EnerNex_Features and Benefits of IEC 61850

8/6/2019 EnerNex_Features and Benefits of IEC 61850

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u

ErichGunther

ChairmanandCTO,EnerNex

2011EnerNex.AllRightsReserved.www.enernex.com

GrantGilchrist

PrincipalConsultant,EnerNex

BrianSmith

PrincipalConsultant,EnerNex


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AgendaAgenda

TheroleofIEC61850intheUtilityBigPicture

Whatssogreataboutit?

Thingstoconsidermovingforward

2011EnerNex.AllRightsReserved.www.enernex.com2


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IEC61850IEC61850

What

is

it?What

is

it? Notjustacommunicationsprotocol

compre ens vestan ar ort e es gno

substationautomationsystemsandapplications

A collection of multi le rotocols conce ts

andcomponentstandards

Aplatformfordesigning,implementing,an operatinguti ityautomationsystems

Amethodforaddingneededcontextandstructure

Awayoflifeforutilityautomation



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SCOPEANDHISTORYSCOPEANDHISTORY

HistoryHistory

SponsoredbyElectricalPowerResearchInstitute(EPRI)

UCA1.0in1992 toovague,noTCP/IPManypilotprojects,noconsensus

mer can ec r c ower n a ve roug ocus

BecameanInternationalStandardin2004/2005viaIEEETR1550

EPRIconsideredthatUCAincluded o ularInterControlCenterProtocol(ICCP)

ICCPisaseparatestandard:Telecontrol ApplicationService

. ,



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Utility

Field

Protocol

EvolutionUtility

Field

Protocol

Evolution

100s of

Protocols

Mfg. Auto.

MMS

ISO9506

1988

EPRI UCA

Architecture

1991

UCA2.0

IEEE TR1550

1999

ro oco -1984 IEC61850

2003

ICCP

IEC60870-6

1996

100s ofProprietaryProtocols

IEC60870-5IEC TC57

1994

Common

Object Models

and SecurityFuture

DNP3Serial Links

1993

DNP3Ethernet~2000



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IEC61850IEC61850

IEC

61850s

role

in

the

Big

PictureIEC

61850s

role

in

the

Big

Picture

standardskeytoSmartGriddeploymentbyNISTFocusedonautomations stemsutilizedinthe

electricutilitytransmissionanddistributiondomains

Providesnetworkoptionsforapplicationssuchas:

TraditionalSCADAapplications

Highspeedprotection

Analogwaveformdata

DigitalPTsandCTs


P asor Measurement IEC61850:Substations

andmore


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IEC

61850

and

DNP3IEC

61850

and

DNP3

Issue IEC 61850 DNP3(IEEE1815)

RecognizedinNIST

InteroperabilityFramework

Yes Yes

Distribution Feeder Noprofilecurrently Designedforit

Automation existsforlow

bandwidthnetworks

SubstationAutomation Yes Yes

SubstationtoControlCenter Underdevelopment Yes

High SpeedPeertopeer Yes No

Structured Data and Namin Yes Limited. Numbered Points.

SelfDescription Yes Limited

XML ConfigurationFile Yes Yes



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IEC

61850

and

DNP3

EvolutionIEC

61850

and

DNP3

Evolution

IEC61850hasmoreadvancedfeatures

DNP3isinuseinover75%ofNorthAmericanutilities Canusegatewaysasanupgradepath

Canuse6185074namingtodocumentDNP3pointslists

IEEE1815.1gatewaystandardunderdevelopmentHowtomapdata

Howtomapservices



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IEC

View

of

a

SubstationIEC

View

of

a

Substation DiagramfromIEC61850Part1

Numberedinterfaces

Europeanconcepts,butadaptabletoNorthAmerica

IEC61850isintendedtoaddress

Controlcenter

Remoteprotection

Somemovementrecentlytohaveitalsoincludethesetwo



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Purpose:

to

Visualize

a

SubstationPurpose:

to

Visualize

a

Substation



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IEC61850IEC61850

So

Whats

So

Great

About

It?So

Whats

So

Great

About

It?FeaturesnootherSCADAprotocolhashadbefore...

Self

Description

and

BrowsersStructuredData

DeviceModels,notDataPoints

CapabilityforAccessSecurityFastPeertoPeerCommunications

PowerfulReportingFeatures

AWideChoiceofLowerLayers


Based

on

modern

information

technology

concepts 11


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APPLICATIONLAYERAPPLICATIONLAYER

Abstract

Communication

Service

InterfaceAbstract

Communication

Service

InterfaceWhydefineabstractservices?

Canbemappedtomanyprotocols

Future roofin allows ado tion of future technolo ies

AllofthesearefundamentalqualitiesdefinedintheNIST

RoadmapArchitecturechapter Server (physical device)Logical Device

SampledValues

GOOSE

Logical Node

Control

Substitution

Reporting

& Logging

Data

Object

Data

Set

Settings

a oes e e neFunctionsandparametersforeachservice

Time Synchronization File TransferAssociation


How

to

organize

data

objects

derived

from

logical

nodes13


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APPLICATIONLAYERAPPLICATIONLAYER SERVICESSERVICES

SelfSelf

DescriptionDescription

Adevicecantellitsmasterwhatdataitwillreport

Master

could

automatically configure itself

for

the

device! Attheveryleast,provideachooserofwhatdatatomap.

Inc u es oreac point:

Datatype

Datastructure

Humanreadablename



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What

SelfWhat

Self

Description

Could

Mean...Description

Could

Mean... Asavingsof75% ormoreinconfigurationtime

Majorreductionsinconfigurationerrors

Itnowtakesthreeweeks toconfigureasubstation,beforefinalacceptancetesting! PlugandPlaydevices

SCADAbrowsersthatdontneedaconfig!

T scou causeaRevo ut on

Hours

Power-Assisted IEC

Traditional Protocol

Traditional Protocol

- Typical

61850-6

0 5 10 15 20 25 30 35

Manual Object-

Oriented

- ax



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APPLICATIONLAYERAPPLICATIONLAYER OBJECTMODELSOBJECTMODELS

Structured

Data

Structured

Data

Wh

We

Need

ItWh

We

Need

It Concentratorscurrently loseinformation:

T enameo t esource ev ce

Thephysicalandelectricallocation Thepath takentoacquirethedata

Relationships betweenpoints(e.g.phases)

Units ofmeasurement

Onlythetype ofdataisretained(e.g.analog)

Mustbeaddedbackinlaterasdescription



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Structured

Data

in

IEC

61850Structured

Data

in

IEC

61850 Informationisnotlost!

Embeddedaspartofthename

Forwardedupthechainbyselfdescription

spreadsheets

tables

wiringdiagrams

systemdocumentation



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Logical

NodesLogical

Nodes Arelayusedtoperformonlyoneprotectionfunction

ow mayper ormsevera pro ec on unc ons,e.g.

PTOC:TimeOvercurrent PDIS:DistanceProtection

Mayalsoprovidenonprotectionfunctionse.g.

MMXU:MeasurementUnit

MMTR:EnergyMeter GGIO:GenericInput/Output

Thefunctionsofthisrealdevicearebuiltfromthoseofidealizedimaginary

devices

PDIS MMTR


PTOC MMXU GGIO


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APPLICATIONLAYERAPPLICATIONLAYER

SelfSelfDescriptionandStructuredDataDescriptionandStructuredData

Onlyaddresswas

configured

Layersofstructure:

Device

DomainNamedVariables

Measurements

MeterCircuit1

Voltage

PhaseA

Integer

Value

TextNamesforData

DataGrouped:

Timestamp

Quality

Scaling

ParametersDeviceModels

RTU

Metering



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Anatomy

of

an

Object

NameAnatomy

of

an

Object

Name

AV

MXMX

Functional Constraint

Lo ical Device

MMXU1 MMXU2

(e.g. Relay1)

MMXU2$MX$A =

(network address) Feeder #2 Current Measurements



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IEC

IEC

61850

Security61850

Security

DigitalSignaturesattheapplication(MMS)layer

SpecializedauthenticationforGOOSEmessages

Newworkunderwayforsynchrophasors



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FastFastPeerPeertotoPeerCommunicationPeerCommunication

GenericObjectOrientedSubstationEvent(GOOSE)

Inten e torep acere aytore ayw r ng

Eachdevicemulticastsaselectedsetofdata

Assumesthemessagewillnotgetthrough

Retransmitsimmediately,exponentialbackoff

Periodicretransmission



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PEERPEERTOTOPEERCOMMUNICATIONSPEERCOMMUNICATIONS

HighHighSpeedorReliable?SpeedorReliable?

GOOSEisintendedtoreplacedirectrelay

Needboth: Veryhighspeed(


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HighHighSpeedANDReliable!SpeedANDReliable!

GOOSEusesadifferentapproach:Data

ssume a e rs messagew no ge roug

Always retransmitthemessage Dependonthereceivertodetectduplicates

Onlyonewaytrafficneeded

Exponentialbackoff

BasedonIEEE802multicastaddressing

Hardwarefiltersoutwhatsnotneeded



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LANInterlockingandTrippingLANInterlockingandTripping

GOOSEisidealforinterlocking

u cas nge m na esmu p e

connectionsbetweendevices Solvesthenx(n1) problem

onecomplexone

LAN

tripping

is

more

controversial as een mp emen e sucess u y

Performanceisakeyissue

Nothoroughstudiesdoneyet

ome

pro ems

not

yet

so ve ,

e.g.

breakerfailuremustdetectabsence ofasignalintime.


26


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SampledValuesontheLANSampledValuesontheLAN

Takesdecentralizationonestepfurther

eparatessamp ngp ys ca y rom

Measurement Metering

Calculation

SynchronizingbreakerclosureoverLAN

Anydevicemaymeasureanycircuit

SmartCTsandPTs

EstimatesindicateitwillrequireatleastGigabitEthernetinthenetwork


backboneforlargescaledeployment

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CONFIGURATIONCONFIGURATION

WhatisSubstationConfigurationLanguage?WhatisSubstationConfigurationLanguage?

Standardized

file

format

for

substation

configuration BasedonExtensibleMarkupLanguage(XML)

Exchangesfilesbetweenproprietaryengineeringtools

FilemaydescribeoneIED,orwholesubstation

very ven ormus supp yan e

Format,orschemadefinedinIEC61850Part6



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UsingSCLAloneUsingSCLAlone

. en or supp es

SCL File for IED

2. Tool downloads

configuration to

3. Client can talk

to IED



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RemotePowerRemotePowerAssistedAssistedConfigConfig

2. Vendor sends SCL file tointegrator 3. Inte rator edits and

4. downloads configuration

1. Vendor gets self-description from

5. Client talks toServers

IED



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PowerfulPowerfulReportingFeaturesReportingFeatures

Notbasedonpolling

GroupdataintoDataSetsconfigured

clientdefined

Spontaneous

report

on:datachange

periodicreportbyexception

n egr y

repor freezing


Filesforbulkdata33


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STRUCTURESTRUCTURE

ASuiteofProtocols,NotJustOneASuiteofProtocols,NotJustOne



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STRUCTURESTRUCTURE

IEC61850ReferenceModelIEC61850ReferenceModel

Application Process Common

Service Interface (ACSI)Applications

Stack 1Stack 1 Communication

Stack 1


STRUCTURESTRUCTURE


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STRUCTURESTRUCTURE

IEC61850ArchitectureIEC61850Architecture

SCADA

Substation

Station Bus

IED3IED2IED1

VTCT Process Bus


STRUCTURESTRUCTURE


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STRUCTURESTRUCTURE

StationBusProtocolsStationBusProtocols

SCADA Station Mappings (8-1)

Substation

GOOSE/GSSE (Link)

Station Bus

IED3IED2IED1

VTCT Process Bus


STRUCTURESTRUCTURE


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STRUCTURESTRUCTURE

ProcessBusProtocolsProcessBusProtocols

SCADAProcess Bus Mappings (9-2)

Substation

GOOSE/GSSE (Link)Time S nc (SNTP)

Station Bus

IED3IED2IED1

VTCT Process Bus


STRUCTURESTRUCTURE


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STRUCTURESTRUCTURE

DocumentSetDocumentSet

Basic principles Part 1

ossary ar

General Requirements Part 3

Part 4

Communication requirements Part 5

Substation Automation System Part 6on gura on

Basic Communication Structure Part 7

Part 9Sampled Measured Values

Part 8Mapping to

Conformance testing Part 10

Mapping to Ethernet

Ethernet


STRUCTURESTRUCTURE


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STRUCTURESTRUCTURE

MostCommonl UsedProfilesMostCommonl UsedProfiles

Object Models

IEC 61850-7-3, 7-4Abstract Services

IEC 61850-7-2

SMV GOOSE

9-1 9-2 8-1 IEC 61850-8-1

Presentation

Application

ISO Pres./ ASN.1

MMS/ACSE

Session

Transport TCP

RFC 1006

ISO Session

Data Link

Physical

Ethertype IP

Ethernet

Physical



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IEC 61850IEC 61850


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IEC61850IEC61850

ThingstoConsiderMovingForwardThingstoConsiderMovingForward

Ethernet,TCP/IP,TimeSynchronizationOr anizationalandProcess

Employeeskillsets

Networkingandcybersecurityfundamentals

Organizationalinterfacesandresponsibilities

Documentation

Engineering

and

Maintenance

Tools


IEC 61850IEC 61850


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IEC61850IEC61850

WhatItMeanstoStakeholdersWhatItMeanstoStakeholders

UtilityDecisionMaker

Benefitsofdatamodelingextendintotheutility

enterprise

UtilityEngineer

Newtoolsandoptionsfordesigningsystemstomeettheevolvingrequirementsofasmartgridworld

Regulator

High

benefit

cost

ratio

(BCR)Vendor


Narrower ocusonpro uctcommunication eatures

morefocusoninnovation,features,benefits,cost


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Summar Summar WhatsNew?WhatsNew?

Newhardware: independentVTsandPTs,integratedprimaryeqpt.

New installation: automatic and owerassisted confi uration

Newapplications: LANbasedbreakersynchronization,interlocking

Newinterfaces: casualbrowserHMIs

Newphilosophy: integratedprotection,telecontrol,assetmgmt.



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ForForMoreInformationMoreInformation

ErichGunther

[email protected]

BrianSmith

sm enernex.com

GrantGilchrist

rant enernex.com

http://www.enernex.com/

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