QSK50 Land Based Drilling Power Modules - Cummins Engines

QSK50 Land BasedDrilling PowerModulesDescriptionCummins ® Land Based Drilling Power Modules aredesigned and tested based on oil field customerrequirements to provide optimum performance, reliability,and versatility for oil and gas land drilling applications.General specificationsV-16, 4 Stroke DieselBoreStrokeDisplacementAspirationGovernorCooling systemWeight w/o radiatorCooling system capacityLube oil capacityBase designAlternator rotor designAlternator insulationVoltage159 mm159 mm50.3 LTurbocharged and aftercooledElectronicVertical or horizontal dischargeoptions29,500 lbs (13,385 kg)Vertical: 117 gallonsHorizontal: 110 gallons72 gal (272 liter)Three point mountingTwo bearingClass H600 VFeaturesSingle source supplier - The entire power module isdesigned and manufactured in facilities certified toISO9001 or ISO9002.Cummins heavy-duty engine - Rugged 4-cycleindustrial diesel delivers reliable power, low emissions,and fast response to load changes.Alternator - Form wound stator and rotor; designed,tested and sized for drill rig service; 5/6 pitch windings;low waveform distortion with non-linear loads; faultclearing short-circuit capability.Control system - Engine monitoring and shutdownfunctions with easy to read analog gauges for criticalparameters and a digital display for alarm and statusmessage display.Testing and validation - Prototype tested to verifycomputer aided designs, confirm torsional stability, andsystem functionality. Every Cummins engine isdynamometer tested to ensure optimal engineperformance.Low exhaust emissions - Engine certified to U.S. EPANonroad Source Emissions Standards, 40 CFR 89, Tier 2.Warranty and service - Backed by a comprehensivewarranty and worldwide distributor network.Web - www.CumminsOilandGas.comPower factor 0.7Rating detailsModel Frequency Voltage Speed RPM Engine power HP (kWm) Alternator rating*DQGAC 60 347/600 1200 1480 (1104) 1750 kVA (1225 kWe @ 0.7 pf )Rating descriptionThese modules are to be used in continuous operation at varying load land drilling applications where maximum power isneeded for short periods of time during initial starting or sudden overload. Refer to engine data sheet for additionalinformation.©2008 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. Specifications are subject to change without notice.S-1558a (11/08)

Standard equipmentAir inlet systemFactory installed heavy duty air cleanersFactory installed air inlet shutoff valveControl systemElectronic power module monitoringCooling systemBase mounted radiatorCorrosion resistant coating for jacket water andaftercooler coresDual coreHorizontal and vertical discharge systems availableAmbient capability up to 50 °C at rated power outputThermostat controlled outletsGear driven jacket water pumpDual outletAftercooler centrifugal pumpExhaust systemDry gas-tight exhaust manifoldsDual turbochargersVertical exhaust outletFlanged Exhaust fittingsFuel systemDirect Injection Cummins MCRS system for increasedreliabilitySkid Mounted Fuel filtersPre-filtering system availableInstrumentationElectronic instrument panel - left sideDC Power, warning and shutdown indicatorsAnalog gaugesOil pressureFuel filter differentialExhaust temperature (Left and Right Bank)Jacket Water TemperatureAftercooler Water TemperatureEngine speedDigital displayAir cleaner restriction warningHoursWarning and shutdown informationFault historyFuel consumptionStarting systemIngersoll Rand - 90 to 150 PSILube oil systemCrankcase breather - top mountedHigh capacity structural oil panOil filler and dipstickOil filter - spin-on typeProtection systemPowerCommand monitoring system provides warning orengine shutdown strategies to protect against adverseoperating conditions.Safety shutoff protection - electricalOil pressureWater temperatureOverspeedAftercooler temperatureAir inlet shutoff activated on overspeed or emergency stopAlarms - electricalOil pressureCoolant temperature (low and high)OverspeedAftercooler temperatureLow coolant levelAir inlet restrictionExhaust stack temperatureFuel filter differential pressureEmergency stopInstrument panel mounted - pushbutton typeRemote - capableMounting arrangementInner rail systemEngine and generator mounting groupsThree-point mounted to sub-baseVibration isolators at mounting pointsLift provisions on baseGeneratorTwo-bearing, 600 V, 60 Hz, 3-phase,0.7 pf, 6 wire,Wye connectedBrushless typeStandard anti-condensation heaterStandard winding RTDsStandard bearing RTDsFlywheels and flywheel housingsFlywheel - SAE 21Flywheel housing - SAE No. 00Coupling and generator hub©2008 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. Specifications are subject to change without notice.S-1558a (11/08)

Power module specificationGovernor regulation classISO8528 Part 1 Class G3Voltage regulation, no load to full load ± 0.5%Random voltage variation ± 0.5%Frequency regulationIsochronousRandom frequency variation ± 0.25%EngineEngine manufacturerCummins Inc.ModelQSK50 - DR1480Design4 cycle, V-block, turbocharged and after-cooledCylinder block configurationCast iron, 60°V, 16 cylinderAspirationTurbocharged and low temperature aftercooledGross engine power output 1480 hp (1104 kW m)Displacement 50.3 liter (3087 in 3 )Fuel systemDirect injection: number 2 diesel fuelFuel filterTriple element, 10 micron filtration, spin on fuel filters with waterseparatorStandard cooling system50 °C high ambient radiator with vertical or horizontal airflowdischargeEngine speed1200 rpmBrake mean effective pressure2193 kPa (318 psi)Compression ratio 15.0:1Piston speed6.3 m/s (1250 ft/min)Fuel systemInjection systemMaximum fuel inlet restrictionMaximum fuel flow to injection pumpMaximum return restrictionAirIntake combustion airflowMaximum air cleaner restrictionExhaustCummins MCRSClean filter - 5.0 in Hg (16.9 kPa)150 gal/hr (568 liter/hr)10 in Hg (33.8 kPa)88.5 m 3 /min (3125 scfm)15 in H 20 (3.7 kPa)Exhaust gas flow163 m 3 /min (5760 scfm)Exhaust gas temperature920 °F (495 °C)Max exhaust backpressure 6.7 kPa (27 in. H 2O)Radiated heat performanceRadiated heat to ambientExhaust heat rejectionAftercooler heat rejectionJacket water (JW) heat rejectionCoolingAmbient designFan loadCoolant capacity with radiatorCooling system air flowMaximum air flow static restrictionJacket water (JW) flow at max friction headMaximum friction head (JW)Aftercooler water flow at max friction headMaximum friction head (aftercooler)115 kWm (6340 BTU/min)905 kWm (51250 BTU/min)260 kWm (14710 BTU/min)425 kWm (24015 BTU/min)50 °C (122 °F)Vertical: 50 HP, horizontal: 49 HPVertical: 117 gallons, horizontal: 110 gallonsVertical: 47458 CFM, horizontal: 58367 CFMVertical: no additional external restriction allowed, horizontal: 0.75inches of Water300 gpm (18.9 liter/sec)10 psi (67 kPa)90 gpm (5.7 liter/sec)5 psi (34.4 kPa)©2008 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. Specifications are subject to change without notice.S-1558a (11/08)

Alternator specificationsAlternator manufacturerCummins Generator TechnologiesDesignBrushless, 6 pole, revolving fieldStator5/6 pitchRotor2-bearingInsulation systemClass HTemperature rise 80 ºC over 50 ºCAlternator coolingDirect drive centrifugal blower fanAC waveform total harmonic distortion< 5% no load to full linear load, < 3% for any single harmonicTelephone influence factor (TIF)< 50 per NEMA MG1-22.43Telephone harmonic factor (THF) < 3Technical dataRating1750 kVA (1225 kWe)Power factor 0.70Voltage (line-neutral/line-line)347/600 VCurrent1605 AFrequency60 HzPoles 6Speed1200 rpmOverspeed limit (60 seconds) 125%EnclosureIP23 with air inlet filterEfficienciesPowerfactor25%Load PU50%Load PU75%Load PU100%Load PU0.7 92.42 94.54 95.35 95.360.8 92.56 94.77 95.67 95.770.9 92.71 95.00 95.99 96.181.0 92.85 95.23 96.31 96.59Reactances (per unit)Saturated UnsaturatedSubtransient direct axis X"D 0.140 0.154Subtransient quadrature axis X”Q 0.154 0.154Transient direct axis X’D 0.230 0.230Transient quadrature axis X’Q 0.85 0.88Synchronous direct axis XD 1.59 1.77Synchronous quadrature axis XQ 0.85 0.88Negative sequence X2 0.148 0.162Zero sequence X0 0.042 0.046Time constraints (seconds)OC Transient —direct axis T'DO 2.35SC Transient —direct axis T'D 0.31SC Subtransient —direct axis T"D 0.015This outline drawing is for reference only. See respective modeldata sheet for specific model outline drawing number. Do not usefor installation designDimensions and weights (without cooling system)Dim “A”Dim “B”Dim “C”Set dry weight* Set wet weight*Modelmm (in.)mm (in.)mm (in.)kg (lbs)kg (lbs)DQGAC 5159(203.1) 2040(80.3) 1756(69.1) 13154 (29000) 14061 (31000)Note: Weights represent a set with standard features. See outline drawings for weights of other configurations.Cummins Inc.Telephone: 763 574 5000Fax: 763 574 5298Web: www.CumminsOilandGas.com©2008 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. Specifications are subject to change without notice.S-1558a (11/08)