Clone of 2.4m 12 pole 46x30x10 N52 | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by gbroques on Sun, 22/12/2024 - 04:33

Duration:

00:01:08

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	104.498 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	139.242 RPM	n_nom
Nominal tip speed ratio	3.49775	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	10 mm	hr
Magnet width-to-pole pitch ratio	0.525925	ai
Inner-to-outer magnet radius	0.626706	kd
Flux density in airgap	0.868588 T	Bmax
Flux density on magnet surface	0.863477 T	Bmg
First harmonic of flux density in airgap	0.739735 T	Bp
Flux per pole (Calculated)	0.00524318 Wb	Flux_pole
Magnets on a rotor disk	12	magnet_num
Distance between magnets	27.9047 mm	dist_magnet_Rin
Magnet mass	16200 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	90000 mm3	Vmag
Volume of all magnets	2160000 mm3	VolumeMagnet
Remanent magnetic flux density	1.45 T	Br
Magnetic coercivity	1120020 A/m	Hc
Maximum Energy Product	422 KJ/m³	BHmax
Outer diameter	539.12 mm	Dout
Average radius	217.886 mm	Ravg
Inner radius	167.886 mm	Rin
Outer radius	269.56 mm	Rout
Effective outer radius	267.886 mm	Rout_eff
Mass of rotor disks	35.9307 kgr	BackIronMass
Volume of rotor disks	4565.53 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	2.85102 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	3	q
Total number of coils in stator	9	coil_num
Number of turns per coil	15	Nc
Copper wire diameter	1.7 mm	dc
Number of wires at hand	6	No_wires_at_hand
Winding fill factor	0.55	kf
Copper wire cross-sectional area	13.62 mm2	sc
Copper wire cross-sectional area (Calculated)	13.0934 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.27 mm²	sc_multi_wires
Copper wire diameter (Calculated)	4.08405 mm	dc_theor
Coil leg width	28.5734 mm	wc
Average length of coil turn	409.721 mm	lavg
Stator nominal temperature	67.596 C°	tc_real
Stator surface area	2107.28 cm²	stator_surface_area
Heat coefficient	0.237049	cq_real
Current density	5.76802 A	Jmax_real
Resistivity of copper at nominal temperature	1.993E-8 Ohm.m	pt
Resistance of a single coil	0.00899311 Ohm	Rc
Phase resistance	0.0269793 Ohm	Rphase
Phase inductance	0.000116203 H	Ls
Nagaoka constant	0.133316	Kn
Winding coefficient	0.95	kw
Volume of a single coil	152193 mm3	coil_volume
Weight of a single coil	848.108 g	coil_weight_constr
Coil hole at Ravg	60 mm	coil_hole_Ravg
Coil hole at Rin	60 mm	coil_hole_Rin_constr
Coil hole at Rout	60 mm	coil_hole_Rout_constr
Coil mass for construction	8.48108 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	10.264 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	13.8594 V	EMF_nom
Current at the nominal wind speed	78.5604 A	Iac_nom
Terminal voltage at the nominal wind speed	11.2904 V	V_term_line
Nominal frequency	13.9242 Hz	fnom
Generator power (Calculated)	2660.94 W	Pnom
Copper losses (Calculated)	499.528 W	Pcopper
Eddy current losses (Calculated)	77.4895 W	Peddy
Generator efficiency (Calculated)	0.815699	efficiency_real
AC Power at the rectifier (Calculated)	2394.84 W	Pnom_rect
DC Power at the batteries (Calculated)	2155.36 W	Pnom_dc

Generator Bearing Hub Outputs
Property	Value	Variable name
Number of bolts on hub	5	No_bolts_hub
Mass of bearing hub	8344.46 g	BearingHubMass
Rotational losses (Calculated)	24.2004 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	2182.39 EUR	Totalcost
Total generator mass	64.2055 kgr	TotalMass
Total generator volume	15.7511 dm3	TotalVolume
Blade rotor mass	26.4254 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	1853.5 EUR	Magcost
Magnet shipping cost	130.435 EUR	shippingcost
Copper mass	6.73498 kgr	mcu
Cost of copper	99.4083 EUR	coppercost
Resin mass	5.33982 kgr	resinmass
Cost of resin	73.7584 EUR	resincost
Resin volume	3926.34 cm3	ResinVolume
Total mass of one generator rotor	26.0654 kgr	TotalMassRotor
Cost of iron	44.1948 EUR	ironcost
Surface area of moulds	0.704123 m2	woodS
Total cost of moulds	111.533 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-9581.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.40m

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:

NdFeB N52

Number of generator poles:

Magnet length:

100mm

Magnet width:

60mm

Magnet thickness:

15mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

10mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Rectangular

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