4F 8 pole 150x100x50 | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by gbroques on Sat, 21/12/2024 - 22:53

Duration:

00:02:01

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	167.197 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	280.215 RPM	n_nom
Nominal tip speed ratio	4.39938	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	10 mm	hr
Magnet width-to-pole pitch ratio	0.627333	ai
Inner-to-outer magnet radius	0.460355	kd
Flux density in airgap	0.312078 T	Bmax
Flux density on magnet surface	0.300547 T	Bmg
First harmonic of flux density in airgap	0.303699 T	Bp
Flux per pole (Calculated)	0.00465175 Wb	Flux_pole
Magnets on a rotor disk	8	magnet_num
Distance between magnets	0.5 mm	dist_magnet_Rin
Magnet mass	60000 g	MagnetMass
Magnet density	5 g/cm3	mag_density
Volume of a single magnet	750000 mm3	Vmag
Volume of all magnets	12000000 mm3	VolumeMagnet
Remanent magnetic flux density	0.39 T	Br
Magnetic coercivity	227950 A/m	Hc
Maximum Energy Product	30 KJ/m³	BHmax
Outer diameter	564.844 mm	Dout
Average radius	202.961 mm	Ravg
Inner radius	127.961 mm	Rin
Outer radius	282.422 mm	Rout
Effective outer radius	277.961 mm	Rout_eff
Mass of rotor disks	39.4413 kgr	BackIronMass
Volume of rotor disks	5011.6 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	1.70924 T	SaturMAX
Is the magnet rotor disk saturated?	Yes	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	13 mm	tw
Number of phases	3	nphase
Number of coils per phase	2	q
Total number of coils in stator	6	coil_num
Number of turns per coil	38	Nc
Copper wire diameter	1.7 mm	dc
Number of wires at hand	2	No_wires_at_hand
Winding fill factor	0.55	kf
Copper wire cross-sectional area	4.54 mm2	sc
Copper wire cross-sectional area (Calculated)	4.10897 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.27 mm²	sc_multi_wires
Copper wire diameter (Calculated)	2.28787 mm	dc_theor
Coil leg width	24.1287 mm	wc
Average length of coil turn	644.68 mm	lavg
Stator nominal temperature	60.2713 C°	tc_real
Stator surface area	1866.63 cm²	stator_surface_area
Heat coefficient	0.20481	cq_real
Current density	5.43036 A	Jmax_real
Resistivity of copper at nominal temperature	1.94276E-8 Ohm.m	pt
Resistance of a single coil	0.104831 Ohm	Rc
Phase resistance	0.209662 Ohm	Rphase
Phase inductance	0.000948169 H	Ls
Nagaoka constant	0.102694	Kn
Winding coefficient	0.588233	kw
Volume of a single coil	202218 mm3	coil_volume
Weight of a single coil	1046.64 g	coil_weight_constr
Coil hole at Ravg	54 mm	coil_hole_Ravg
Coil hole at Rin	8 mm	coil_hole_Rin_constr
Coil hole at Rout	100 mm	coil_hole_Rout_constr
Coil mass for construction	7.32648 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	10.264 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	17.2514 V	EMF_nom
Current at the nominal wind speed	24.6538 A	Iac_nom
Terminal voltage at the nominal wind speed	11.2904 V	V_term_line
Nominal frequency	18.681 Hz	fnom
Generator power (Calculated)	835.055 W	Pnom
Copper losses (Calculated)	382.305 W	Pcopper
Eddy current losses (Calculated)	6.017 W	Peddy
Generator efficiency (Calculated)	0.649949	efficiency_real
AC Power at the rectifier (Calculated)	751.549 W	Pnom_rect
DC Power at the batteries (Calculated)	676.394 W	Pnom_dc

Generator Bearing Hub Outputs
Property	Value	Variable name
Number of bolts on hub	4	No_bolts_hub
Mass of bearing hub	3708.65 g	BearingHubMass
Rotational losses (Calculated)	61.424 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	1035.51 EUR	Totalcost
Total generator mass	100.286 kgr	TotalMass
Total generator volume	34.8306 dm3	TotalVolume
Blade rotor mass	6.45151 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	851.206 EUR	Magcost
Magnet shipping cost	724.638 EUR	shippingcost
Copper mass	5.96585 kgr	mcu
Cost of copper	88.0559 EUR	coppercost
Resin mass	-5.12099 kgr	resinmass
Cost of resin	-70.7358 EUR	resincost
Resin volume	-3765.44 cm3	ResinVolume
Total mass of one generator rotor	49.7206 kgr	TotalMassRotor
Cost of iron	48.5128 EUR	ironcost
Surface area of moulds	0.747954 m2	woodS
Total cost of moulds	118.476 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-9571.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

1.50m

Aerodynamic coefficient:

0.30

Cut-in wind speed:

3.00m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

8.75

Design TSR:

7.00

Air density:

1.204kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

Ferrite C8

Number of generator poles:

Magnet length:

150mm

Magnet width:

100mm

Magnet thickness:

50mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

10mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Triangular

Winder bolt size:

8.00mm

Winding fill factor:

User defined

Winding fill factor:

0.55

Stator thickness:

User defined

Stator thickness:

13mm

Current density:

6.00A/mm2

System Inputs

System voltage:

24.00V

Nominal voltage:

24.00V

Transmission cable losses:

10.00%

Rectifier losses:

10.00%

Financial

Copper price:

12.00€/kg

Iron price:

1.00€/kg

Resin price:

11.23€/kg

Plywood price:

17.60 €/m²

Simulation Inputs

Also run UserAFPM:

false

Constants

Copper resistivity:

1.678E-8 Ω·m

Copper density:

8.94g/cm³

Iron density:

7.87g/cm³

Resin density:

1.36g/cm³