OPTI-UPS SS20K33 User manual

Type
User manual
- 1-
AVR
IndustrialGradeHighEfficiencyA.CVoltageRegulator
USER’SMANUAL
OPTIUPSInternationalCorporationreservestherighttomakeengineeringchangesonallitsproducts.Suchrefinements
mayaffectinformationgivenintheinstructions.Therefore,USEONLYTHEINSTRUCTIONSTHATAREPACKEDWITHTHE
PRODUCT.
WARNING:Highvoltagesarepresentinsidethisunitduringoperation.Donotoperatethisunitunless
allcoversareinplace.
Installationandservicingshouldonlybedonebyqualifiedpersonnel.
- 2-
CONTENTS
1‐TheProtectionandMaintenanceofAVR
3
2‐Safetywarnings
4
3‐Descriptionofthesymbolsusedinthismanual
5
4‐Introduction
6
5‐FunctionsIntroduction
7
6‐PreliminarywarningstousetheAVR
7~8
7‐Operatingprocedures
8~9
8‐TheOperationProceduresofMaintenanceByPassSwitch
10
9‐Maintenance&Cleaning
10~11
10‐TroubleshootingGuide
11
11‐Storage
11
12‐Technicalspecifications
12
13‐Machineschematicview/outline
12~19

- 3-
1‐TheProtectionandMaintenanceofAVR
1.PleasecleanandmaintaintheAVRperiodicallytokeepfromdustforlastingmachinelife.
2.Pleaseusesoftclothforwiping,andpleasedon’tusesandpaperasdetergent.
3.Pleasecheckeverykindofconnectionwireseverymonthperiodicallytopreventtheloosingor
abrasion.
4.Pleaseplacetheunitonaflatorevensurface.
5.Thisunitshouldbesituatedwithwellventilation,pleaseallowatleast30cmclearancefromtherear
front,leftandrightside,andtheseventilationopeningsofrightandleftfront,andrearlineshould
neverbeblocked.
6.Pleaseavoidthedirectsunshine,rainormoistureplace.
7.Keepingtheunitawayfromfireandhightemperaturetoavoidoverheat.
8.Pleasedon’tplaceanyobjectonthetop.
9.Avoidingtheinstallingplacethatcontainsthecorrosiongas.
10.Operatingtemperatureisbetween0~40
.
30cm
- 4-
2‐Safetywarnings
Fortheuser’sownsafety,thesafetyofdataandthisproduct
readthefollowingsafetyinstructionscarefullybeforeusing
theunit!
‐Thissystemhasbeendesignedtoprovideallthenecessarysafetyconditionsneeded
toprotectelectronicofficeequipmentincludinginformationsystems.Incaseofanyquestions,
refertoyourauthorizedtechnicalservicerepresentative.
‐Inordertoavoidanydamagetotheequipment,itisadvisedtotransportitinits
ownpacking.
‐Intheeventofsuddentemperaturechangessuchasfromcoldtothenormalworkingtemperature,
mistcanforminsidetheAVR.ItisabsolutelyessentialthattheAVRbedrybeforeswitchingiton.
Duetothisreasonwaitforatleast2hoursbeforeoperatingit.
‐Oncedry,makesureyouobservealltheconditionsintheenvironmentsectionofthetechnical
specificationstable,beforeintroducingitintothecircuit.
‐WheninstallingtheAVRitisnecessarytouseaconnectioncableofsuitablediameter.Thepointto
benotedhereisthattheneutral
andtheearthingconnectionsshouldbedoneintheproperway.
‐Placeallthecablesinaproperplacesothattheyarenotsteppedonorgetcaughtintopeoplesfeet.
BeforeconnectingtheAVRtothecircuitmakesureyoucarefullyreadalltheinstructionsand
warningsinthe“MontageandOperatingProceduressectionofthismanual.
‐Don’tdropanyforeignmaterials(likeclips,nailsetc...)intotheequipment.
‐Inemergencies(damagetothecabin,frontpanel,ormainsconnections,splashingofliquiddropping
ofanyforeignmaterialsintotheequipment)switchofftheAVR,pullouttheplugandinformthe
authorized
servicecenter.
‐TheAVRcanonlyberepairedbytheauthorizedtechnicalservicepersonnel.Anyattempttoopen
andtorepairbytheuseronhisowncouldprovetobedangerous.
‐DonotconnectanyconsumerloadstotheAVR,whichexceeditspowerrange.
‐Readtheinstructions
carefullyinthe“TheOperationProceduresofMaintenanceByPassSwitch”&
“Cleaning”sectionwhencleaningtheAVR.
‐Leaveatleastadistanceof45cmbetweentheAVRandthewallsinordertomaintainadequate
airflow.
- 5-
3‐Descriptionofthesymbolsusedinthismanual
Thefollowingsymbolshavebeenusedinthismanual.
Thissymbolgivesinformationregardingpointsimportantforuser’sownhealthand
safety,AVRoperationandthesafetyofyourdata.
Thissymbolgivesinformation,warnings,andothersuggestions.
Thissymbolshowstheoperationsthatneedtobeexecuted.
- 6-
4‐Introduction
Inputpowerisappliedacrossthemotordrivenvariabletransformerwhichhasa“centertap”that
dividesthevariabletransformerintobuckingandboostingvoltageareas.Thebuckboosttransformeris
afixedratioisolationtransformercapableofhighamperesatlowvoltage.Theratioofthebuckboost
transformerisdeterminedbytheamountofvoltageneededtobuckorboosttheinputlinevoltageto
maintainthespecifiedoutputlevel.Thebuckboosttransformersecondaryiswiredinserieswiththe
loadandtheprimaryisconnectedacrossthevariabletransformer’s“centertap”andbrush
terminals.Dependingonwhichsideofthe“centertap”thevariabletransformerbrushispositioned,
thevariable/buckboosttransformersystemwilladdto(boost)orsubtractfrom(buck)theinputline
voltage.Thefurtherthevariabletransformerbrushisfromthe“centertap”themorebuckingor
boostingofvoltagewilloccur.Thekeytotheprovenreliabilityandlongtroublefreeservicelifeofa
VoltageRegulatorisinthecombinationofamotordrivenvariabletransformerwithbuckboost
transformertechnology.

InputOutput



Figure1.Singlephaseregulatorblockdiagram
Asshowninfigure1,theonlyactivecomponentinthemainpowerpathofthevoltageregulatoris
thesecondaryofthebuckboosttransformer.Thisgivestheregulatortheadvantageofbeingableto
withstandsubstantialcurrentoverloads.Thevariabletransformerbrushes,whicharethemost
vulnerablecomponentinany
variabletransformersystem,arecompletelyisolatedfromoverload
conditionsbythebuckboosttransformer.Duetotransformerinefficiencyaboverateddesign,the
amountofcurrentthatthebuckboosttransformercaninduceacrosstoitsprimarywindingandinto
thevariabletransformercircuitisdramaticallydecreasedasregulatoroverload
currentincreases.
Thecontrollermonitorstheregulator’soutputvoltageandthenusesthesefeedbacksignalsto
determinedrivecommandsforthevariabletransformermotorinterfacecircuit.Thecontrolleris
designedtoadjustthemotorizedvariabletransformertoprovidea+/1~2%orbetteroutputvoltage
regulationovertheentireinputvoltagerange.
5‐FunctionsIntroduction
M Controller
Buck-Boost transformer Variable transformer
- 7-
MCCB1:Moldcastcircuitbreaker
Mainpowerswitch
MCCB2:Moldcastcircuitbreaker
Maintenancebypassswitch.
PleaserememberthatMCCB2isusedonlyforservicetechnician.
Nonmaintenancepersonnelmustnotopenittouse,otherwise,AVRcouldbebreakdownbecauseof
improperoperating.
Onpushswitch(redbutton):
Controllingtheoutput(On)action.
Offpushswitch(greenbutton):
Controllingtheoutput(Off)action.

Off(0):AVRnoaction,sotheoutputhasnovoltagestabilityfunction.
On(1):AVRaction,sotheoutputvoltageissteady.
Voltageandcurrentindicator:(Thereisnovoltage&currentmeterindicationbelow50KVA).
Voltagemeter(V)indicatestheoutputvoltage.
Voltageselectorindicatesperphase(UVW)withNtheoutputvoltage.
6‐PreliminarywarningstousetheAVR
AutomaticVoltageRegulator(AVR)areusedtoprotectthesensitiveloadsfromtheunstablemainsand
toprovideproperoperatingoftheload.
Relatedpointsforhumanhealtharementionedin“SafetyWarnings”partofthismanual.
Inthispart,thesepointswillrepeatedtogiveinformationabouttheconnectionsofAVRandtheload.
WheninstallingtheAVRtousecablewithimproperdiametercanbedangerousforuser
healthandsafetyoftheunit.
Earthcableshouldbechosenconcerningthecurrentcapacity,whichiswrittenonthelabelon
thefrontpaneloftheAVR.Allunitsearthconnections,whichareconnectedtoAVR,should
bedonewiththisearthcable.Withoutearth,connectionorunprovedearthconnectedunits
aredangerousforuserhealthandhavehighriskofelectroniccircuitboardfaults.

Theoperationenvironmentandcableconnectionplaysveryimportantroletothe
functionofAVR.ItwillcauseverydirectandcriticaleffecttotheAVR’sMTBF.Therefore
- 8-
itisessentialtofollowtheinstructionsofinstallationandcableconnection.
Requirementofoperationenvironment
TheoperationenvironmentplaysavitalroleforanAVR,boththefunctionandtheenduranceofAVR
willallbeeasilyaffecte diftheenvironmentdoesnotmeetitsrequirementlistedbelow
1.Ambienttemperature0~40.
2.Keepofftheoilandthesalt.
3.Keepoffdust,fluffandmetaldust.
4.Avoidinstallingonavibratorymachine.
5.IfAVRisinstalledinsideamachineorapanelcabinet,theventilationisveryimportant,thebestis
toaddcoolingfan.
6.DonotplaceanythingontopoftheAVR.
CableConnection
1. The installation standard varies with the different models, different capacities as well as the
different voltage, please refer to the appropriate installation standard provided in this manual to
installyourAVRandputattentiontotherightcablesusedforinstallation.
2. PleaseuseaseparateACinputBreakerforAVRandacloserdistancetotheACpower
isrecommended.
3. Be sure to check the right polarity while connecting cables to terminals, no matter the AVR is a
singlephaseorthreephase.
4. TheutmostimportancetoinstallathreephaseAVRistomarksureoftherightphaseorder.
5. Forsafelyconsideration,itisstrictlyforbiddentoinstallwithACpower“On”status.
6. Cableassemblingmustbecompletelyinaccordancewiththeelectricianrules.
7‐Operatingprocedures
CheckiftheAVRhasbeensubjectedtoanydamagebeforeunpackingit.
Ifyounoticeanydamagethencontacttotransportfirm.
CheckifallthesparepartshavebeensuppliedwiththeAVR.
Checkingtheinputpoweriscorrectornot,thenclosingallswitches(includingevery
load).
Deliveredpackincludes:
- 9-
AutomaticVoltageRegulator
UserManual
Bythehelpofrollingwheels,carrytheunittoasuitablelocationtoinstallit.
PlugtheinputpowercableofAVRtoproperlyearthedmains.
Checktheconnectionsbeforechangingthepositionoftheinput,output,andbypassswitchesto
suitablepositions.
ProperoperationproceduremakesAVR function moresmoothand preventfromvarious unnecessary
troubles.
Beforeswitchon(initialstart)
InordertoperfecttheAVRnormalfunction,pleasecheckthefollowingsinadvance:
makesureMCCB(1)MCCB(2)Moldcastcircuitbreakerisin“O ffstatus.
makesurealloftheload’sMoldcastcircuitbreakerarein“Offstatus.
makesureallthecablesarefixedtightintheterminalanddonotcomeloose.
checkwithamultimeterfortherightACvoltagetosuitforAVR.
Afteralltheabovearewellconfirmed,pleasetak ethefollowingstepstoswitchOnandOff:
1. toswitchon:
SwitchMCCB(1)Moldcastcircuitbreakerupto“On”position.
Pushingtheredbutton“On”onfrontpanel
 If the red buttonindicatoris lighted,meaning the O/P voltage metershowing the rightoutput
voltagevalue.
UsingTureRMSvoltagemetertomeasuretheO/PN,UVWontheterminalboard.Iftheoutput
voltageiscorrect,AVRisactivatedsuccessfully.
pleasenottooverloadyourAVR
2. toswitchoff:
CloseMoldcastcircuitbreaker“O ffofeveryload.
Pushingthegreenbutton“Off”onfrontpanel,althoughthereisnooutputvoltage,theAVRis
stillinaction.
SwitchMCCB(1)Moldcastcircuitbreakerto“Off”position.

8.TheOperationProceduresofMaintenanceByPassSwitch

- 10-
MaintenanceBypass:
CloseMoldcastcircuitbreaker“O ffofeveryload.
Pushingthegreenbutton“Off”onfrontpanel,althoughthereisnooutputvoltage,theAVRis
stillinaction.
SwitchMCCB(1)Moldcastcircuitbreakerto“Off”position.
SwitchMCCB(2)Moldcastcircuitbreakerupto“On”position.
UsingTureRMSvoltagemetertomeasuretheO/PN,UVWontheterminalboard,iftheoutput
voltageiscorrect,AVRisbypasssuccessfully.
9‐Maintenance&Cleaning
DothecleaningduringtheinputMoldcastcircuitbreakerMCCB(1)andmaintenance
bypassMCCB(2)switchisin“Off”positionforhumanhealth.
Donotusedetergentsoranycleaningmaterialthatmaydamagethecabinetsurfaces.
DonotletanyliquidgetintotheAVR.
Ensurethattheairholesareopen.
TheAVRbodycanbewipedwithacleananddrycloth.
ChecktheareasurroundingtheAVR.Ensuretheareaisnotcluttered,allowingfree
accesstotheunit.
Ensuretheairintakes(ventsonthefrontdoors)andexhaustopening(onrearoftheAVR
cabinetsections)arenotblocked.
Toensuremaximumlifeoftheequipment,thefollowingshouldbepartofanannualmaintenance
program.WarningDeenergizeunitbef or eperformingmaintenance.Voltagesarepresentinsidethisunit
whichcancauseinjury.Therefore,onlypersonnelqualifiedtoserviceelectricalequipmentshould
performmaintenanceonthisunit.
Vacuum the voltageregulatorinsideandouttoremoveaccumulateddirt,whichcouldleadto
overheatingorinsulationfailure.
Tightenallelectricalconnections,particularlyallpowerwiringto ,andin,theunit.
Inspectallvariabletransformerbrushesandcommutatorsforsignsofwearorpitting.Replaceas
required.Donotat tempttocleanacommutatorwithanabrasivesuchassandpaperorafile.Thiswill
ruinthesoftpreciousmetalplatingonthecommutatorandwillshortenthelifeoftheunit.Itis
normalforcommutatorstobecomeblackduetocarbonbrushtracking.Ifacommutatoristobe
cleaned,usedenaturedalcoholandasoftcloth.
- 11-
Inspectthevariabletransformerdrivebelts,sprockets,gears,cams,etc.forsignsofslippageorwear
andadjustasrequired.
Checkthevariabletransformerradiator(s)(thediecastpartthatholdsthebrushassembly)forsignsof
slippage,andseeifallbrushesdrivenbythesamemotorarealignedwitheachother.Thealignment
oftheradiatorandbrushesdependsonthesetscrewsthatholdthevariabletransformer centertube(s)
totheshaftandthesetscrewsthatholdtheradiatortothecentertube.Adjustandtightenasneeded.
LubricationoftheAVRisnotrequiredsinceithasbeenlubricatedatthefactoryforitslifetime.
10‐TroubleshootingGuide
IfanyerrorsoffaultsareobservedontheAVR,makesureyoucheckthefollowing
pointsbeforeinformingtheauthorizedtechnicalservice:
Doesthedistributionpanelhavemainsconnection?
Havetheprotectionfusesblownoff?
InformingtheauthorizedserviceabouttheAVR:
Informationfoundontheproductlabel(model,no)
Describetheproblemindetail.
11.Storage
Theunithastobestoredinadryplacebetween0~90.
- 12-
12.Technicalspecifications
InputCharacteristics
Capacity:
VoltageRange: 
Phases: 
FrequencyRange: 
Terminationterminalblock
20KVA
380Y/220Volt,+25%to‐25%at50Hzforregulation.
Threephases4wire,Wyeconnection(R,S,T,N,G)
4753Hzfor50Hzmodels+/3Hz
terminalboard
OutputCharacteristics
Voltage:
Phases:
VoltageRange:
FrequencyRange:
LoadRegulation:
HarmonicDistortion:
Efficiency:
Overload:
Waveform:
InsulationResistance:
Technology:
BypassSwitch
Cooling:
Termination
380Y/220Volt
Threephases4wire,Wyeconnection(U,V,W,N,G)
Regulatedto±1~2%ofnominalvoltagewithaninputvoltagerangeof+15
to–15%
50Hz,forevery1%
changeininputfrequencytheoutputvoltagewillchangeby
1%inthesamedirection.
5%,noloadtofullload
non
97%atfullload.
For1minutes100%,for30minutes125%,for60minutes100%.
Sinewave
5megaohmsfromwindingtocoremeasuredat500Vdc
Thistechniqueusesthecombinationof
amotordrivenvariabletransformerwith
buckboosttransformertechnology.
inputpowerdirectlytoload,bypassingthevoltageregulator.
fanassisted
terminalboard
Environmental
AudibleNoise:
AmbientTemperature:
OperatingAltitude:
OperatingHumidity:
HeatRejection:
Lessthan65dBAat1.5metre
to40°COperating,
10°to90
°CStorage
3,000metrewithoutderating
90%relative(noncondensing)
Atfullload,10%ofVAratingx3.41.
13‐Machineschematicview/outline
[Front view]
[Right side view]
[Isometric view]
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
Page 1
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
Lifting lugs
Fan
Variable transformer
Fan
Buck-boost transformer
Push botton
Control board
Enclose mounting holes
Main MCCB
Fuse holes
Magnetic contact
Bypass MCCB
MOV
Isoation transformer
Conduit entrance
Conduit entrance
Ventilator filter unit
Waterproof flat lift-and-turn latch
Input/Output teminal board
Page 2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
R S T N G
U
V W N G
INPUT OUTPUT
Page 3
Input/Output terminal board
Cable
Cable
Main MCCB On
Main MCCB Off
Bypass MCCB On
Bypass MCCB off
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
Main MCCB
Bypass MCCB
Page 4
OFF
ON
ON
OFF
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
B
Fuse
F1 F2 F3
Page 5
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
V PHASE W PHASEU PHASE
AVR control board
A
Output voltage adjust
Page 6
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
MOV
Page 7
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
Filter x3 PCS
Maingbod
Note : Clean the ventilator occasionally to maintainits normal function
Use a vacuum cleaner or compressed air to clean the filter
Page 8
Hole plug x4PCS
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OPTI-UPS SS20K33 User manual

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User manual

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