BUILDINGTECHNOLOGIESPROGRAMMay29,2014ASRACPumpsWorkingGroupWebinarMeetingMetric andTestProcedure2Overview•Reviewgeneralmetricarchitecture–Metricnomenclature•DiscussimplementationofPERCLandPERVLmetrics–Labeling/markinglogistics,includingsalesanddistributionchannels–Additionalreportedinformationorlabelinformation–Marketimpacts,especiallyapplicationtoutilityprograms•FinalizemetricissuesthataffectStandard–Loadpointsandweights–Motorsizingandlosses•Motoranddriverpartloadlossfactor•Submersiblemotorminimumefficiencystandards3PumpEnergyRating(PER)andIndex(PEI)NomenclatureAPumpEnergyRating(PER)CLandVL:equallyweightedaverageelectricinputpowertothe‘pump’measured(orcalculated)atthedriverinputor,whenpresent,controlsinput,overaspecifiedloadprofile,overtheweightedaverageelectricinputpowertothepumpforaminimallycompliant,uncontrolledpump: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%ofBEPflowatnominalspeedforpumpssoldwithmotorsandcontrolsࡾࡱࡼࡸࢂ/ࡸ࡯ൌ∑߱௜ܲ௜௡௜௜∑߱௜ܲ௜௡௫௠௔,

௜௜4PumpEnergyRating(PER)andIndex(PEI)NomenclatureBPumpEnergyRating(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(PERmax):ࡾࡱࡼࡸࢂ/ࡸ࡯ൌ෍߱௜ܲ௡௜௜௜ࡵࡱࡼࡸࢂ/ࡸ࡯ൌܴܧܲ௅௏/௅஼ܴܧܲ௫௠௔5DeterminingPEICLforanUncontrolledPump•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•NoControlsPerformance6DeterminingPEIVLforaControlledPumpܫܧܲ௏௅ൌ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–Couldstillaccountfordriveefficiency7MinimallyCompliantPump•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–Allvaluesareforthepumpat50Hz8VoteonOverallMetricArchitecture?•TheWorkingGrouprecommendsthatthegeneralmetricarchitecturebeasfollows:Where:–PEI=PumpEnergyIndex(dimensionlessquantity)–∑߱௜ܲ௜௡௜௜ൌ ܲܧܴ,wherePER=PumpEnergyRating(hp)•wi=weightateachloadpointi•Pini=powerinputtothe“pump”atthedriver,inclusiveofthecontrolsifpresent,(hp)–ܲܧܴெ௔௫=PERforminimallycompliantpump(alsoinhp)–i =Percentageofflowatthebestefficiencypoint(BEP)ofthepump•i =110%,100%,75%ofBestEfficiencyPoint(BEP)flowatnominalspeedforuncontrolledpumps•i=25%,50%,75%,and100%ofBEPflowatnominalspeedforpumpssoldwithmotorsandcontrolsࡵࡱࡼࡸࢂ/ࡸ࡯ൌܴܧܲ௅௏/௅஼ܴܧܲ௫௠௔9Metric:Standardvs.Label10MetricApplicability:Standardvs.LabelPumpConfigurationBare Pump* BarePump+ Motor BarePump+Motor+ControlsStandardPEICL(w/ std.motor)PEICLPEIVLLabelPEICL&PEIVL(w/ std.driverandcontrolsPEICL&PEIVL(w/std.controls)PEICL(withratedmotor)&PEIVL

PumpMotor PumpMotorControl Pump•Pumpsareregulatedbasedontheconfigurationinwhichtheyaresold•Bothcontrolledanduncontrolledperformancecapturedonthelabel•Uncontrolledpumps‐>ConstantLoadPumpEnergyRating(PERCL)•Controlledpumps‐>VariableLoadPumpEnergyRating(PERVL)*Pumpssoldwithnon‐electricdrivescouldberatedasbarepumps11MetricGoals1. Beobjectivelymeasureable2. Representtheperformanceofthecoveredequipment3. Differentiateperformanceamongpumpmodelsandpumpconfigurations(e.g.pumpssoldwithcontrols)4. Communicateinformationaboutpumpperformancetotheconsumer–Maynotbealltheinformationaconsumerusestomakeadecision5. ComparetheefficiencyofagivenpumpmodeltoaminimumstandardlevelMetricTestProcedureTestedPerformanceofPumpATestedPerformanceofPumpBEnergyConservationStandardMinimumStandardLevelBarePumpEfficiencyorEnergyUseMotorEfficiencyorEnergyUseControlsEfficiencyorEnergyUse‘Pump’EfficiencyorEnergyUse=12ApplicationofStandardvs.LabelMetricGoals Standard LabelBeobjectivelymeasureableRepresenttheperformanceofthecoveredequipmentPEICLorPEIVLdependingonpumpconfigurationRepresents theperformanceoftheequipmentinbothcontrolled(variableload)anduncontrolled(constantload)applicationsDifferentiateperformanceamongpumpmodelsandpumpconfigurations(e.g.pumpssoldwithcontrols)CommunicateinformationaboutpumpperformancetotheconsumerN/A Consumercan compareperformancewithcontrolsforavariableloadtoaconstantloadapplicationwithnocontrolsComparetheefficiencyofagivenpumpmodeltoaminimumstandardlevelPEIisanindextostandard level,socomparisonisinherentinmetricvalueN/A13PotentialImpactsonMarket•Consumers/Contractors:ProvidingboththePEICLandPEIVLonthelabelwillprovideinformationtoconsumersregardingimprovedperformanceofpumpswithcontrolsinvariableloadapplications–maynotbealltheinformationaconsumerusestomakeadecision,butisanindicatoroftheopportunityforsavings•Utilities:UtilitiescouldchoosetoincentivizeaPEIVLofacertainvalueforvariableloadapplicationstoencouragetheuseofVFDs(whichwillhaveadifferentsystemcurvethanothercontrols)andaPEICLofacertainvalueforconstantloadapplications14OtherLabelorReportingOptions•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 ૝ൌ15MotorSizingandMotorLosses16MotorSelection•StandardizedMotorPerformance–LratedisrepresentativeofenclosedmotorthatisminimallycompliantwithDOE’smotorregulations(10CFR431.25)forgeneralpurposemotors(subtypeI)forallpumpsexceptESCCandgeneralpurposemotors(subtypeII)forESCCpumps–MotorsizewillbenextHPabovemaximumofpumpshaftinputhorsepoweratBEP,110%ofBEP,or120%ofBEPQ•PumpshaftinputhorsepoweratBEP,110%ofBEP,and120%ofBEPQdeterminedbasedonlinearregressionoftestedpumpshafthp data–Poleswillbebasedonspeedatwhichpumpisbeingrated•ManufacturerMotorPerformance–Lratedisthefullloadlossesofamotorthatispairedwiththepump–Motorsizewillbethatsoldwiththepump–Poleswillbebasedonspeedatwhichpumpisbeingrated17PumpCurveExample– DeterminingBareShaftInputPowerForCalculationofHydraulicOutputPowerBestEfficiencyPoint25% 50% 75%100% 110% 120%Percent of BEP FlowBare PumpBrakeHorsepowerUsed forMotorSizingONLY18DeterminingBareShaftPumpInputPower–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%BEPflow120%ofBEPflow(formotorsizing)%ofBEPflowFlowRate(GPM)Shaftinputpower(hp)100 94047.9875 70540.69110 103450.89120 112853.80–Insteadcouldlinearlyinterpolatebetweenpointstodetermineshaftinputpoweratpartloadpoints–Couldalsoestablishtoleranceforwhichinterpolationisallowed19AccountingforMotorLosses•TheproposedPERCL,PERVL,andPERmaxcalculationsrequireassumptionsregardinghowmotorsperformatpartload•OptionstoaddressmotorefficiencyinthePERcalculationsinclude:*Conservative=willresultinahigherPERforcalculationmethod,ascomparedtotestingOption Accuracy Simplicity Burden Conservative*UseonlyfullloadefficiencyLow High Low YesUsefull loadlossesanddefaultlosscurvesMedium Medium Medium YesUsemeasuredpartloadefficienciesHigh HighHigh – requirespartloadmotortestprocedure(IEEE112Bforpumpswithmotorsand/orCSAC‐838forpumpswithmotorsandcontrols),couldconsiderAEDMNoPrimaryOptional20DeterminingPartLoadMotorLossesThefractionalmotorlossesateachloadpointi(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)orasinglecurveshouldbeassumedforallmotors21GeneratingaMotorLossCurve•Usepartloadmotorefficiencyat25%,50%,75%,and100%ofratedload–UsedefficiencyvaluesfromDOE’sMotorChallengeProgram1ൌ ݔݎ݁ݓ݋ܲ	݁݀ݐܴܽ	݂݋	100% 75%, 50%, 25%,•Obtainthepartloadfractionoftotalmotorloss݂∗ݔൌ ݔߟ௅ிߟݔ∗ߟെ1ݔߟെ1௅ி1DOE.2004.“DeterminingElectricMotorLoadandEfficiency.”Availableat:http://www1.eere.energy.gov/manufacturing/tech_assistance/pdfs/10097517.pdf22GeneratingaConservativeMotorLossCurve•Findthemaximumvaluesof݂ݔforeachloadfractionvalueacrosstheentirepowerrange•Createapolynomialcurvefromthemaximumpoints–Scalethecurve݂ݔ௔௠ ௫byascalingfactor(ݏ. ݂.(toobtainconservativevaluesof݂ݔ–݂ݔ௦ ௖௢௡݂ ൌݔ௫ ௠௔൅ ݂. .ݏ ∗0.95 ൌ ݂. .ݏ	݁ݎ݄݁ݓ , ݂. .ݏ െ 1•Plottheseconservativevaluesof݂ݔforallfourloadpointsanddeterminecoefficientsofthebestfitcubicpolynomial݂ݔ∗ܽൌ ݔଷݔ∗ܾ൅ଶ݀൅ݔ∗ܿ൅23HPSizes 100% 75% 50% 25%1086.3 87.7 86.4 79.21587.9 88 87.3 82.82089.1 89.5 88.7 85.22589 89.9 89.1 84.43089.2 89.3 88.3 84.84090 90.4 89.9 86.95090.1 90.3 88.7 85.87590.7 91 90.1 85.710091.9 92.1 91.5 8912591.6 91.8 91.1 88.815092 92.3 92 89.220093 93 92.1 87.925092.7 93.1 92.4 87.130093.9 94.3 93.8 90.4RawEfficiencyDatafromDOEMotorChallenge100% 75% 50% 25%1 0.663 0.496 0.4141 0.743 0.528 0.3771 0.719 0.521 0.3551 0.682 0.495 0.3741 0.742 0.547 0.3701 0.717 0.506 0.3391 0.733 0.580 0.3771 0.723 0.536 0.4071 0.730 0.527 0.3511 0.731 0.533 0.3441 0.720 0.500 0.3481 0.750 0.570 0.4571 0.706 0.522 0.4701 0.698 0.509 0.4091 0.750 0.580 0.470Max݂ሺݔሻofvaluesMAXMotorLossCurve– Example(ODPMotor3600RPM)24y=0.2022x3+0.1828x2+0.2126x+0.4024R2=1y=0.1921x3+0.1736x2+0.202x+0.4323R2=10.20.30.40.50.60.70.80.9120% 30% 40% 50% 60% 70% 80% 90% 100%

Fractional load lossPercentofmotorloadMotorLossCurve– Example(ODPMotor3600RPM)XMAXࢌሺ࢞ሻX‐1 MAXࢌሺ࢞ሻ‐1 ContractionConservativeࢌሺ࢞ሻ0.25 0.470‐0.750‐0.530‐0.503 0.4970.50 0.580‐0.500‐0.420‐0.399 0.6010.75 0.750‐0.250‐0.250‐0.238 0.76311000125CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a 0.20220.1921b 0.18280.1736c 0.21260.2020d 0.40240.4323MotorLossCurve– Example(ODPMotor3600RPM)y=0.1921x3+0.1735x2+0.202x+0.4323R2=10.30.40.50.60.70.80.910.2 0.4 0.6 0.8 1

fractional load lossfractionalloadpowermaximumvalues26CalculatingMotorLosses•UsepartloadlosscurvedevelopedforODPmotor,1800RPMtodeterminepartloadlossfactor(yi):•Calculatethefractionalinputpowerasfollows:ܲ௜௡௜ൌ ܲ௜൅ ܮ௜–WherePiisthebareshaftinputpowerinhp andthefractionalloadlossateachflowpoint,Lfull,ratedisthefullloadlossesdeterminedinaccordancewith10CFR431.25(subpartB)%BEPflowBare pumpshaftinputpower (hp)Loadfraction(xi)Partloadlossfactor(yi)Fractionalloadloss(hp)Fractionalinputpower(hp)110 50.89 0.85 0.86 3.51 54.40100 47.98 0.80 0.81 3.33 51.3175 40.69 0.68 0.712.9243.62ݕ௜ݔ ∗ 0.0962െ ൌ௜ଷݔ ∗ 5629 ൅௜ଶݔ ∗ 0.1554 ൅௜0.3779 ൅27MotorEfficiencyforNon‐CoveredMotors•PERmaxrequiresaminimallycompliantpump/motor–MinimummotorefficiencyneedstobedeterminedandlistedintestprocedurefordeterminationofPEI–Thisisapplicablefor:•Submersiblepumps•Otherpumps?•Togeneratenon‐coveredmotorefficiencytables:–Surveyindustryliteraturetodetermineavailablemotorefficienciesineachhp bin–Selectlowestefficiencyavailableineachhp binasminimumefficiencytobeusedasdefaultmotorefficiency•Couldalsoapplyascalingfactortoensurevalueisaminimum28OtherTestProcedureItemstobeAddressedinTPNOPR•Controls–Accountingforsavingsfromcontrols–Whattypesofcontrolstogivecreditto•Testingvs.CalculationMethods–Whetherbothcalculationandtestingmethodsareacceptableforeachequipmentclass–Whattodoaboutpumpssoldwithmotorssizeddifferentlyfromwhatisspecifiedinthetestprocedure•Whattodoaboutissueswithspecificpumps–i.e.where120%BEPflowexceedsrunout•Others?29TPProcessSlides30TestProcedure•Thescopeofthisworkinggroupdoesnotincludedevelopmentofthetestprocedure.–Theworkinggroupmayvoteormakerecommendationsoncertainhigh‐levelmetricandtestprocedureitemsthataffectthestandard:•Generalmetricarchitecture(i.e.,ratio,denominator,etc.)•Loadpointsandweights•Motorsizingandlosses–Itisnotlikelythatdetaileddiscussionoftechnicaltestprocedureissueswilloccuratthisorfuturemeetings.•DOEanticipatesresolvingremainingtestproceduredetailsandmethodologythroughthetraditionalrulemakingprocess,beginningwithatestprocedureNOPRthissummer.31AdditionalDetailonMotorLossesandMotorLossCurves32StandardforsubmersiblemotorsMotorsize(hp)FullloadmotorefficiencyMinimum Standard‐98%1.5 7573.52 7674.483 7775.465 7876.447.5 7876.4410 7573.515 8179.3820 8280.3625 8381.3430 8381.3440 8381.3450 8381.3460 8482.3275 8684.28100 8785.26125 8684.28150 8684.28175 8886.24200 8785.26250 8785.26727476788082848688901 10 100 1000

Efficiency (%)Motorsize(hp)‐logarithmicscaleMinimummotorefficiencystandard(submersible)MinimummotorefficiencyProposedstandard‐98%min.33CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a‐0.758‐0.1309b 1.68440.5333c‐0.5531‐0.0209d 0.62670.6185MotorLossCurve– TEFCMotor3600RPMy=‐0.1309x3+0.5333x2‐0.0209x+0.6185R2=100.20.40.60.811.20 0.2 0.4 0.6 0.8 1 1.2conservativevaluesmaximumvalues34CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a‐0.1013‐0.0962b 0.52960.5629c 0.16350.1554d 0.34520.3779MotorLossCurve– ODPMotor1800RPMy=‐0.0962x3+0.5629x2+0.1554x+0.3779R2=100.20.40.60.811.20 0.2 0.4 0.6 0.8 1 1.2

fractional load lossfractionalloadpowermaximumvaluesconservativevalues35CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a‐1.0019‐0.2887b 2.66271.1705c‐1.4745‐0.5991d 0.81370.7174MotorLossCurve– TEFCMotor1800RPMy=‐0.2887x3+1.1705x2‐0.5991x+0.7174R2=100.20.40.60.811.20 0.2 0.4 0.6 0.8 1 1.2

fractional load lossfractionalloadpowermaximumvaluesconservativevalues36CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a‐0.8716‐0.7409b 2.11421.7971c‐0.793‐0.6741d 0.55040.6178MotorLossCurve– ODPMotor1200RPMy=‐0.7409x3+1.7971x2‐0.6741x+0.6179R2=100.20.40.60.811.20 0.2 0.4 0.6 0.8 1 1.2

fractional load lossfractionalloadpowermaximumvaluesconservativevalues37CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a‐1.4198‐0.2541b 3.27140.809c‐1.5629‐0.0811d 0.71130.5263MotorLossCurve– TEFCMotor1200RPMy=‐0.2541x3+0.809x2‐0.0811x+0.5263R2=100.20.40.60.811.20 0.2 0.4 0.6 0.8 1 1.2

fractional load lossfractionalloadpowermaximumvaluesconservativevalues38CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a‐1.8416‐0.5213b 3.78221.1267c‐1.6348‐0.1497d 0.69420.5443MotorLossCurve– ODPMotor900RPMy=‐0.5213x3+1.1267x2‐0.1497x+0.5443R2=100.20.40.60.811.20 0.2 0.4 0.6 0.8 1 1.2

fractional load lossfractionalloadpowermaximumvaluesconservativevalues39CubicPolynomial Coefficient݂(ݔ(Conservative݂(ݔ(a 5.24580.0687b‐9.79580.0334c 5.89790.1373d‐.34790.7606MotorLossCurve– TEFCMotor900RPMy=0.0687x3+0.0334x2+0.1373x+0.7606R2=100.20.40.60.811.20 0.2 0.4 0.6 0.8 1 1.2

fractional load lossfractionalloadpowermaximumvaluesconservativevalues