ComAp IG-NT-BB User guide

IGS-NTSafetyManual1.0rev.8 Page1of 7

IGS-NT-1.0 – SafetyManual/ ©ComAp – March 2014/ IGS-NT-1.0-SafetyManualrev.8.pdf

ComAp,as.

Kundratka2359/17

180 00 Praha 8

CzechRepublic

ISO9001 Certified

Tel.:+420 246012111

Fax: +420 266316647

E-mail: info@comap.cz

Internet: http://www.comap.cz

IGS-NTSafetymanual

Thisdocument shall provide thedetaildescription forcustomers ofComAp paralleling controllers, namelyfor

IGS-NTline members (controllers named in the following bullets) how to connectthe controllerand coherent

systems, to complywith VDE-AR-N-4105 requirements, namelywith the requirement forSingle fault

tolerance.

Thismanualisdedicated forfollowing ComAp controllers:

·IG-NT-BB

·IG-NTC-BB

·IS-NT-BB

·IS-NTC-BB

·IM-NT-BB

·IM-NTC-BB

·AIO-NT-BB

·AIO-NTC-BB

and allthese controllers are generallynamed asa “controller” in thisdocument.

Hint:

On allthe schemesshown below,it isassumed, that:

·Allbinaryoutputsare activated aslow side switches, it meansin active state the BOprovidesminus

pole ofthe controllerpowersupply.

·Allbinaryinputsare activewhen minuspoleofthe controllerpowersupplyisapplied toinput

terminal.

In case the logicon particularinstallation (site)isopposite (e.g. binaryoutputsarehigh side switchtype)the

corresponding change hasto betaken into account in the scheme aswell(interchangebetween L-and L+

terminals). Due to betterreadabilityoftheschemesthischange isnot shown.

In the text belowthereisreferred aboutcircuitbreakers, CB. These CBare meantasthe 2 redundant CB

which the normVDE-AR-N4105requires.Based on the target application – SPI, SPtM orMGCBthe

redundantbreakers are eitherGCB1 and GCB2in case ofSPIandSPtM application, orMGCB1and

MGCB2incase ofMGCBapplication. Due to thisvariabilitythe redundant breakers are referred asCBand

based on the target applicationthismeanseitherGCBorMGCB.

Single FaultTolerance requirement

VDE-AR-N 4105:2011-08requestsin point A.6 that centralNSprotection,integrated interface switchaswell

asthe triggercircuit consisting ofintegrated NSprotection andintegrated interface switch shall meet the

requirementsforsingle-fault tolerance.

Thisrequirement can not be achieved withanysinglecontrollermentioned abovetherefore 2 independent

devices(orunits) haveto be used instead ofjust one controller.

There are following possibilities:

1. ComAp controller(mentioned above)plusMainsPro controller(independent mainsprotection unit).

IGS-NTSafetyManual1.0rev.8 Page2of 7

IGS-NT-1.0 – SafetyManual/ ©ComAp – March 2014/ IGS-NT-1.0-SafetyManualrev.8.pdf

ComAp,as.

Kundratka2359/17

180 00 Praha 8

CzechRepublic

ISO9001 Certified

Tel.:+420 246012111

Fax: +420 266316647

E-mail: info@comap.cz

Internet: http://www.comap.cz

Breakers control according to VDE-AR-N 4105

In SPI applications, there are controlled 2 redundant GCBbreakers, based onthe following picture - Pict. 1.

Controllerbehavesasa NSprotection systemand incase ofnetworkfailureit tripsboth GCB1and GCB2.

Gen Engine

Mains /Network

GCB1 GCB2

Pict. 1. SPIapplication with controlof2 redundant breakers, according toVDE-AR-N 4105

In SPtMapplication thereare controlled 2 redundant GCBsand 1 MCB. The breakerredundancy

requirement oftheVDE-AR-N 4105iscreated with the GCBbreakers to ensure the gen-set isdisconnected

fromnetworkand anyremaining customersystemas4105 requires. Controllerbehavesasa NSprotection

systemand in caseofnetworkfailureit tripsboth GCB1 and GCB2.

Mains/ Network

Load

MCB GCB1 GCB2

Gen Engine

Pict. 2. SPtM application with controlof2 redundantbreakers according theVDE-AR-N 4105

In complexapplications, InteliMainsNTcontrollerhasto be used, MGCBapplication and the breaker

redundancyrequirement ofthe VDE-AR-N 4105iscreated with the MGCBbreakers to ensurethe standby

function ofthe solution. Controllerbehavesasa NSprotection systemand in case ofnetworkfailureit trips

both MGCB1 and MGCB2.

Gen Engine

Mains/ Network

MCB

Load

MGCB1

Gen Engine

GCB1

GCB2

MGCB2

Pict. 3. MINTapplication with controlof2 redundantbreakers using InteliMainsNT controller

IGS-NTSafetyManual1.0rev.8 Page3of 7

IGS-NT-1.0 – SafetyManual/ ©ComAp – March 2014/ IGS-NT-1.0-SafetyManualrev.8.pdf

ComAp,as.

Kundratka2359/17

180 00 Praha 8

CzechRepublic

ISO9001 Certified

Tel.:+420 246012111

Fax: +420 266316647

E-mail: info@comap.cz

Internet: http://www.comap.cz

Option1 -use MainsProrelay

Foranyapplication shownaboveon the Pict. 1, or Pict. 2, or Pict. 3 the concept of2 independentunitscan

be used.

MainsPro swversion 1.4.1,hwversion: 1.2 isindependent ComAp protectionrelaywhich measuresnetwork

voltage and frequencyand tripsthesupervised CBin case networkvaluesarenot withinadjusted limits.

In thisconcept, 2 independent unitsare used -controllerand MainsProunit. The primarybreakeris

controlleddirectlyfromthe controller; the secondarybreaker(redundant)iscontrolled fromthe controller

through MainsPro unit.

Once controllerdetectsnetworkparameters out oflimits, it tripstheprimarycircuitbreakerand

simultaneouslygivesacommand to the MainsProunit to tripthe secondarycircuitbreaker.

Once the MainsProrelaydetectsnetworkparameters out oflimits, it tripsthe secondarycircuit breakerand

simultaneouslygivesasignalto controllerto trip the primarycircuit breaker.

Thisinterconnection ensures, that both breakers are tripped in everycase the networkparameters are outof

limitsand alsoboththecontrollerand MainsPro relayare tested everycasethenetworkparameters are out

oflimits. In case anyoftheunitsfail, the alarm: GCBfail orMGCBfail occurs (In case MainsPro relayfail,

controllerwilldetect redundant CBfaildue to non receiving changeon the redundant CBfeedback. In case

controllerfailsto open the primaryCB,itwilldetect the primaryCBfaildue to non receiving change onthe

primaryCBfeedbacksignal)

Wiring instructionsofthisconcept:

·SignalsforcontrolofprimaryCBhasto be configured to anyphysicalbinaryoutputs1 – 8 ofthe

controller.

·Signalsforcontrolofredundant CBhasto be configured toanyphysicalbinaryoutput9-16 (9-12

based on the controllerhardware)ofthecontrollerand connected toTripping input ofthe MainsPro

unit– BI1 Ext Trip.

·Signalsforboth primaryand secondaryCBfeedbackhasto be configured to anybinaryinput ofthe

controller.

·SignalfromMainsPro relay, signalizingthat the CBshallbe tripped hastobe connected to the

Controller, LBI: Ext MPTrip.

·Allthese signalsare alreadypreparedindefault archivesand thereisno need toconfigure anything

in relationto thisinterconnection.

ControllerandMainsPro relayhave to beconnected asfollows:

IGS-NTSafetyManual1.0rev.8 Page4of 7

IGS-NT-1.0 – SafetyManual/ ©ComAp – March 2014/ IGS-NT-1.0-SafetyManualrev.8.pdf

ComAp,as.

Kundratka2359/17

180 00 Praha 8

CzechRepublic

ISO9001 Certified

Tel.:+420 246012111

Fax: +420 266316647

E-mail: info@comap.cz

Internet: http://www.comap.cz

Pict. 4. Blockscheme howto connect theControllerand MainsPro unit, in casecontactorisused forGCB

control– in SPIorSPtM application. ForMGCBapplication the scheme isidenticalbut instead ofGCBthe

MGCBsignalsareused.

IGS-NTSafetyManual1.0rev.8 Page5of 7

IGS-NT-1.0 – SafetyManual/ ©ComAp – March 2014/ IGS-NT-1.0-SafetyManualrev.8.pdf

ComAp,as.

Kundratka2359/17

180 00 Praha 8

CzechRepublic

ISO9001 Certified

Tel.:+420 246012111

Fax: +420 266316647

E-mail: info@comap.cz

Internet: http://www.comap.cz

Pict. 5 . Blockscheme howto connect the Controllerand MainsPro unit, in case circuit breakerisusedfor

GCBcontrol–inSPI orSPtM application.ForMGCBapplicationthescheme isidenticalbut instead ofGCB

the MGCBsignalsareused.

Thismeans, that bothunitsserve asindependent unitsand soeachofthemmeasuresindependentlythe

Mainsparameters and in case theoutofrangeisdetected, both CBare tripped.

IGS-NTSafetyManual1.0rev.8 Page6of 7

IGS-NT-1.0 – SafetyManual/ ©ComAp – March 2014/ IGS-NT-1.0-SafetyManualrev.8.pdf

ComAp,as.

Kundratka2359/17

180 00 Praha 8

CzechRepublic

ISO9001 Certified

Tel.:+420 246012111

Fax: +420 266316647

E-mail: info@comap.cz

Internet: http://www.comap.cz

Appendix

Parametersfor CircuitBreakers

To be able toreach requested timing asperVDE-AR-N-4105, CBhastobe able to open contactswithin

80msfromdeactivation. Ourconcept supposedto use100msreaction time forcontrolequipment reaction

and 80msistime dedicated forCBreaction.

You have to usea reliableCircuitBreakerwithknown reliabilityandthisCircuit breakerhasto have contacts

constructed in thewaywhich avoid false feedbackindicationincase ofanyfailure. Circuitbreakerhastobe

design forcompliancewith VDE-AR-N 4105.

Example could bee.g. SchneiderElectricNSX, NSand NWfamilyorABB TmaxorEmaxfamily,plusmany

others.

Commissioning

The safetyfunctions, created by:

·Combination ofcontrollerand MainsPro relay

hasto wired perinstructionsabove and shallbe tested priorconnection ofthe plant to the network.

Test ofMainsPro relay:

·ActivateBI: 1 Ext Trip on the MainsPro. MainsPro terminalnumber24 shallchange itsstate.

·Deactivate BI:1 Ext Trip on the MainsPro. MainsProterminalnumber24 shall change itsstate to

originalvalue.

Test ofMainsPro relayisdone byeveryclosing and opening ofthe CB2.In caseMainsPro relayfails,

controllerissuealarm: GCBfdb Sfailand tripsthe plant fromnetwork, type ofprotectionShutdown.

Safetyfunctionshasto be checked during commissioning and recordhasto be made about thistest.

Then, customerhasto establishperiod forperiodictesting.

IGS-NTSafetyManual1.0rev.8 Page7of 7

IGS-NT-1.0 – SafetyManual/ ©ComAp – March 2014/ IGS-NT-1.0-SafetyManualrev.8.pdf

ComAp,as.

Kundratka2359/17

180 00 Praha 8

CzechRepublic

ISO9001 Certified

Tel.:+420 246012111

Fax: +420 266316647

E-mail: info@comap.cz

Internet: http://www.comap.cz

Mandatorysettingsofnetworkprotectionsincontroller and MainsPro

The following tablesdetermine the networkprotectionsparameters, which have to adjusted in the controller

and inMainsPro (in caseMainsPro isused). Afterparameters adjustment the change ofparameters hasto

be disabled – eitherbypasswordin case ofcontrollerormechanicalsealin caseofMainsPro.

Controller

Groupe Name ofsetpoint Value

Mainsprotect Mains<VMP 80%

Mains>VMP 115%

Mains>f 51.5Hz

Mains<f 47.5Hz

MainsAvg>V MP 110%

MainsProtDel 0s

Protect type LOWVOLT

Sync/Load ctrl MainsSyncVMax 110%

MainsSyncVMin 85%

MainsSyncFmax 50,05Hz

MainsSyncFmin 47.50Hz

MainsSyncTShrt 5s

MainsSyncTLong 60s

Slow Load ramp 600s

MainsPro

Groupe

Name of

setpoint Value

Note

U<> U> 115%

Value hasto be set in absolutevalue. So

have tobe calculated fromNominalVoltage

and percentage at Value column

U>Del 0.00s

U< 80%

Value hasto be set in absolutevalue. So

have tobe calculated fromNominalVoltage

and percentage at Value column

Avg U> 110%

Value hasto be set in absolutevalue. So

have tobe calculated fromNominalVoltage

and percentage at Value column

F<> f> 51.50Hz

f>Del 0.00s

f< 47.50Hz

f<Del 0.00s

f(BI) f(BI1) Ext

f(RE) f(RE1) !CommTrpPer

f(RE2) !Internfail

f(RE3) U Sig

f(RE4) F Sig

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