Understanding 61439 by 3 Phase Design

8/12/2019 Understanding 61439 by 3 Phase Design

1/78

IEC61439

Thenewinternationalstandard

series

for

Low

Voltage

Switchgear

andControlgearAssemblies


2/78

3Phase

Design

RobSwann&CraigMcKee


3/78

The61439Series

Howthe

standard

parts

compare

IEC60439 Part

1:

Type

Tested

and

Partially

type

tested

Assemblies

Part2:Busbartrunkingsystems

Part3:Distributionboards

Part4:

Assemblies

for

Construction

Sites

Part5:Assembliesforpowerdistribution


4/78

The61439Series

Howthe

standard

parts

compare

IEC61439 Part

1:

General

Rules

Part2:PSC Assemblies

Part3:Distributionboards

Part4:

Assemblies

for

Construction

Sites

Part5:Assembliesforpowerdistribution

Part6:Busbartrunkingsystems


5/78

The61439Series

Howthe

standard

parts

compare

IEC61439 Part

1:

General

Rules



6/78

The61439Series

IEC61439 Part

1:

General

Rules



7/78

61439 Part1:2009

GeneralRules

Crossreferenced

by

all

other

parts

of

the

series.

Doesnot

need

to

be

specified,

compliance

to

oneoftheotherpartsofthestandard

automatically

determines

its

compliance.


8/78

61439 Part2:2009

PowerSwitchgearandControlgearAssemblies.

low voltageswitchgearandcontrolgear

assemblyused

to

distribute

and

control

energyforalltypesofloads,intendedfor

industrial,

commercial

and

similar

applicationsoperatedbyskilledorinstructed

persons


9/78

61439 Part2:2009

Duringthis

seminar,

we

will

be

focused

on

Part2:2009.

Whichmeansthatwewillbecoveringboth

Partselements

contained

in

parts

1&

2.


10/78

61439 Part2:2009

Whatis

an

Assembly?


11/78

61439 Part2:2009

Whatis

an

Assembly?


12/78

Enclosure

IncomingDevice

AirCircuit

Breaker

(ACB)

MouldedCaseCircuitBreaker(MCCB)

Isolator

Busbars

Main Distribution

OutgoingDevices MouldedCaseCircuitBreakers(MCCB)

FusedIsolators

MiniatureCircuitBreakers(MCB)

Additionalpowercircuits(formotorcontrol)

EarthBar(protectiveconductor)

61439 Part2:2009

Whatis

an

Assembly?


13/78

TheStandard

also

now

recognises

that

there

maybemorethanonecompanyresponsible

for

the

verification

of

the

final

Assembly.

OriginalManufacturer

AssemblyManufacturer

61439 Part2:2009


14/78

61439 Part2:2009

Howdoyoucomplytothestandard?

60439: PTTA(partiallyTypeTested)or

TTA(TypeTested)Assemblies.

61439: DesignVerification&Routine

Verification


15/78

61439 Part2:2009

HowdoyouachieveDesignVerification?

Verificationbytesting

Verification

by

calculation Verificationbydesignrules

Notallcharacteristicscanbeverifiedbyeachoftheabove


16/78


17/78

60439 Part1

Temperatureriselimits

Dielectricproperties

Shortcircuitwithstandstrength

Effectivenessoftheprotectivecircuit

ExposedParts

ShortCircuitwithstand

Clearancesand

creepage

distances

MechanicalOperation

Degreeofprotection


18/78

61439 Part2:2009

Construction

Strengthofmaterialsandparts

Degreeof

protection

of

enclosures

Clearancesandcreepagedistances

Protectionagainstelectricshockandintegrityofprotectivecircuits

Incorporationofswitchingdevicesandcomponents

Internalelectrical

circuits

and

connections

Terminalsforexternalconductors

Performance


Temperature

rise

limits


Electromagneticcompatibility

MechanicalOperation


19/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degreeof

protection

of

enclosures




Internalelectrical

circuits

and

connections


Performance


Temperature

rise

limits



MechanicalOperation


20/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degreeof

protection

of

enclosures




Internalelectrical

circuits

and

connections


Performance


Temperature

rise

limits



MechanicalOperation


21/78

61439 Part2:2009

Strengthof

materials

and

parts

Allofthecharacteristicsrequireverificationbytest.

Resistancetocorrosion

Propertiesof

insulating

materials

Resistancetoultravioletradiation

Lifting

Mechanicalimpact

Marking


22/78

61439 Part2:2009

Strengthof

materials

and

parts

Enclosure


23/78

61439 Part2:2009

Strengthof

materials

and

parts

Allofthecharacteristicsrequireverificationbytest.

Resistanceto

corrosion

Metallicindoorenclosuresandexternalparts

Metallicinternalcomponentsofindoorandoutdoorassembliesuponwhichmechanicaloperationmaydepend.

Metallicoutdoorenclosuresandexternalparts

Resistancetoultravioletradiation If

manufactured

from

/coated

in

synthetic

material

and

for

installationoutdoors

Lifting

Marking


24/78

61439 Part2:2009

Strengthof

materials

and

parts

InternalParts


25/78

61439 Part2:2009

Strengthof

materials

and

parts

Allofthecharacteristicsrequireverificationbytest

Propertiesof

insulating

materials

Verificationofthermalstabilityofenclosures Onlyrelevanttoenclosuresortechnicallysignificantexternalparts

manufacturedofinsulatingmaterial.

Verificationof

resistance

of

insulating

materials

to

normal

heat

Partsthatsupportconductors

Otherparts

Verificationofresistanceofinsulatingmaterialstoabnormalheat

and

fire

due

to

internal

electric

effects

Partsthatsupportconductors

Otherparts


26/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degreeof

protection

of

enclosures




Internalelectrical

circuits

and

connections


Performance


Temperaturerise

limits



MechanicalOperation


27/78

Degreeofprotectionofenclosures

IEC60529

TheIP(IngressProtection)isbrokendownto2

elements

IPXX ProtectionagainstSolidObjects

IPXXProtectionagainstwateringress


28/78

Degreeofprotection

IEC60529

IPXX ProtectionagainstSolidObjects

IP2X

12.5

mm

Probe

IP3X 2.5mmProbe

IP4X 1mmProbe

IP5X Dust(nopressure) 8hours

IP6X Dust(negativepressure) 8hours


29/78

Degreeofprotection

IEC60529

IPXX Protectionagainstwateringress

IPX1

Vertical

Drips

10

Minutes

IPX2 Dripsat15angle

IPX3 Sprayat0&60angle

IPX4 Sprayatallangles

IPX5 PressuredJet

IPX6

High

Pressured

Jet

IPX7 Temporarysubmersion

IPX8

Continuous

submersion

(depthmust

be

stated)


30/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degree

of

protection

of

enclosures Clearancesandcreepagedistances Protectionagainstelectricshockandintegrityofprotectivecircuits


Internalelectrical

circuits

and

connections


Performance


Temperaturerise

limits



MechanicalOperation


31/78

61439 Part2:2009

Clearancesand

Creepage

distances

Clearance:

Thedistance

from

alive

conductor

to

another

liveconductororearththroughair.

Creepage:

Thedistanceoverthesurfaceofinsulating

materialfrom

alive

conductor

to

another

live

conductororearth


32/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degree

of

protection

of

enclosures Clearancesandcreepagedistances

Protectionagainstelectricshockandintegrityofprotectivecircuits Incorporationofswitchingdevicesandcomponents

Internal

electrical

circuits

and

connections Terminalsforexternalconductors

Performance


Temperaturerise

limits



MechanicalOperation


33/78

61439 Part2:2009

Protection

against

electric

shock

and

integrity

of

protectivecircuits

Protectionagainstconsequencesofafaultwithintheassembly

ResistanceMeasurement

Protectionagainstconsequencesoffaultsinexternalcircuitssuppliedthroughtheassembly

Shortcircuitwithstandverification


34/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degree

of

protection

of




Internal

electrical

circuits

and


Performance


Temperaturerise

limits



MechanicalOperation


35/78

61439 Part2:2009

Incorporationof

switching

devices

and

components

Selection

To

Suit

the

assemblies

application Installation

Tobeinstalledinaccordancewiththemanufacturers

instructionsNottoimpairtheirproperfunction

Accessibility

Adjusting&

resetting

shall

be

easily

accessible

Considerationofadjacentfunctionunits

Nottoolowortoohigh


36/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degree

of

protection

of




Internalelectrical

circuits

and

connections


Performance


Temperaturerise

limits



MechanicalOperation


37/78

61439 Part2:2009

Internalelectrical

circuits

and

connections

MainCircuits

Suitable

for

short

circuit Busbars

connections

Neutral

conductor

size

AuxiliaryCircuits

Bare&Insulatedconductors

SuitableforTemperaturerise

SuitableforInsulationvoltage


38/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degree

of

protection

of




Internal

electrical

circuits

and

connections TerminalsforexternalconductorsPerformance


Temperaturerise

limits



MechanicalOperation


39/78

61439 Part2:2009

Terminalsfor

external

conductors

Suitabilityofconnectionofexternalconductor

Typeof

material

Copper

/Aluminium

/Both

Sizeofexternalconductor

Sizeofcableaccess

Enablescorrectcableinstallation

Marking


40/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degree

of

protection

of




Internal

electrical

circuits

and


Performance


Temperaturerise

limits



MechanicalOperation


41/78

61439 Part2:2009

DielectricProperties

PowerFrequency

Assessesthe

insulation

resistance

Impulse

Assessestheabilitytotheassemblytocopewith

avoltage

spike


42/78

61439 Part2:2009

DesignVerification

characteristics

Construction


Degree

of

protection

of




Internal

electrical

circuits

and


Performance


Temperaturerise

limits



MechanicalOperation


43/78

61439 Part2:2009

TemperatureRise

Limits

Therehasbeenasignificantchangetotheway

assembliesare

rated

for

its

operational

current.

Ratedcurrent

OftheAssembly(InA)

Ofacircuit(Inc)

Rateddiversityfactor(RDF)


44/78

TemperatureRise

Limitsthateffecttheratingsare:

BuiltinComponents

Busbarsandconductors,Plugincontactsof

removableor

withdrawable

parts

which

connecttobusbars

Discretearrangementsofplugandsockettype

connections


45/78

TemperatureRiseLimits

MaximumAmbientTemperature 40DegreesC

50Degrees

C

MaximumWorkingTemperature

MaximumWorking

Temperature

Maximum

Ambient

Temperature

=Temperature

Rise

135C50C=85K(C)

Thetemperaturemeasuredandconsideredistherisethat

isachieved

after

stabilisation

(>1K

in

1Hour)

levelofriseisstatedinK(Kelvin)1K=1C


46/78

Temperature

Rise

LimitsSpecifiedLimits

(Basedat40DegreesCMaximumAmbient)

Terminalsforexternalinsulatedconductors:70K

ManualOperatingMeans

OfMetal:

15K

OfInsulatingMaterial:25K

Accessibleexternalenclosuresandcovers:

MetalSurfaces:

30K

InsulatingSurfaces:40K

BareCopperbusbars&Conductors:105K


47/78

61439 Part2:2009

TemperatureRise

Limits

100AmpDevice,unenclosedrating.

(In)IEC60947

Asanexample:

61439 P 2 2009


48/78

61439 Part2:2009

TemperatureRise

Limits

100AmpDevice,fittedinacompartment.

61439 P 2 2009


49/78

61439 Part2:2009

TemperatureRise

Limits

Temperatureriselimitsaremetbefore100%

ofInrating.Example80A

100AmpDevice,fittedinacompartment.

Asanexample:

61439 P 2 2009


50/78

61439 Part2:2009

TemperatureRise

Limits

80Amps

Disclosedratingofcircuit:Inc=80A

Asanexample:

61439 P t 2 2009


51/78

61439 Part2:2009

Verificationby

test

option

1

Alloutgoingwaystestedwithadiversityof1

Theratedcurrentofeachcircuitisrequiredtobestatedby

theoriginalmanufacturer.

Thisratingisexpectedtobelessthanthemaximum

ratingofthedevice.

Testingthiswayneedsleastnumberofteststobe

performed.

Thismethodoftestisalsolikelytoresultinthelowestrated

currentofeachdevice

61439 P t 2 2009


52/78

61439 Part2:2009

Verificationby

test

option

1

Whereanassumedratedcircuitis

applied.

A

section

of

5

off

circuits,

withinanassembly,nowhasadiversity

factorof1applied.

DisclosedRatingofCircuit(Inc)=60A

Asanexample:

61439 P t 2 2009


53/78

61439 Part2:2009

Verificationby

test

option

1

Busbars,incomingdevice&

outgoingdevices

(with

Diversity

of

1)

61439 P t 2 2009


54/78

61439 Part2:2009

Verificationby

test

option

2

Eachsizeofoutgoingwaytestedtoestablishitsratedcurrent,

thentestassemblywithadiversityfactorapplied.

Theratedcurrentofeachcircuitisprovenbythelaboratory

Thecompleteassemblyistestedwhole,witharated

diversityappliedtoalloftheoutgoingways

Thismethodoftestwillprovidearatedcurrentforall

outgoingways,andhavearateddiversity

61439 P t 2 2009


55/78

61439 Part2:2009

Verificationby

test

option

2

Asection

of

5off

80Amps

circuits

(Inc),


factorof0.8applied.

Asanexample:

61439 P t 2 2009


56/78

61439 Part2:2009

Verificationby

test

option

2

Individualoutgoingdevices

61439 P t 2 2009


57/78

61439 Part2:2009

Verificationby

test

option

2


outgoingdevices

(with

Diversity)

61439 Part 2 2009


58/78

61439 Part2:2009

Verificationby

test

option

3

Eachsizeofoutgoingway,mainbusbarsanddistributionbusbarstestedto

establishtheirratedcurrent,thentestassemblywithadiversityfactor

applied.

Theratedcurrentofeachcircuitisprovenbythelaboratory

Theratedcurrentofthemainbusbarsisprovenbythelaboratory

Theratedcurrentofthedistributionbusbarsisprovenbythelaboratory

Thecompleteassemblyistestedwhole,witharateddiversityappliedto

alloftheoutgoingways

Thismethod

of

test

will

provide

arated

current

for

all

outgoing

ways,

andhavearateddiversity,aswellashavingaratedcurrentforthemain

busbarsandthedistributionbusbars

61439 Part 2: 2009


59/78

61439 Part2:2009

Verificationby

test

option

3

Asection

of

5off

80Amps

circuits

(Inc),


factorof0.8applied.

Asanexample:

61439 Part 2: 2009


60/78

61439 Part2:2009

Verificationby

test

option

3

Individualoutgoingdevices

61439 Part 2: 2009


61/78

61439 Part2:2009

Verificationby

test

option

3

Mainbusbars,incomingdevice

61439 Part 2: 2009


62/78

61439 Part2:2009

Verificationby

test

option

3

Mainanddistributionbusbars,

incomingdevice.

61439 Part 2: 2009


63/78

61439 Part2:2009

Verificationby

test

option

3


outgoingdevices

(with

Diversity)

61439 Part 2: 2009


64/78

61439 Part2:2009

TemperatureRise

Limits

Aswellasverificationbytestthereare2othermethodsof

verification:

Derivationofratingsforsimilarvalues

(thiscanonlybeperformedfromatesteddesign)

Calculation basedondesignrules.

Thiscan

only

be

done

on

single

compartment

assemblies

below

630Ampsor

Onamultiplecompartmentassemblybelow1600A

61439 Part 2 2009


65/78

61439 Part2:2009

Design

Verification

characteristicsConstruction






Internalelectricalcircuitsandconnections


Performance


Temperature

rise

limits Shortcircuitwithstandstrength Electromagneticcompatibility

MechanicalOperation

61439 Part 2: 2009


66/78

61439 Part2:2009

ShortCircuit

Withstand

Strength

ThereareThreeformsofDesignVerificationmethodsavailable:

Verificationbytheapplicationofdesignrules

(Achievedbypositivecompletionofthechecklist Table13)

Verificationbycomparisonwithareferencedesign

(followingguidelineswithinthestandard)

Verificationbytest

61439 Part 2: 2009


67/78

61439 Part2:2009

ShortCircuit

Withstand

Strength


outgoingdevices


68/78

ShortCircuitWithstandStrength

Testsconducted

3phasemainbars

1phasetoneutralmainbars


69/78


50kAfor1secondteston2xcopperbar


70/78


Testsconducted

3phasemainbars

1phasetoneutralmainbars

3phaseoutgoingcircuits

1phase

to

neutral

outgoing

circuits


71/78


OutgoingDevices

61439 Part 2: 2009


72/78

61439 Part2:2009

Design

Verification









Performance




Electromagneticcompatibility MechanicalOperation

61439 Part 2: 2009


73/78

61439 Part2:2009

Design

Verification









Performance





MechanicalOperation

61439 Part 2: 2009


74/78

61439 Part2:2009

Routine

Verification



Clearances

and

creepage

distances Protectionagainstelectricshockandintegrityofprotectivecircuits



Terminalsfor

external

conductors

MechanicalOperation

Performance


Wiring,operationalperformanceandfunction

61439 Parts 1 & 2: 2009


75/78

61439 Parts1&2:2009

To

SummarisePTTA & TTA replaced by design verification

Original and Assembly manufacturer recognised

Clarity provided in where design rules and calculation can be

used

Routine verification introduced to cross reference design

verification

New tests required on enclosure

Changes in the temperature rise test procedure


76/78

Wherecan3PhaseDesignHelp?

3PhaseDesigniscapableofproviding:

ToEndUsers&Consultants

Guidanceininterpretingthestandard

Assistanceinitsincorporationintotheirspecification

Reviewof

assembly

manufactures

technical

documentation


77/78

Wherecan3PhaseDesignHelp?

3PhaseDesigniscapableofproviding:

Original&AssemblyManufacturers

Assistanceindeterminingthemostsuitabletestprocedure

Guidanceinthedesignofthetestarrangements

Assistancein

application

of

design

rules

and

calculation


78/78

Thankyou

for

your

time.

Pleaseaskanyquestions?

RobSwann&CraigMcKee

[email protected]

[email protected]

www.3phasedesign.com

www.IEC61439.com
mailto:[email protected]:[email protected]://www.3phasedesign.com/http://www.iec61439.com/http://www.iec61439.com/http://www.3phasedesign.com/mailto:[email protected]:[email protected]

Documents

Understanding 61439 by 3 Phase Design