device.

Written version of the ICD – file generated

for the specific device.

P444

P632

P143

IEC 61850

Mapping of the

device for test

purposes

(PIXIT)

Start up

IEC 61850

manual

Description for the type

conformance test.


Test flow chart

Test flow chart


Testing of iec 61850 systems

Testing of IEC 61850 Systems

  • IED Protocol Implementation Testing

  • IED Object Models Implementation Testing

  • IED Functional Testing

  • Distributed Applications Testing

  • System Testing


Sample kema certificates

Sample KEMA certificates

P634

C264P

Acrobat document

Acrobat document


A s demos interoperabilitycigre 2004

A-S DEMOS INTEROPERABILITYCIGRE 2004


Conclusions

Conclusions

  • Conventional testing requires hard wiring, while in IEC61850, it may be partially or completely communications based.

  • Comparison between the performance of hard-wired and communications based solutions is required to confirm that IEC61850 can be successfully used to replace conventional substation control and protection systems without any degradation in the overall performance of the system.


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