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UNIBLOCK UBT Rotary UPSNothing protects quite like Pillerpiller.com
UNIBLOCK UBT Piller headquarters, Osterode, GermanyAbout Pillerrequirement. The new Piller UNIBLOCK UBT Founded in Hamburg, Germany over 100 yearshome of Piller Research, Development and Man-family is exactly that kind of UPS, combining stateago by Anton Piller, the company has a longufacturing and a source of pride where all productsof the art machine technology and electronics tohistory in the manufacturing of exceptionally highcan be seen in manufacture, from raw materialdeliver outstanding reliability, efficiency, flexibilityquality electrical machines and power qualitythrough to finished goods. In 2016 Piller Powerand performance.equipment. Today, Piller is a world leader andSystems Inc., the US subsidiary of Piller Groupinnovator in a number of power protection tech-GmbH, acquired the business and assets of Activenologies, specialising in UPS systems for ‘missionPower Inc., a US kinetic energy storage specialist.critical’ applications and Frequency ConvertersPiller Group GmbH is a division of the UK basedfor Aircraft Ground Power amongst other uses.engineering and industrial group, Langley HoldingsFor the past 30 years, the company hasPLC. (www.langleyholdings.com).designed and manufactured static technologyproducts alongside their rotary counterparts,giving it a unique position in today’s powerprotection market.Introducing the UNIBLOCK UBT The UBT is unlike any other UPS. Consisting of aspecial combination of proprietary motor-generatorand choke, this UPS provides a very simple andhighly reliable uninterruptible power solution withexceptionally high efficiencies. The technologyPower around the clock, around the worldemployed provides an extremely robust, smallToday’s industrial world is changing and growingat a faster pace than at any other time in history.foot print, high power solution designed to giveover 20 years of dependable operation. The UBT This development depends heavily on moderncan be employed in both normal and harshPiller UPS systems are found in applicationscommunication infrastructure, energy efficientenvironments, with any type of load and for anywhere continuous high quality power is paramountsolutions and continuous quality power. Insuch as computer data centres, financialstriving to meet the demand and remainsingle system power up to 40MW. With theUNIBLOCK UBT , multiple system configurationsinstitutions, broadcasting, telecommunicationcompetitive, processes have become ever moreare readily possible. Paralleling is simple, modularnetworks, airports, healthcare facilities andautomated, communications more sophisticatedexpansion easy and there are unit power ratingscontinuous process production sites.and data transactions even faster. That means itfor even the biggest of installations.Piller Frequency Converters and related productsare widespread in both military and civil applicationsproviding 400Hz ground power systems toairports, ship-to-shore supplies in ports and on-2Since 1919, Osterode in Germany has been theis necessary for reliable, continuous, energyefficient power to be at the very heart of ourmodern global economy: Piller UPS systems aredesigned to fulfil that mandate.board power systems for both submarine andThe ideal UPS must be highly reliable, efficient,surface vessels.adaptable and able to cope comfortably with anyload profile, system configuration or ride-throughUBT can be configured for:n Long and short term bridging applicationsn Standby generation and Cogenerationn Containerised solutions
Mission critical powerPrinciple of OperationIn a Piller UBT , power is normally conditionedThe UNIBLOCK Motor-Generatormultiple power capacitors and bypass operationAt the heart of every Piller rotary UPS lies the pre-is not required for any aspect of the UPS function.through the coupling choke, with the motor-eminent UNIBLOCK synchronous motor-generatorElectric cooling fans are eliminated by using thegenerator (MG) continuously operating. The MGwith its unique low-distortion, high fault-clearingimpeller of the UNIBLOCK machine for theset, acting as a rotating transformer has fourcharacteristics. Inside the UNIBLOCK machine,system cooling. All of these factors combine toprimary functions: In normal operation, it serves tomotor and generator windings share a commonprovide a UPS which exhibits a level of reliabilityprovide a charging path for the ride-throughstator and a single brushless rotor provides athat cannot be matched by other technologies.source, which can be either batteries or ahighly compact double winding machine with specialPOWERBRIDGE kinetic energy store. It alsoelectrical characteristics. The combination of specialprovides reactive power to the load so that theelectric steel and combined stator windings givesPower Quality ImprovementThe UBT will compensate without disconnectionUPS input is at near unity power factor withoutrise to a machine with exceptional efficiency whilstfrom the supply for very low input voltages, includingthe need for unreliable power capacitors. Indelivering the sub-transient reactance requiredvoltage sags to 50% of nominal and can protectfact, power capacitors are eliminated from thefor low harmonic distortion and high fault clearingagainst brownouts to -30% without even using theUPS altogether.capacity. A damper cage is incorporated to reducestored energy. The unit easily handles 100% non-harmonics and the simple bearing design offerslinear loads as well as 100% step loads whilstIn emergency mode, the power flow instantlyhigh reliability and maintainability. The machine ismaintaining a stable output. Acting as a bi-directionalreverses through the MG set and the ride-throughmanufactured and balanced at the Piller factoryfilter inside the UPS, the choke eliminates thesource provides the active power to the load.to ensure extremely long service life. A furtherpassage of practically all harmonics between loadThe MG set continues to provide the reactivefeature is added by mounting the machine verticallyand source.power and now also becomes the sole source ofwhich dramatically reduces the footprint of the UPS.BypassCoupling ChokeExternalbatteryUNIBLOCK Motor GeneratorUBT with external battery ride-through.Bypasscurrent for load-side fault clearing, avoiding theneed for any reliance on bypass operation.System ReliabilityCoupling ChokeA design free of power capacitors eliminates theAll of this power flow management is handledhighest failure component generally found in otherthrough the coupling choke which in turn allowsUPS. The durable rotary machine technology isfor a very wide input voltage deviation whilstfar less sensitive to damage from overload andmaintaining narrow tolerances at the output.other electrical disturbances and uses no brushes,slip rings or complex bearing arrangements. Thepower electronics employ rugged semi-conductortechnology with no need for internal paralleling orPOWERBRIDGETMUNIBLOCK Motor GeneratorUBT with POWERBRIDGE kinetic energy store.3
UNIBLOCK UBT UNIBLOCK UBT features n Single machines sizes from 500kW upto 2700kWn Paralleling up to 40MWn Higher reliability than other technologiesn Highest efficiency, up to 97% with energystore connectedn Automatic redundancy powermanagementn Total design flexibilityn Medium and low voltage optionsn Battery or flywheel-backed versionsn 3 times longer bridging time from PillerPOWERBRIDGE n Fastest kinetic energy recharge time withPOWERBRIDGE n Wide leading and lagging load powerfactor without de-ratingn Inherent fault clearing ability fordownstream short circuitsn Virtual unity input power factorn 99% input/output harmonic isolationn Small footprint and high power densityn Simple maintenance requirements4Power Factor CorrectionPower factor correction is natural with the UBT .Simple MaintenanceNothing in the UBT design requires off-siteThe MG and choke combination compensatesoverhaul and the maintenance requirements arefor poor power factor loads so that the utility seesless than most alternative topologies, havingnear unity across all load levels. That means noelectricity tariff penalties need apply, no powerno power capacitors or electric fans to bechanged. Life expectancy of the UBT easilyfactor correction units are needed and anyexceeds 20 years.standby generators can be sized like-for-like withthe UPS.Fault HandlingThe UBT is inherently capable of clearing shortcircuit faults by virtue of extremely low subtransient reactance that approximates towardsSystem fannormal supply transformer impedances. ThisThrust bearingmeans that the fault-clearing current can begenerated internally by the UPS without thepresence of a utility or even a standby-generatorsource. This capability represents a stepimprovement in fault tolerance of the powersystem when compared for example, with anystatic UPS solution.Brushless excitationMotor and generatorwinding in a common statorCommon rotor withdamper windingVertical machine withminimum footprintPony motorUnloaded guide bearing
Unparalleled reliabilityPOWERBRIDGE Advantages and Benefitsn Floor Space Up to 90% can be savedwhen compared to batteriesn Temperature range A wideenvironmental specification means thatair conditioning is not requiredn Maintenance efforts Bearings aregreased automatically from a reservoirn Life time 20 yearsn Reliability A simple electrical machinewith known energy contentn Safety and environment The unitoperates in an inert environment andthere are no special handlingrequirementsn Energy POWERBRIDGE is capable ofstoring more energy than any otherkinetic storage system for UPSapplicationsPOWERBRIDGE OptionThe POWERBRIDGE works by storing energy inPiller offers a kinetic energy storage option whicha flywheel whose shaft is common with the rotorgives the designer the chance to save spaceof a synchronous generator. When stored energyand maximise power density per unit. With ais needed, it is discharged though the generatorPOWERBRIDGE , stored energy levels areinto a converter stage that ensures a stablecertain and there is no environmental disposalfrequency and voltage into the UNIBLOCK issue to manage in the future. Importantly, amotor-generator. Recharge works similarly in thewill absorb energy at theopposite direction. The efficiency is made extremelysame rate as it can dissipate. That means thehigh by employing magnetic-lift bearing technologyPOWERBRIDGE can stabilise a diesel engineto significantly reduce forces on the mainand that frequency stability under dynamic loadbearings. This also serves to extend the bearingconditions cannot be matched by any otherlife to many years of continuous operation.POWERBRIDGE kinetic storage solution. A vertically mountedflywheel and generator utilising magnetic bearingtechnology, the POWERBRIDGE is available ina number of sizes for different power ratings andride-through autonomy.Top bearingt(s)Brushless excitation200Main machine150Flywheel100Bottom bearing5001001,0003,000Power kWPOWERBRIDGE Ride-through energy.5
UNIBLOCK UBT options UNIBLOCK UBT Water-Cooled OptionThe UBT is typically naturally cooled by usingaggressive environments or in areas where quietthe UNIBLOCK impeller to duct the warm airexternal forced cooling, complex plant roomstraight to the outside world. When site restrictionsairflow studies can be eliminated, space can bemake this impossible, other cooling methodssaved and maintenance routines simplified.must be employed and the plant room caneither be force-cooled or alternatively, the UBT can be provided with its own heat exchangerUNIBLOCK UBT ContainerisedThe Piller UNIBLOCK UBT UPS can bedirectly connected to the building’s chilled watersupply. In this configuration, each UBT unitinstalled in a plant room or supplied complete fromnow has a closed air cooling circuit that passesvia a heat exchanger cabinet integrated at thenecessary for operation are integrated into thecontainer making the Piller UNIBLOCK UBT aend of the UPS. An integrated cooling unittransportable UPS system ready to set to work inprovides the UPS with its own climate. Hence,a variety of locations or when a project programmethe UPS can then be operated in small rooms, inbetter suits off-site construction.Water-cooled benefits:n Higher efficiency in the plant roomn Capable of operation in harshenvironmentsn Reduced investment costsn Lower operating costsn One service partnern Smaller space requirementn Extremely quiet operation6operation is required. Without the need forthe factory as a containerised unit. All componentsContainerised benefits:n Operating readiness immediately onconnecting to the mainsn No structural measures for noiseattenuation, ventilation or cablingn Minimal expenditure for on-site testingand commissioningn No outlay on complex installation or plantroom constructionn Temporary use in different locations oruse in modular expansionn Reduced on site programmes
Unequalled efficiencyCross section of water-cooled unitA: The enclosed air circuit is operated by aninternal fan impeller incorporated in therotor of the UNIBLOCK B: The UNIBLOCK UBT with built-inwater cooling is connected to the chilledwater circuit of the buildingHighest EfficiencyThe losses of any UPS have a direct effect on theAutomated Power ManagementWith the UNIBLOCK UBT the number of activeelectricity consumption within a building but asunits in a parallel system can be automaticallythese losses rise, the cost of associated coolingadjusted to suit the load. When this feature ismeasures rise, too. Therefore, a UPS with very lowactivated, the number of running units is automaticallylosses that can also be naturally cooled, offers theoptimised to the prevailing load level whilstbest operating economics under all circumstances.maintaining the redundancy level required. ThisWith an efficiency of up to 97% at full load,means that when load levels are below designremaining very high even at partial loads, theUBT sets new standards in the UPS sector.capacity, the load on each active unit can beExample:In a 2MW Data Centre with an installed UPScapacity of 5 x 500kW (N 1 redundancy),and an actual load of 900kW the savings are:n 2 of 5 units stopped by load controln UPS load for remaining units increasedfrom 36 % to 60 %n Efficiency improved from 94.6 %to 96.2 %n Losses reduced by 140,000kWh per yearn Yearly emission of 83t CO2 avoidedincreased resulting in an increase in efficiency ofthe system as a whole. The intelligence of thepower management system is such that operatinghours for all units are levelled over time ensuringthat the same units are not permanently idle inAprolonged low-load situations.Air flowUBT improves efficiency in all configurations.ISOLATED PARALLELOperating Efficiency %SYSTEM SYSTEMPARALLEL ing % of installed capacityBUNIBLOCK UBT Modern Static UPS7
UNIBLOCK UBT configurations The UNIBLOCK UBT The UNIBLOCK UBT is a self-contained UPSvast majority of outages regardless of the ridethrough option and using batteries provides asized independently of the UPS to optimise thethat can be operated independently. By itself, theUBT will provide UPS power according to batterymechanism whereby complete utility failure up toscheme assets. The advantages of this configuration30 minutes is easily managed.over static UPS and generator systems include:swings, riding through brown-outs and frequencyThe UBT with Standby Generationthe reliability, load handling and stabilisationbenefits of UBT rotary UPS; a choice of ride-dips, correcting power factor and suppressingthrough without technical compromise; easyharmonics. Research shows that, in most utilityWhen ride-through energy alone is not sufficient,the UBT can readily be integrated into a systemsupplies, mains disturbances lasting more thanwith separate standby generators to give longand preferential whole life costs. When comparedinput of the UPS. The generators may also beor POWERBRIDGE autonomy, stabilising voltageAny configuration is easily realised:n Hot standby redundantn Parallel powern Parallel redundantn Isolated redundantn Isolated paralleln System system redundantn Common or individual bypassimplementation either at low or medium voltages10ms occur almost daily, jeopardising or substantiallyterm ride-through. Configured as such, the standbywith mechanically coupled diesel UPS systems,disrupting the operation of electrical equipment.generators are isolated from load steps by theadvantages include the ability to maintain theIn a typical overhead grid system, over 60% of allstabilisation characteristics of the UPS. Thegenerators can be physically remote to the UBT standby generator without compromising themains failures last more than 100 ms and yet onlyUPS system, the option to feed the load directlysome 2% continue for more than a few seconds.and if desirable, in different voltage elements offrom the generators, isolation of critical fromThe unique design of the Piller UNIBLOCK UBT the system. They can also be installed eitheressential (mechanical) loads and increased flexibilitygives sufficient ride-through capability for theelectrically connected at the output or at thefor system expansion or configuration.BypassBypassCoupling ChokeCoupling ChokePOWERBRIDGE POWERBRIDGE UTILITYUTILITYCRITICAL LOADCRITICAL LOADALTERNATIVEBATTERYALTERNATIVEUNIBLOCK BATTERYDIESEL GENERATOR8UNIBLOCK UBT in standard configuration.UNIBLOCK DIESEL GENERATORUNIBLOCK UBT with alternative standby generation options.
Innovation for your benefitThe UBT with Co-GenerationCo-generation plants are designed to make usecan be eliminated by the stabilisation characteristicsof the UBT whilst transfer to utility can be achievedconfigurations offering outstanding maintainabilityeither upstream or downstream and integrated inthe control system of a UNIBLOCK UBT Rotaryof both the electrical energy generated and theseamlessly using the ride-through properties.and unique fault tolerance characteristics in dataUPS to build a powerful and multifunctional system.centre applications where high operationalThis integration allows the use of external dieselefficiencies are critical and minimising spacegenerators in more complex designs, like IP-heat by-product. Such systems, by themselves,isolated-redundant and parallel-redundant UPShave the advantage of much improved overallThe UBT in the Isolated Parallel (IP)efficiency but they tend to have extremely poordynamic behaviour. The UBT can be used toSystem Configurationrequirement and maximising return on capital areSystems, whilst providing the many advantagesThe UNIBLOCK UBT is available for highof the highest priority. By reducing the redundantarising from the physical separation of the UPSprovide a link between the co-generation plantpower applications with unit sizes ranging fromUPS units to a minimum and avoiding systemsand generator particularly with respect to greaterand the utility such that UPS power quality is500kW to 2700kW. In medium voltage systems,which run in the standby mode the IP system isfreedom in choice of engine size or manufacturermaintained both in utility operation and in islandunits can be paralleled to 40MW, with individualan excellent choice for optimising the combinationand to improve resilience during maintenance.mode. Excess power from the co-generation (oror common coupling chokes. At low voltages,of redundancy, resilience and cost.base generation) plant can be exported to thesimple paralleling is limited to about 5MW bututility (subject to local regulations) with the safeknowledge that the UBT will isolate any effectsthere are configurations using fault isolatedThe UBT in the DeRUPS Configurationconfiguration optimises efficiency, maintainabilityparallel techniques that allow this to be increasedUnique to Piller is the DeRUPS solution, anand flexibility whilst using the benefits of flywheelarising from utility failure. Load supply instabilityto up to 20MW. The isolated-parallel systemalternative to the more conventional DRUPS offeringenergy storage to guarantee seamless operationimmediately after the loss of a co-generation unituniquely enables the advantages of combiningwhere a diesel generator is combined with UPSbetween the generator and UPS unit.As a totally integrated system, the DeRUPS NO-BREAK LOADIP- BUSUNIBLOCK UBT SHORT-BREAK LOADDIESEL GENERATORDeRUPS BEST TOTALCOST OFOWNERSHIPPOWERBRIDGE IP-Bus System with external generatorsdownstream from the UNIBLOCK UBT .CONFIGURATIONMAINSDeRUPS is a multifunctional system. E.g. enginestarts secured by energy from POWERBRIDGE .9
Total Cost of OwnershipOwning and operating a data centre or large scaleof the capital expense, the electrical operatingindustrial process plant is an expensive business;costs, the routine maintenance and the periodicthe cost of real estate and energy may heavilyoverhaul or replacement. It is also dependent uponinfluence the final design and the location of thethe required surrounding infrastructure includingfacility. Add to that the pressures of designing anbuilding space, running costs and capital costsenvironmentally friendly solution and the restrictionsfor switchgear, transformers, cabling, power factorbecome even greater. First and foremost, a UPScorrection and cooling. In most TCO calculations,must be reliable and secondly, it should deliver anthe dominant factor is the electrical running costsoptimised total cost of ownership (or TCO) overof the entire system and not the capital costs orits useful life. The TCO for a UPS is a combinationthe 0002,0001,0000Static System RedundantDay 1Investment k 10Cost of ElectricalLosses k UBT System RedundantCost of Maintenance/Overhaul k Relative TCO comparison between static and UBT Rotary UPS solutions.A TCO analysis incorporating theUNIBLOCK UBT system comparesfavourably with other solutions becauseof the combination of its characteristics:n High electrical efficiencyn Natural cooling capabilityn Simple maintenance regimen Small footprintn Long service lifen Complete flexibility of scheme designn System system redundantn Common or individual bypass
Taking care of your investmentAfter Sales ServiceEmergency Response ServiceConsultation and Other ServicesPiller believes that manufacturing a first classSometimes, support and expertise is neededEver changing demands in business can lead toproduct with inherent high reliability is simply notwhen you least expect it. For those times, youthe need for alteration, expansion or redeploymentenough. A UPS system must protect the client’sneed reassurance that help will be available inof a UPS system. Through Technical Supportinterests just as well on its last day as it does onthe shortest possible time. The Piller serviceteams Piller can evaluate the requirements andthe first. The company prides itself in offering acentres are strategically positioned in relation toadvise on the necessary changes. They can alsoworldwide network in the professional care of ourthe installed base in order to provide both themanage the delivery of these changes andclients’ investment in Piller UPS through a team ofbest possible response time and local knowledgeconsult with you and your partners to ensure thehighly trained and internationally coordinatedof the client’s installation. Piller offers 24 hourminimum of disruption.technicians. At any moment, Piller techniciansemergency response and has technicians onare taking care of over 9000 units of high powerstandby for immediate dispatch at every one ofUPS equipment in over 40 countries, supportingour s ervice centre locations.clients’ activities in data processing, banking andfinance, industry, communications, aviation ordefence, 24 hours a day, 365 days a year.Preventative Maintenance ServiceSecurity of supply to the critical equipment ismaintained by conducting correctly carried outperiodic preventative maintenance. Preventativemaintenance also minimises malfunctions andextends the life of the UPS system to 20 yearsor more.nnnnnReplacement Battery SystemsReconfiguration and redeploymentUpgradesRemote Monitoring SystemsSite surveysOperator TrainingAll newly installed systems will involve a degree ofoperator training conducted either at site or inParts Availabilityone of our training centres. Piller offer furtherPiller preventative maintenance and emergencytraining by way of refresher courses and for newresponse services are fully supported by aemployees ensuring that client staff continue tonetwork of stocked parts held both at the servicehave the skills necessary to operate the UPScentres and elsewhere in strategic locationssystem with the minimum of risk.around the world.11
HEADQUARTERSPiller Group GmbHAbgunst 2437520 OsterodeGermanyTel: 49 5522 311 0E: info@piller.comROTARY UPS SYSTEMSHYBRID ROTARY UPS SYSTEMSDIESEL ROTARY UPS SYSTEMSSTATIC UPS SYSTEMSCONTAINERISED UPSSTABILISERSSTATIC TRANSFER SWITCHESKINETIC ENERGY STORAGEAIRCRAFT GROUND POWER SYSTEMSFREQUENCY CONVERTERSNAVAL POWER SUPPLIESSYSTEM INTEGRATIONSubsidiaries:AUSTRALIA CHINA FRANCE GERMANY INDIA ITALY SINGAPORE SPAIN UK USASales & Service:AUSTRIA BRAZIL CANADA HONG KONG NETHERLANDS MEXICO RUSSIA SOUTH KOREA SWEDEN TAIWAN USAAgents & Distributors:ALGERIA BAHRAIN BELGIUM BRAZIL CHILE CHINA EGYPT HONG KONG INDONESIA IRAN JAPAN MALAYSIA NIGERIA NORWAY POLAND ROMANIA RUSSIA SLOVENIA SOUTH KOREA SUDAN TAIWAN THAILAND TURKEY UAE USA VIETNAMNothing protects quite like Pillerpiller.comPiller UBT (GB) 01 2019/Issue 5. Due to a policy of continued improvement, we reserve the right to change any specification without prior notice.ERRORS & OMISSIONS EXCEPTED. Printed on a Manroland R700 press.
Piller product reliability and efficiency is built on precision German engineering, manufacturing excellence and unrivalled best in class service. Piller people are among the world's most highly trained power technology experts. In 2020 it has expanded its portfolio to include the electrically coupled UB-V UPS with no annual maintenance .
