Submitted by Jonathan_purese... on Tue, 11/10/2022 - 18:22 Duration: 00:00:47Tabs Results Flux density in airgap plotFlux density on magnet surface plotFlux density in the magnet rotor disk Blade Rotor Outputs PropertyValueVariable name RPM at the cut-in wind speed (TSR)197.597 RPMn_cut_in RPM at the nominal wind speed (TSR)376.436 RPMn_nom Nominal tip speed ratio4.33403 tsr_nom Generator Rotor Outputs PropertyValueVariable name Rotor disk thickness6 mmhr Magnet width-to-pole pitch ratio0.77194 ai Inner-to-outer magnet radius0.681432 kd Flux density in airgap0.22636 TBmax Flux density on magnet surface0.229491 TBmg First harmonic of flux density in airgap0.234106 TBp Flux per pole (Calculated)0.000466198 WbFlux_pole Magnets on a rotor disk16 magnet_num Distance between magnets2 mmdist_magnet_Rin Magnet mass6400 gMagnetMass Magnet density5 g/cm3mag_density Volume of a single magnet40000 mm3Vmag Volume of all magnets1280000 mm3VolumeMagnet Remanent magnetic flux density0.39 TBr Magnetic coercivity227950 A/mHc Maximum Energy Product30 KJ/m³BHmax Outer diameter316.443 mmDout Average radius131.952 mmRavg Inner radius106.952 mmRin Outer radius158.221 mmRout Effective outer radius156.952 mmRout_eff Mass of rotor disks7.42738 kgrBackIronMass Volume of rotor disks943.758 cm3BackIronVolume Maximum flux density in the magnet rotor disk1.02581 TSaturMAX Is the magnet rotor disk saturated?No Saturation Generator Stator Outputs PropertyValueVariable name Stator thickness13 mmtw Number of phases3 nphase Number of coils per phase4 q Total number of coils in stator12 coil_num Number of turns per coil130 Nc Copper wire diameter1.18 mmdc Number of wires at hand1 No_wires_at_hand Winding fill factor0.54 kf Copper wire cross-sectional area1.09 mm2sc Copper wire cross-sectional area (Calculated)1.02466 mm²sc_theor Copper wire cross-sectional area of a sinlge wire1.09 mm²sc_multi_wires Copper wire diameter (Calculated)1.1425 mmdc_theor Coil leg width20.1852 mmwc Average length of coil turn204.58 mmlavg Stator nominal temperature57.8526 C°tc_real Stator surface area991.076 cm²stator_surface_area Heat coefficient0.193693 cq_real Current density5.35831 AJmax_real Resistivity of copper at nominal temperature1.92199E-8 Ohm.mpt Resistance of a single coil0.468955 OhmRc Phase resistance1.87582 OhmRphase Phase inductance0.00457525 HLs Nagaoka constant0.210225 Kn Winding coefficient0.724785 kw Volume of a single coil53683.3 mm3coil_volume Weight of a single coil263.149 gcoil_weight_constr Coil hole at Ravg24 mmcoil_hole_Ravg Coil hole at Rin8 mmcoil_hole_Rin_constr Coil hole at Rout40 mmcoil_hole_Rout_constr Coil mass for construction3.42093 kgrmcu_constr EMF at the cut-in wind speed (Calculated)20.528 VEMF_cut_in EMF at the nominal wind speed (Calculated)39.1613 VEMF_nom Current at the nominal wind speed5.84056 AIac_nom Terminal voltage at the nominal wind speed27.0499 VV_term_line Nominal frequency50.1914 Hzfnom Generator power (Calculated)473.96 WPnom Copper losses (Calculated)191.965 WPcopper Eddy current losses (Calculated)3.70005 WPeddy Generator efficiency (Calculated)0.692172 efficiency_real AC Power at the rectifier (Calculated)426.564 WPnom_rect DC Power at the batteries (Calculated)383.908 WPnom_dc Generator Bearing Hub Outputs PropertyValueVariable name Number of bolts on hub4 No_bolts_hub Mass of bearing hub3708.65 gBearingHubMass Rotational losses (Calculated)15.1179 WProt Costs, Mass and Volume PropertyValueVariable name Total generator cost233.05 EURTotalcost Total generator mass17.9935 kgrTotalMass Total generator volume5.42661 dm3TotalVolume Blade rotor mass2.54428 kgrblade_rotor_mass Softwood density500 kgr/m³softwood_density Cost of magnets103.231 EURMagcost Magnet shipping cost77.2947 EURshippingcost Copper mass3.10994 kgrmcu Cost of copper45.9027 EURcoppercost Resin mass1.05614 kgrresinmass Cost of resin14.5884 EURresincost Resin volume776.576 cm3ResinVolume Total mass of one generator rotor6.91369 kgrTotalMassRotor Cost of iron9.13568 EURironcost Surface area of moulds0.380001 m2woodS Total cost of moulds60.1922 EURwoodcost Output files Octave/Matlab variable file: simulation-7502.mat Input parameters Blade Rotor Inputs Turbine radius: 1.10mAerodynamic coefficient: 0.30Cut-in wind speed: 2.60m/sNominal wind speed: 10.00m/sCut-in TSR: 8.75Design TSR: 7.00Air density: 1.204kg/m³ Generator Rotor Inputs AFPM rotor topology: Double RotorMagnetic material: Ferrite C8Number of generator poles: 16Magnet length: 50mmMagnet width: 40mmMagnet thickness: 20mmRotor disk thickness: User DefinedRotor disk thickness: 6mmMechanical clearance: 2.00mm Generator Stator Inputs Select coil type: TriangularWinder bolt size: 8.00mmWinding fill factor: User definedWinding fill factor: 0.54Stator thickness: User definedStator thickness: 13mmCurrent density: 5.70A/mm2 System Inputs System voltage: 48.00VNominal voltage: 57.50VTransmission cable losses: 10.00%Rectifier losses: 10.00% Financial Copper price: 12.00€/kgIron price: 1.00€/kgResin price: 11.23€/kgPlywood price: 17.60 €/m² Simulation Inputs Also run UserAFPM: false Constants Copper resistivity: 1.678E-8 Ω·mCopper density: 8.94g/cm³Iron density: 7.87g/cm³Resin density: 1.36g/cm³ Comments Cool Permalink Submitted by Kostas on Wed, 12/10/2022 - 13:52 Cool Log in or register to post comments
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