Wavecom WMO2 GSM 900 Especificações descarregar pdf (Página 2)

Switchpointheating VärmeKabelTeknik

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Index

GENERAL......................................................................................................................PAGE

GeneralaboutinstallationofVELOXSwitchpointheating...........................................................2

Compontents...........................................................................................................................3‐4

Assemblyinstructions..............................................................................................................5‐6

Assemblyinstructionsforcontrolcabinets..................................................................................7

Communication/Supervising........................................................................................................8

Communication/Supervisingaccessories...............................................................................9‐10

Functiontestsandfaultdetection.............................................................................................11

Installationprotocol...................................................................................................................12

Ownremarks..............................................................................................................................13

VärmeKabelTeknik.....................................................................................................................14

Generalremarksabouttheinstallationofswitchpointheating

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Heating element

Railwayswitchpointheatingisinstalledinorderto

main‐tainthefunctionofthepointmechanismwithout

theneedformanualclearing.

Theinstallationinvolvespositioningflexibleheatingele‐

mentsalongthefootofthestockandswitchrails.Inex‐

tremecases,doubleelementswillbeinstalledinthe

sec

‐tionofthepointbladewiththemostmovement,in

ordertoquicklymeltanysnoworicefallingoffpassing

trainsasaresultofvibration.

Thepointrodpitmayalsobeprovidedwithheatingby

meansofourpointrodheaters,whichareconnectedup

toextension

terminalsontheheaterspositionedonthe

stock‐rail.

Theheatingelementsarefixedtotherailusing

stainless‐steelprotectivechannels.Thechannelsare

suppliedinlengthsofonemetreandareavailablein

rigidandflexibledesigns.

Heatersandchannelsarefixedtotherailbymeansof

special

clipsmadeofspringsteel.

Severaldifferenttypesofrailprofilesare

foundintheswitchpointsthatexisttoday,

andsoitisimportanttostatethecorrecttype

ofrailinordertogettheappropriatetypeof

clip.

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Control system

TheVELOXswitchpointheatingsystemcanbeusedwith

themostexistingcontrolsystems,providedtheysupply

230Vonthefeedercabletothepointheating.

Thisisbecausetheheaterslimittheirpoweroutputin

relationtothetemperatureoftherail.

Asaresultofitsdesign,theheating

elementproducesa

relativelystrongstartingcurrent,butthiscanbe

preventedthroughtheuseofsoft‐startregulators.

VELOXRAILPOINTREGULATOR

Wemanufacturecustomdesignedautomatic‐control

cabi‐netscontainingthyristorcontroldevicesandsoft‐

startregulators,aswellasequipmentforremote

controlandloggingofenergyconsumption

and

temperature,amongotherdata.

Theparametersoftheregulatorcanbecheckedandad‐

justedfromaremote‐connectedcomputer,andlogged

temperatureandcurrentvaluesmay,inthesameway,

becollectedandanalysedfurther.Communicationisby

afixedtelephoneconnectionorviaamodeminthe

auto

‐matic‐controlcabinetoveramobilelink.

Itisimportanttoindicateaccesstoa

telecommunicationconnectionandtostatethetypeof

feedingavailable(230/400or115/230)andiffouror

fiveconductorsystem.

Moredetailedinformationcanbeobtainedbyour

switchpointheatingdatasheets.Call+46‐301‐418

50orsendusamail‐[email protected]

‐toorderthese

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