BUILDINGTECHNOLOGIESPROGRAMJune18,2014ASRACPumpsWorkingGroupMeetingPEIMetric&TestProcedure2PEICalculatorSubstantive:•Updateminimallycompliantmotorefficiencytablesfrom10CFR431.25toreflectnewlypublishedDOEmotorstandards•Addminimumefficiencytableforsubmersiblemotors•UpdateC‐Values–basedonaggregatedHIandDOEdata–revisedforRS‐V•UpdateC‐ValuestoreflectmorePEIlevelsbetweenPEI10andPEI40–suggest10,15,20,25,30,35,and40anddropC‐Valueshigherthan40•Implementtabstoentertestedwire‐to‐waterinputpowerdataandcalculatePEI•Implementnewmotorlosscurveequation(slightlydifferentcoefficientsbasedonconservativeassumption)–newNEMAdataEditorial•ChangenomenclaturetoPEIforIndexandPERfornumeratorordenominatorvalue(consistentwithNomenclatureBoptionpresentedattheMay28‐29RegNeg meeting)•Increasenumberofrowsoneachtabtoahighernumber(2000?)3BEPFlowRateDetermination–InaccordancewithHI40.6,sweepthroughatleastsevenflowpointsfromshutofftomaximumflowrate•HI40.6requirespointsofapproximately40,60,75,90,100,110,and120%oftheflowrateattheexpectedBEPofthepump(iftheactualBEPrateofflowisdisplacedbymorethan5%oftheexpectedvalue,thenthetestmustberepeated).•Recordflowrate,pumphead,torqueandspeedateachpoint•Calculateefficiencyateachofthepoints–BEPisdeterminedbyfindingmaximumofbestfitcurveofefficiencyvsflowrate%ofBEPflowFlowRate(GPM) Head(ft)Speed(RPM)Torque(lb‐in)HydraulicPower(hp)Shaftinputpower(hp)η(%)η[bestfit](%)128 1200.59 141.51 1774.10 1977.14 41.76 55.65 75.04 74.42108 1012.80 157.91 1774.63 1782.87 39.31 50.20 78.31 77.57100 939.62 162.58 1774.80 1721.36 37.55 48.47 77.47 77.8691 851.24 169.44 1775.86 1613.80 35.46 45.47 77.97 77.6576 709.87 178.40 1775.85 1458.85 31.13 41.11 75.73 75.9658 547.19 186.61 1777.84 1251.15 25.10 35.29 71.12 71.2248 449.06 189.67 1778.80 1112.42 20.94 31.40 66.69 66.184PumpCurveExample– DeterminingBEPBestEfficiencyPoint25% 50% 75%100% 110%Percent of BEP Flow5DeterminingBareShaftPumpInputPower–AfterdeterminingBEPflow,partloadpowerisdeterminedthroughlinearregressionofpumpshaftinputpowervsflowrateforalldatapointsabove50%ofBEPflow•Atverylowpartload,pumpshaftinputpowervsflowratecurveloseslinearity•Usingbestfitlinearregression,obtainpumpshaftinputpowerforloadpoints(QBEP,Q75%,Q110%)y=0.031x+18.805R2=0.996801020304050600 500 1000 1500

Pump shaft input power (hp)Flowrate(GPM)Above50%BEPflowBelow50%BEPflow%ofBEPflowFlowRate(GPM)Shaftinputpower(hp)100 94047.9875 70540.69110 103450.89–Insteadcouldlinearlyinterpolatebetweenpointstodetermineshaftinputpoweratpartloadpoints–Couldalsoestablishtoleranceforwhichinterpolationisallowed6PumpCurveExample– DeterminingBareShaftInputPowerHydraulicOutputPowerBestEfficiencyPoint25% 50% 75%100% 110% 120%Percent of BEP FlowBare PumpBrakeHorsepowerUsed forMotorSizingONLY7PERTestProcedureOptionsPumpConfigurationBare Pump*BarePump+Motor BarePump+Motor+Controls

Test Procedure OptionsTestedBarePump+CalculationsTestedbarepumpperformance +DOEminimumefficiencymotorwithassumedpartloadlossesTested barepumpperformance+manufacturermotorwithassumedpartloadlossesTestedbarepumpperformance+manufacturermotorwithassumedpartloadlossesTestedPumpwithManufacturerMotorN/ATested performanceofbarepumpwithmanufacturermotor(wiretowater)Tested performanceofbarepumpwithmanufacturermotor(wiretowater)TestedPumpwith MotorandControlsN/A N/ATested performanceofbarepumpwithmanufacturermotorandcontrols(followsystemcurve)

PumpMotor PumpMotorControl Pump*Pumpssoldwithnon‐electricdrivescouldberatedasbarepumps8×standardizedmotorefficiencyanddefaultpartloadcurveMOTORpumpperformancedatafrompumptestatratedspeedDeterminingBarePumpPERCL×standardizedcontrolsperformance=1Controls•Pivaluesarethelinearly‐fitshaftinputpowertothepump(speedxtorque)ateachloadpointi•i=75%,100%,and110%offlowrateatBEPofthepump•Equalweighting•StandardizedMotorPerformance•EnclosedmotorthatisminimallycompliantwithDOE’smotorregulations(10CFR431.25)forgeneralpurposemotors(subtypeI)forallpumpsexceptESCCandgeneralpurposemotors(subtypeII)forESCCpumps•HPusedwillbenextHPabovebrakehorsepowerat120%ofBEPHP•Poleswillbebasedonspeedatwhichpumpisbeingrated•StandardizedControlsPerformance•Driveefficiency=100%(sincenodrive)9•DeterminebareshaftinputpoweratQ75%,Q100%andQ110%ofBEPflowrates:ࡾࡱࡼࡸ࡯ൌ࣓૞ૠ.૙ࡼ૞ૠ.૙ࡸ ൅૞ૠ.૙࣓ ൅ࡼࡱ࡮ࡼࡼࡱ࡮ࡸ ൅ࡼࡱ࡮࣓ ൅૚.૚ࡼ૚.૚ࡸ ൅૚.૚DeterminingBarePumpPerformanceLoad Point Flowrate[GPM] Pumpbrakehp[HP]Q110%1034 50.89Q100%940 47.98Q75%705 40.69ࡾࡱࡼࡸ࡯ൌ૚૜ൗൈ૝૙. ૟ૢ࢖ࢎ ൅ ࡸ૙.ૠ૞൅૚૜ൗൈ૝ૠ. ૡૢ࢖ࢎ ൅ 

ࡸࡼࡱ࡮൅૚૜ൗൈ૞૙. ૡૢ࢖ࢎ ൅ ࡸ૚.૚10DeterminingPartLoadMotorLossesThefractionalmotorlossesateachloadpointi(Li)arecalculatedastheratedfullloadmotorlosses(Lrated)multipliedbythepart‐loadlossfactor(yi),whichiscalculatedasacubicpolynomial*oftheloadfractiononthemotor(xi):ܮ௜ൌ ܮ௔௥௧௘ௗ∗ ݕ݅ ൌ ܮ௔௥௧௘ௗ∗ܽ∗ݔ௜ଷ൅ܾ∗ݔ௜ଶ൅ܿ∗ݔ௜൅ ݀ൌ ܮ௔௥௧௘ௗ∗ܽ ∗ܲ௜݁ݖܵ݅ݎ݋ݐ݋ܯଷ൅ܾ∗ܲ௜݁ݖܵ݅ݎ݋ݐ݋ܯଶ൅ܿ∗ܲ௜݁ݖܵ݅ݎ݋ݐ݋ܯ݀ ൅Where:•Li=thefractionalloadlossofthemotoratloadpointi(hp);•Lrated=theratedfullloadmotorlossesasdeterminedinaccordancewiththeDOEtestprocedureformotorsat10CFR431subpartB(hp);•yi=thepart‐loadlossfactor;•xi=theloadfractionforthemotorateachloadpointi;•Pi=theshaftinputpowertothebareshaftpump(hp);•MotorSize =thenominalratedoutputpowerofthemotor(hp);and•i=Percentageofflowatthebestefficiencypoint(BEP)ofthepump.*Adifferentcubicpolynomial(i.e.differenta,b,c,anddcoefficients)couldbeassumedbasedontherotatingspeed(2‐polevs.4‐pole)andmotordesign(e.g.ODPvs.TEFC)orasinglecurveshouldbeassumedforallmotors11CubicPolynomialCoefficientConservative݂(ݔ(OldMotorChallengeDataa‐0.01180.1921b0.35150.1736c0.05990.2020d0.60040.4323MotorLossCurve– Example(ODPMotor3600RPM)y=‐0.0118x3+0.3515x2+0.0599x+0.6004R2=100.10.20.30.40.50.60.70.80.910 0.2 0.4 0.6 0.8 1

fractional load lossfractionalloadpowermaximumvaluesconservativevaluesoldcurve12MotorEfficiencyforNon‐CoveredMotors•PERmaxrequiresaminimallycompliantpump/motor–MinimummotorefficiencyneedstobedeterminedandlistedintestprocedurefordeterminationofPEI–Thisisapplicablefor:•Submersiblepumps•Otherpumps?•Togeneratenon‐coveredmotorefficiencytables:–Surveyindustryliteraturetodetermineavailablemotorefficienciesineachhp bin–Selectlowestefficiencyavailableineachhp binasminimumefficiencytobeusedasdefaultmotorefficiency•Couldalsoapplyascalingfactortoensurevalueisaminimum13AccountingforMotorLosses•Calculatethefractionalloadlossateachflowpointusing:ܮ௜ൌ ܮ௙௨௟௟,௥௔௧௘ௗ∗ ݕ௜–WhereLiisthefractionalloadlossateachflowpointinhp,Lfull,ratedisthefullloadlossesdeterminedinaccordancewith10CFR431.25(subpartB)inhp,andyiisthepartloadlossfactorforeachflowpoint•Calculatethefractionalinputpowerasfollows:ܲ௜௡௜ൌ ܲ௜൅ ܮ௜–WherePiisthebareshaftinputpowerinhp andthefractionalloadlossateachflowpoint,Lfull,ratedisthefullloadlossesdeterminedinaccordancewith10CFR431.25(subpartB)–Calculatefractionalinputpowerasfollows:Piin=Pi+Li%BEPflowBare pumpshaftinputpower (hp)Loadfraction(xi)Partloadlossfactor(yi)Fractionalloadloss(hp)Fractionalinputpower(hp)110 50.89 0.85 0.84 3.45 54.35100 47.98 0.80 0.80 3.27 51.2575 40.69 0.68 0.692.8443.5314DeterminingBarePumpPerformance‐Calculations•CalculatePERCLbyweightingeachoftheinputpowervaluesasfollows:•PERCLisbasedonmotorefficiencyof93.6%,obtainedfromDOEmotorregulation(10CFR431.25)•ThencalculatePEICLasaratioofthepumpPERCLandthePERStdforaminimallycompliantpump:ࡾࡱࡼࡸ࡯ൌ૚૜൅ ࢖ࢎ	૜૞ .૜૝૚૜൅ ࢖ࢎ	૞૛ .૚૞૚૜࢖ࢎ	૞૜ .૝૞ࡾࡱࡼࡸ࡯࢖ࢎ	૚ૠ ૢ. ૝ൌࡵࡱࡼࡸ࡯ൌܴܧܲ௅஼ܴܧܲௌ௧ௗൌ݌49.71݄ܴܧܲௌ௧ௗ15×manufacturermotorefficiencyatfullandpartloadMOTORBarePump+MotorTestProcedureManufacturercanpairitspumpdatawithmanufacturermotordata.pumpperformancedatafrompumptestatratedspeedstandardizedcontrolsperformance=1Controls×MOTORPUMPManufacturercanmeasurepowerofpump+motorcombo.standardizedcontrolsperformance=1Controls×pump+motor performancedataAB16DeterminingBarePump+MotorPERCL•CalculatePERusingthesamemethodasforthebareshaftpumpexcept:–IncorporatetheratedmotorefficiencyratherthanDOEminimumefficiency•Pivaluesarethetestedshaftinputpowertothepump(speedxtorque)ateachloadpointi–i=75%,100%,and110%offlowrateatBEPofthepump–Equalweighting•ManufacturerMotorPerformance–Lratedisthefullloadlossesofamotorthatispairedwiththepump•StandardizedControlsPerformance–Driveefficiency=100%(sincenodrive)ࡾࡱࡼࡸ࡯ൌ࣓૞ૠ.૙ࡼ૞ૠ.૙ࡸ ൅૞ૠ.૙࣓ ൅ࡼࡱ࡮ࡼࡼࡱ࡮ࡸ ൅ࡼࡱ࡮࣓ ൅૚.૚ࡼ૚.૚ࡸ ൅૚.૚ࡾࡱࡼࡸ࡯ൌ૚૜ൗൈ૝૙. ૟ૢ࢖ࢎ ൅ ࡸ૙.ૠ૞൅૚૜ൗൈ૝ૠ. ૡૢ࢖ࢎ ൅ 

ࡸࡼࡱ࡮൅૚૜ൗൈ૞૙. ૡૢ࢖ࢎ ൅ ࡸ૚.૚17DeterminingBarePump+MotorPerformance–CalculationMethod•Assume60hp motorwithηmotor,meas=95%(Lfull,rated=3.16hp)andothervaluesasbefore:•ThencalculatePEICLasaratioofthepumpPERCLandthePERmaxforaminimallycompliantpump:ࡾࡱࡼࡸ࡯ൌ૚૜൅ ࢖ࢎ	૝ૢ .૛૝૚૜൅ ࢖ࢎ	૞૞ .૙૞૚૜࢖ࢎ	૙૟ .૜૞࢖ࢎ	૜૙ ૢ.૝ ൌ ࡾࡱࡼ%BEPflowBare pumpshaftinputpower (hp)Loadfraction(xi)Partloadlossfactor(yi)Fractionalloadloss(hp)Fractionalinputpower(hp)110 50.89 0.85 0.84 2.6653.55100 47.98 0.80 0.80 2.51 50.4975 40.69 0.68 0.692.1842.88ࡵࡱࡼࡸ࡯ൌܴܧܲ௅஼ܴܧܲ௫௠௔ൌ݌49.03݄ܴܧܲ௫௠௔18AccountingforMotorLosses•TheproposedPERCL,PERVL,andPERmaxcalculationsrequireassumptionsregardinghowmotorsperformatpartload•OptionstoaddressmotorefficiencyinthePERcalculationsinclude:*Conservative=willresultinahigherPERforcalculationmethod,ascomparedtotestingOption Accuracy Simplicity Burden Conservative*UseonlyfullloadefficiencyLow High Low YesUsefull loadlossesanddefaultlosscurvesMedium Medium Medium YesUsemeasuredpartloadefficienciesHigh HighHigh – requirespartloadmotortestprocedure(IEEE112Bforpumpswithmotorsand/orCSAC‐838forpumpswithmotorsandcontrols),couldconsiderAEDMNoPrimary19BControlsMOTORPUMPBarePump+Motor+ControlsTestProcedureManufacturercanmeasurepowerofpump+motor+controlscombo.×manufacturerordefaultmotorefficiencyAMOTORManufacturercanpairitspumpdatawithmanufacturermotordataanddefaultfactorforcontrols.pumpperformancedatafrompumptestatratedspeeddefaultcontrolsperformanceControls×20DeterminingBarePump+Motor+ControlsPERVL•PumpPerformance–Pivaluesarethetestedshaftinputpowertothepump(speedxtorque)ateachloadpointi•i =25%,50%,75%,and100%offlowrateatBEPofthepump•100%ofBEPflowisonlytestedpoint•Equalweighting•MotorPerformance(Losses)–Lratedisthefullloadlossesofamotorthatispairedwiththepumpforpumpssoldwithmotorsanduniquepartloadlosscurves•ControlsPerformance–Benefitiscapturedincalculationofbareshaftinputpower–DriveefficiencybasedonNEMAandHIprovideddatawithassumedpartloadcurveܲܧܴ௅௏ൌ ߱.ଶହܲ௜௡.ଶହ൅ ߱.ହ଴ܲ௜௡.ହ଴൅ ߱଴.଻ହܲ௜௡଴.଻ହ൅ ߱஻ா௉ܲ௜௡஻ா௉ൌ14ܲ.ଶହ൅ ܮ.ଶହ൅14ܲ.ହ଴൅ ܮ.ହ଴൅14ܲ଴.଻ହ൅ ܮ଴.଻ହ൅14ܲ஻ா௉൅ ܮ஻ா௉WherePi,Liotherthan100%BEPareobtainedfromcontrolloadcurve210501001502002503003500 200 400 600 800 1000 1200 1400

Head (ft)flowrate(GPM)OriginalVFDloadprofileNewVFDLoadProfileExamplePumpCurveBestEfficiencyPoint20%ofBEPHeadRealized potential savingsUnrealized savingsControlLoadCurve•Proposed:loadprofilewithastaticoffset–Headwithflowisoffset:ܪ ൌ ߙܳଶ൅ ܪௌ௧௔௧௜௖–Assume:staticoffsetis20%ofBEPhead(otheroffsetscouldbeconsidered)–GivenQBEPandHBEP,thesystemcurvebecomes:•ܪ ൌ 0.8ுಳಶುொಳಶುమܳଶ൅ 0.2ܪ஻ா௉•ThiscurvepassesthroughbothBEPandthepumpheadinterceptat20%ofHBEP22Controlfactor:VFD‐Calculations•Theflowatinputpowertothebarepumpareavailablefromthetestedpumpperformance:•Usingthecontrolcurve,thebarepumpshaftinputpowerat75%ofBEPflow(660GPM)is:•Appliedtoallratingpointsyieldsthefollowing:ࡼࡼࡱ࡮ࡽ															;ܘܐ	ૡૢ .ૠ ૝ൌࡼࡱ࡮ࡹࡼࡳ	૙૝ૢ ൌࡼ૚ࡼ࢖ࢋ࢈ൌૡ . ૙ࡽࡽ࢖ࢋ࢈૛૛ .૙ ൅ࡽࡽ࢖ࢋ࢈ࡼ૞ૠ.૙૝ૠ. ૢૡ	࢖ࢎൌ૙. ૡࡹࡼࡳ	૞૙ૠࡹࡼࡳ	૙૝ૢ૛൅ ૙. ૛ࡹࡼࡳ	૞૙ૠࡹࡼࡳ	૙૝ૢࡼ૙.ૠ૞ൌ ૝ૠ. ૢૡ	࢖ࢎ૙ . ૡ. ૠ૞૛൅ ૙. ૛ . ૠ૞ ൌ ૛૜. ૜ૢ	࢖ࢎLoad Point Flow (GPM) Bare pumpinputpower(hp)QBEP940 47.98Q75%705 23.39Q50%470 9.60Q25%235 3.0023Controlfactor:VFD‐Calculations•Assumingthemotorisa95%efficientmotor(asbefore)andthedriveis96%efficient,thecontrolledPER(PERVL)isthen:•Thisassumesmotoranddriveefficiencyarecombinedtoobtainpartloadlosses.Couldalso:–Applycontrolsefficiencydirectly(noaccountofpartloadperformance)or–Applyseparatepartloadloss/efficiencycurveforcontrols•ThencalculatePEIVLasaratioofthepumpPERVLandthePERmaxforaminimallycompliantpump:ࡾࡱࡼࡸࢂൌ૞૛ .૙૞૛ .૙ ൅ 	࢖ࢎ	૝૛ .૞૞૛ .૙ ൅ ࢖ࢎ	૚૙ .૛૚૛૞ 

. ൅ ૙࢖ࢎ	ૢ૜ .૜૛࢖ࢎ	ૡ ૟. 

૞૛ࡾࡱࡼࢉ࢖ࢎ	૜૜ .૜૛ ൌࡵࡱࡼࡸࢂൌܴܧܲ௅௏ܴܧܲ௫௠௔ൌ݌23.33݄ܴܧܲ௫௠௔24PERCalculationComparisonSummary•PERaccountsforsavingsfromcontrolandfrommoreefficientmotorEquipmentConfiguration PERBarePump 49.78Pump+95%Eff.Motor 49.03Pump+Motor+VSD 23.3325BarePump+Motor– TestMethod•Referredtoas“stringtest”inHI14.6–Testsimilartobareshafttestprocedure,exceptmotorinputpower(Pin,i)ismeasureddirectly•Ifmotorefficiencychangessignificantlyfromratedvalue,testedPERwillvaryfromcalculatedvalueMOTORPUMPManufacturercanmeasurepowerofpump+motorcombo.standardizedcontrolsperformanceControls×Pump+motor performancedatafrompumptestatratedspeedൌ ࡾࡱࡼ࣓૞ૠ.૙ࡼ૞ૠ.૙,࢔࢏࣓ ൅ࡼࡱ࡮ࡼࡼࡱ࡮,࢔࢏࣓ ൅૚.૚ࡼ૚.૚,࢔࢏26Stringtestdata(forpump+motor)•InputelectricalpowerwasmeasuredfortheexamplepumpusedforthecalculationofPERinearlierexamplesLoad Point Flow (GPM) Stringtestinputpower(hp)Q110%1034 53.58QBEP940 50.46Q75%705 42.71Q50%470 35.07Q25%235 27.49ൌ ࡾࡱࡼ૚૜൅ ࢖ࢎ	૚ૠ .

૝૛૚૜൅ ࢖ࢎ	૟૝ .૙૞૚૜࢖ࢎ	ૡ ૞.

૞૜ࡾࡱࡼ࢚࢙ࢋ࢚࢖ࢎ	૛ૢ .ૡ ૝ൌࡾࡱࡼࢉ࢒ࢇࢉ࢖ࢎ	૜૙ ૢ.૝ ൌ27BControlsMOTORPUMPBarePump+Motor+ControlsTestProcedureManufacturercanmeasurepowerofpump+motor+controlscombo.×manufacturerordefaultmotorefficiencyAMOTORManufacturercanpairitspumpdatawithmanufacturermotordataanddefaultfactorforcontrols.pumpperformancedatafrompumptestatratedspeeddefaultcontrolsperformanceControls×•GeneraltestprocedureissimilartoHI40.6except•Measureinputpowertothedriveusinginstrumentscapableofmeasuringcurrent,voltageandrealpower,designedasperIECStandard61000‐4‐7,andhavinganaccuracyof± 0.2%offullscaleatthefundamentalsupplysourcefrequency.•Anyotherinputsorchanges?28ApplicationofCalculationandTestingBasedMethods•Isphysicaltestingmoreappropriateforsomeequipmentclasseswhileacalculationmethodismoreappropriateforothers?–e.g.ESCCpumps,pumpssoldwithnon‐DOEmotors•WhattodoaboutpumpssoldwithmotorssizeddifferentlyfromwhatisspecifiedinthetestprocedureTestMethod Pros ConsCalculationMethodRepeatable;LessburdensomeDoes notdifferentiatedifferentcontrolsperformance;Assumptionsregarding changeinmotor/controlsefficiencywithchangingloadrequired;DecreasedaccuracyPhysical TestMethodAccurate;Differentiatesperformanceofdifferent motor/controlsequipmentatfullandpartloadBurdensome;Drivetest datanotavailable29ApplyingTestDatatoMetric30PumpEnergyRating(PER)andIndex(PEI)NomenclaturePumpEnergyRating(PER)CLandVL:equallyweightedaverageelectricinputpowertothe‘pump’measured(orcalculated)atthedriverinputor,whenpresent,controlsinput,overaspecifiedloadprofile:Where:•wi=weightateachloadpointi•Pini=powerinputtothe“pump”atthedriver,inclusiveofthecontrolsifpresent,(hp)•i =Percentageofflowatthebestefficiencypoint(BEP)ofthepump•i=110%,100%,75%ofBestEfficiencyPoint(BEP)flowatnominalspeedforuncontrolledpumps•i=25%,50%,75%,and100%ofBEPflowatnominalspeedforpumpssoldwithmotorsandcontrolsPumpEnergyIndex(PEI)CLandVL:PERCLandVL,foragivenpumpmodel,overthePERCLforaminimallycompliantpump(PERSTD):ࡾࡱࡼࡸࢂ/ࡸ࡯ൌ෍߱௜ܲ௡௜௜௜ࡵࡱࡼࡸ࡯ൌܴܧܲ௅஼ܴܧܲ஽்ௌࡵࡱࡼࡸࢂൌܴܧܲ௅௏ܴܧܲ஽்ௌ31DeterminingPEICLforanUncontrolledPump•PumpPerformance–Pivaluesarethetestedshaftinputpowertothepump(speedxtorque)ateachloadpointi•i=75%,100%,and110%offlowrateatBEPofthepump•Equalweighting•MotorPerformance(Losses)–Lratedisthefullloadlossesofamotorthatispairedwiththepumpforpumpssoldwithmotors–LratedisthefullloadlossesofanenclosedmotorthatisminimallycompliantwithDOE’smotorregulations(10CFR431.25)forgeneralpurposemotors(subtypeI)forallpumpsexceptESCCandgeneralpurposemotors(subtypeII)forESCCpumpsܲܫܧ௅஼ൌఠబ.ళఱ௉೔೙బ.ళఱାఠಳಶು௉೔೙ಳಶುାఠభ.భ௉೔೙భ.భ௉ாோ೘ೌೣൌ߱଴.଻ହܲ௜௡଴.଻ହ൅ ߱஻ா௉ܲ௜௡஻ா௉൅ ߱ଵ.ଵܲ௜௡ଵ.ଵ߱଴.଻ହܲு௬ௗ௥௢,଴.଻ହ0.95 ∗ ߟ௣௨௠௣൅ ܮ଴.଻ହ൅ ߱஻ா௉ܲு௬ௗ௥௢,஻ா௉ߟ௣௨௠௣൅ ܮ஻ா௉൅ ߱ଵ.ଵܲு௬ௗ௥௢,ଵ.ଵ0.985 ∗ ߟ௣௨௠௣൅ ܮଵ.ଵ=భయ∗௉బ.ళఱା௅బ.ళఱାభయ∗௉ಳಶುା௅ಳಶುାభయ∗௉భ.భା௅భ.భభయ∗ುಹ೤೏ೝ೚,బ.ళఱబ.వఱ∗ആ೛ೠ೘೛ା௅బ.ళఱାభయ∗ುಹ೤೏ೝ೚,ಳಶುആ೛ೠ೘೛ା௅ಳಶುାభయ∗ುಹ೤೏ೝ೚,భ.భబ.వఴఱ∗ആ೛ೠ೘೛ା௅భ.భ•NoControlsPerformance32DeterminingPEIVLforaControlledPumpܫܧܲ௏௅ൌ1η௖௧௥௟߱଴.ଶହܲ௜௡଴.ଶହ൅ ߱଴.ହ଴ܲ௜௡଴.ହ଴൅ ߱଴.଻ହܲ௜௡଴.଻ହ൅ ߱஻ா௉ܲ௜௡஻ா௉߱଴.଻ହܲு௬ௗ௥௢,଴.଻ହ0.95 ∗ ߟ௣௨௠௣൅ ܮ଴.଻ହ൅ ߱஻ா௉ܲு௬ௗ௥௢,஻ா௉ߟ௣௨௠௣൅ ܮ஻ா௉൅ ߱ଵ.ଵܲு௬ௗ௥௢,ଵ.ଵ0.985 ∗ ߟ௣௨௠௣൅ ܮଵ.ଵ=ଵ஗೎೟ೝ೗భర௉೔೙బ.మఱାభర௉೔೙బ.ఱబାభర௉೔೙బ.ళఱାభర௉೔೙ಳಶುఠబ.ళఱುಹ೤೏ೝ೚,బ.ళఱబ.వఱ∗ആ೛ೠ೘೛ା௅బ.ళఱାఠಳಶುುಹ೤೏ೝ೚,ಳಶುആ೛ೠ೘೛ା௅ಳಶುାఠభ.భುಹ೤೏ೝ೚,భ.భబ.వఴఱ∗ആ೛ೠ೘೛ା௅భ.భ•PumpPerformance–Pivaluesarethetestedshaftinputpowertothepump(speedxtorque)ateachloadpointi•i =25%,50%,75%,and100%offlowrateatBEPofthepump•Equalweighting•MotorPerformance(Losses)–Lratedisthefullloadlossesofamotorthatispairedwiththepumpforpumpssoldwithmotors•ControlsPerformance–Benefitiscapturedincalculationofbareshaftinputpower–Willaccountfordriveefficiency33MinimallyCompliantPump•PERforaminimallycompliantpump–BasedonPERStandardsetthroughStandardsanalysis–Assumesapumpcurveshapefortheminimallycompliantpumpandalwaysassumesnocontrols–Motorlossesarethatofaminimallycompliantenclosedmotorfortheappropriatepumptype–Theminimallycompliantpumpefficiencyiscalculatedforeachpumptypebasedonafunctionofflowandspeedܲܧܴ௔௠௫ൌ ߱଴.଻ହܲு௬ௗ௥௢,଴.଻ହ0.95 ∗ ߟ௣௨௠௣,௠௜௡൅ ܮ଴.଻ହ൅ ߱஻ா௉ܲு௬ௗ௥௢,஻ா௉ߟ௣௠௨௣൅ ܮ஻ா௉൅ ߱ଵ.ଵܲு௬ௗ௥௢,ଵ.ଵ0.985 ∗ ߟ௣௨௠௣൅ ܮଵ.ଵߟ௣௨௠௣ൌ 88.59 ∗ lnܰݏ ൅ 13.46 ∗ lnܳ௠௘௧௥௜௖െ 11.48 ∗ lnܰݏଶെ 0.85 ∗ lnܳଶെ 0.38 ∗ lnܰݏ∗ lnܳ െܥ•Where:–Nsisthespecificspeedofthepumpinmetricunits,–QistheflowrateofthepumpatBEPinm3/hr,–CistheC‐valueofthesurface,whichissetbasedonthespeedofrotationofthepump,and–Allvaluesareforthepumpat50Hz34TestProcedureRecommendations•PumptestprocedureshouldbeinaccordancewithHI40.6fordeterminingbarepumpperformance–VOTE:13YES,2 ABSTAIN,1ABSENT•PumpEnergyRating(PER)CLandVL:equallyweightedaverageelectricinputpowertothe‘pump’measured(orcalculated)atthedriverinputor,whenpresent,controlsinput,overaspecifiedloadprofile:–Where:–wi=weightateachloadpointi–Pini=powerinputtothe“pump”atthedriver,inclusiveofthecontrolsifpresent,(hp)–i =Percentageofflowatthebestefficiencypoint(BEP)ofthepump•i =110%,100%,75%ofBestEfficiencyPoint(BEP)flowatnominalspeedforuncontrolledpumps•i =25%,50%,75%,and100%ofBEPflowatnominalspeedforpumpssoldwithmotorsandcontrols•PumpEnergyIndex(PEI)CLandVL:PERCLandPERVL,foragivenpumpmodel,overthePERCLforaminimallycompliantpump(PERSTD)servingthesamehydraulicload:–VOTE:14YES,1ABSTAIN,1ABSENTࡵࡱࡼࡸ࡯ൌܴܧܲ௅஼ܴܧܲ஽்ௌࡵࡱࡼࡸࢂൌܴܧܲ௅௏ܴܧܲ஽்ௌࡾࡱࡼࡸ࡯ൌ෍߱௜ܲ௡௜௜௜ࡾࡱࡼࡸࢂൌ෍߱௜ܲ௡௜௜௜35LabelRecommendationsPumpConfigurationBare Pump* BarePump+ Motor BarePump+Motor+ControlsStandardPEICL(w/ std.motor)PEICLPEIVLLabelPEICL(w/ std.motor),Modelnumber,andImpellerdiameterforeachunitPEICL,Modelnumber,andImpellerdiameterforeachunitPEIVL,Modelnumber,andImpellerdiameterforeachunit

PumpMotor PumpMotorControl Pump•Pumpsarelabeledbasedontheconfigurationinwhichtheyaresold•Uncontrolledpumps‐>ConstantLoadPumpEnergyIndex(PEICL)•Controlledpumps‐>VariableLoadPumpEnergyIndex(PEIVL)•Thefollowinginformationwouldberequiredtobeincludedonapumpnameplate:VOTE:13YES,2ABSTAIN,1ABSENT36RecommendedDatatobeIncludedinCertificationReports/Database•Manufacturername•Modelnumber(s)•Equipmentclass•PEICLorPEIVLasapplicable•BEPflowrateandhead•Ratedspeed•Numberofstagestested•Fullimpellerdiameter•WhetherthePEICLorPEIVLiscalculatedortested•Inputpowertothepumpateachloadpointi (ܲ௜௡௜)VOTE:13YES,2ABSTAIN,1ABSENT37NumberofStagesforTestingofVT‐SandRS‐VPumps•CertificationforRS‐VandVT‐Spumpsshallbebasedontestingwiththefollowingnumberofstages:–RS‐V=3stages–VT‐S=9stages–Unlessamodelisnotavailablewiththatspecificnumberofstagesinthegivenscope,inwhichcasethemodelwillbetestedandcertifiedwiththenexthighernumberofstages.VOTE:14YES,1ABSTAIN,1ABSENT38RecommendationsRegardingCirculators&PoolPumps•Previousproposal–ASRACapprovednegotiationbytheendoftheyear•Revisedproposedprocessoncirculators–EEadvocatesandmanufacturerswillinformallydiscussacirculatorproposaltopresenttoDOEasapreferredpath•EEadvocateswillsendproposalforcirculatorscopeandobjectives•Pump/circulatormanufacturerswillconsideratOct/FebHImeetingsandrespond•Availabilityofinformalanalyticalsupportanimportantvariable–ASRACapprovednegotiationbytheendoftheyearasabackupapproach•Proposedtimeline–CirculatorsNOPRbyJuly2015–DemonstrationofintenttoinitiaterulemakingonpoolpumpsbyDec2014–SubjecttoavailabilityofDOEresources39Metric:Standardvs.Label40MetricGoals1. Beobjectivelymeasureable2. Representtheperformanceofthecoveredequipment3. Differentiateperformanceamongpumpmodelsandpumpconfigurations(e.g.pumpssoldwithcontrols)4. Communicateinformationaboutpumpperformancetotheconsumer–Maynotbealltheinformationaconsumerusestomakeadecision5. ComparetheefficiencyofagivenpumpmodeltoaminimumstandardlevelMetricTestProcedureTestedPerformanceofPumpATestedPerformanceofPumpBEnergyConservationStandardMinimumStandardLevelBarePumpEfficiencyorEnergyUseMotorEfficiencyorEnergyUseControlsEfficiencyorEnergyUse‘Pump’EfficiencyorEnergyUse=41ApplicationofStandardvs.LabelMetricGoals Standard LabelBeobjectivelymeasureableRepresenttheperformanceofthecoveredequipmentPEICLorPEIVLdependingonpumpconfigurationRepresents theperformanceoftheequipmentinbothcontrolled(variableload)anduncontrolled(constantload)applicationsDifferentiateperformanceamongpumpmodelsandpumpconfigurations(e.g.pumpssoldwithcontrols)CommunicateinformationaboutpumpperformancetotheconsumerN/A Consumercan compareperformancewithcontrolsforavariableloadtoaconstantloadapplicationwithnocontrolsComparetheefficiencyofagivenpumpmodeltoaminimumstandardlevelPEIisanindextostandard level,socomparisonisinherentinmetricvalueN/A42PotentialImpactsonMarket•Consumers/Contractors:ProvidingboththePEICLandPEIVLonthelabelwillprovideinformationtoconsumersregardingimprovedperformanceofpumpswithcontrolsinvariableloadapplications–maynotbealltheinformationaconsumerusestomakeadecision,butisanindicatoroftheopportunityforsavings•Utilities:UtilitiescouldchoosetoincentivizeaPEIVLofacertainvalueforvariableloadapplicationstoencouragetheuseofVFDs(whichwillhaveadifferentsystemcurvethanothercontrols)andaPEICLofacertainvalueforconstantloadapplications43OtherLabelorReportingOptions•Energyuse/yr–Establishingweightsasoperatinghoursateachweight•Assumeanannualnumberofoperatinghours/yr•Stillequallyweightedover3or4loadpointsforuncontrolledandcontrolledpumpsࡾࡱࡼࡸ࡯

/ࡸࢂൌ෍߱௜ܲ௜௡௜ൌ ߱଴.଻ହܲ௜௡଴.଻ହ൅ ߱஻ா௉ܲ௜௡஻ா௉൅ ߱ଵ.ଵܲ௜௡ଵ.ଵ௜ൌ1	ܹ݇݌݄	1.34∗߱଴.଻ହܲ௜௡଴.଻ହ൅ ߱஻ா௉ܲ௜௡஻ா௉൅ ߱ଵ.ଵܲ௜௡ଵ.ଵൌ1	ܹ݇݌݄	1.34∗1,000	݄ݏݎ ∗ܲ௡௜଴

.଻ହ൅ 1,000	݄ݏݎ ∗ܲ௡௜஻

ா௉൅ 1,000	݄ݏݎ ∗ܲ௡௜ଵ.ଵൌ1	ܹ݇݌݄	1.34∗∗ 	ݏݎ݄	1,000∗ 	ݏݎ݄	1,000 ൅ ݌3.01݄ ൅ ݌݄	40.16∗ ݏݎ݄	1,000 ൅ ݌3.40݄ ൅ ݌݄	47.66݌3.57݄ ൅ ݌50.65݄ࡾࡱࡼࡸ࡯࢘࢟/ࢎࢃ࢑	ૠૡૠ , ૚૚૙ൌࡾࡱࡼࡸࢂ࢘࢟/ࢎࢃ࢑	૙ૢ૝ ,ૡ ૝ൌ44BackUpSlides45GeneratingaMotorLossCurve•Usepartloadmotorefficiencyat25%,50%,75%,and100%ofratedload–UsedefficiencyvaluesfromNEMAmotormanufacturersൌ ݔݎ݁ݓ݋ܲ	݁݀ݐܴܽ	݂݋	100% 75%, 50%, 25%,•Obtainthepartloadfractionoftotalmotorloss݂∗ݔൌ ݔߟ௅ிߟݔ∗ߟെ1ݔߟെ1௅ி46GeneratingaDefaultMotorLossCurve•Findthemaximumvaluesof݂ݔforeachloadfractionvalueacrosstheentirepowerrange•Createapolynomialcurvefromthemaximumpoints–Scalethecurve݂ݔ௔௠ ௫byascalingfactor(ݏ. ݂.(toobtainvaluesof݂ݔ–݂ݔ௦ ௖௢௡݂ ൌݔ௫ ௠௔൅ ݂. .ݏ ∗0.95 ൌ ݂. .ݏ	݁ݎ݄݁ݓ , ݂. .ݏ െ 1•Plotthesevaluesof݂ݔforallfourloadpointsanddeterminecoefficientsofthebestfitcubicpolynomial݂ݔ∗ܽൌ ݔଷݔ∗ܾ൅ଶ݀൅ݔ∗ܿ൅47CubicPolynomialCoefficientConservative݂(ݔ(OldMotorChallengeDataa‐0.185‐0.1309b0.73290.5333c‐0.1565‐0.0209d0.60860.6185MotorLossCurve– Example(TEFCMotor3600RPM)y=‐0.185x3+0.7329x2‐0.1565x+0.6086R2=100.10.20.30.40.50.60.70.80.910 0.2 0.4 0.6 0.8 1

fractional load lossfractionalloadpowermaximumvaluesconservativevaluesoldcurve48CubicPolynomialCoefficientConservative݂(ݔ(OldMotorChallengeDataa‐0.3831‐0.0962b1.05390.5629c‐0.36560.1554d0.69480.3779MotorLossCurve– Example(ODPMotor1800RPM)y=‐0.3831x3+1.0539x2‐0.3656x+0.6948R2=100.10.20.30.40.50.60.70.80.910 0.2 0.4 0.6 0.8 1

fractional load lossfractionalloadpowermaximumvaluesconservativevaluesoldcurve49CubicPolynomialCoefficientConservative݂(ݔ(OldMotorChallengeDataa‐0.313‐0.2887b0.95421.1705c‐0.3111‐0.5991d0.66990.7174MotorLossCurve– Example(TEFCMotor1800RPM)y=‐0.313x3+0.9542x2‐0.3111x+0.6699R2=100.10.20.30.40.50.60.70.80.910 0.2 0.4 0.6 0.8 1

fractional load lossfractionalloadpowermaximumvaluesconservativevaluesoldcurve50MotorLossesbyHP55.060.065.070.075.080.085.090.095.0100.025% 50% 75% 100%

Motor EfficiencyPercentageofMotorLoad1HP1.5HP2HP3HP5HP7.5HP10HP15HP20HP25HP30HP40HP50HP60HP75HP100HP