Clone of 3m pour mada try10 | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by tieole on Sat, 25/02/2023 - 15:56

Duration:

00:00:45

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	114.65 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	335.402 RPM	n_nom
Nominal tip speed ratio	10.5316	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	10 mm	hr
Magnet width-to-pole pitch ratio	0.161235	ai
Inner-to-outer magnet radius	0.853317	kd
Flux density in airgap	0.490369 T	Bmax
Flux density on magnet surface	0.643835 T	Bmg
First harmonic of flux density in airgap	0.182947 T	Bp
Flux per pole (Calculated)	0.000644063 Wb	Flux_pole
Magnets on a rotor disk	16	magnet_num
Distance between magnets	94.225 mm	dist_magnet_Rin
Magnet mass	2400 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	10000 mm3	Vmag
Volume of all magnets	320000 mm3	VolumeMagnet
Remanent magnetic flux density	1.265 T	Br
Magnetic coercivity	982324 A/m	Hc
Maximum Energy Product	326 KJ/m³	BHmax
Outer diameter	682.037 mm	Dout
Average radius	315.872 mm	Ravg
Inner radius	290.872 mm	Rin
Outer radius	341.018 mm	Rout
Effective outer radius	340.872 mm	Rout_eff
Mass of rotor disks	57.5056 kgr	BackIronMass
Volume of rotor disks	7306.93 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	0.786871 T	SaturMAX
Is the magnet rotor disk saturated?	No	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	13 mm	tw
Number of phases	3	nphase
Number of coils per phase	4	q
Total number of coils in stator	12	coil_num
Number of turns per coil	124	Nc
Copper wire diameter	1.6 mm	dc
Number of wires at hand	2	No_wires_at_hand
Winding fill factor	0.58	kf
Copper wire cross-sectional area	4.02 mm2	sc
Copper wire cross-sectional area (Calculated)	3.59009 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.01 mm²	sc_multi_wires
Copper wire diameter (Calculated)	2.13854 mm	dc_theor
Coil leg width	66.1114 mm	wc
Average length of coil turn	347.59 mm	lavg
Stator nominal temperature	144.246 C°	tc_real
Stator surface area	5515.12 cm²	stator_surface_area
Heat coefficient	0.499019	cq_real
Current density	7.14447 A	Jmax_real
Resistivity of copper at nominal temperature	2.5932E-8 Ohm.m	pt
Resistance of a single coil	0.278035 Ohm	Rc
Phase resistance	1.11214 Ohm	Rphase
Phase inductance	0.00602694 H	Ls
Nagaoka constant	0.105439	Kn
Winding coefficient	0.95	kw
Volume of a single coil	298735 mm3	coil_volume
Weight of a single coil	1573.99 g	coil_weight_constr
Coil hole at Ravg	20 mm	coil_hole_Ravg
Coil hole at Rin	20 mm	coil_hole_Rin_constr
Coil hole at Rout	20 mm	coil_hole_Rout_constr
Coil mass for construction	20.4618 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	20.528 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	60.2674 V	EMF_nom
Current at the nominal wind speed	28.7208 A	Iac_nom
Terminal voltage at the nominal wind speed	27.2851 V	V_term_line
Nominal frequency	44.7203 Hz	fnom
Generator power (Calculated)	2350.95 W	Pnom
Copper losses (Calculated)	2752.15 W	Pcopper
Eddy current losses (Calculated)	15.5678 W	Peddy
Generator efficiency (Calculated)	0.45184	efficiency_real
AC Power at the rectifier (Calculated)	2115.86 W	Pnom_rect
DC Power at the batteries (Calculated)	1904.27 W	Pnom_dc

Generator Bearing Hub Outputs
Property	Value	Variable name
Number of bolts on hub	6	No_bolts_hub
Mass of bearing hub	14290.7 g	BearingHubMass
Rotational losses (Calculated)	84.3927 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	908.982 EUR	Totalcost
Total generator mass	85.1912 kgr	TotalMass
Total generator volume	21.5555 dm3	TotalVolume
Blade rotor mass	51.6121 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	227.164 EUR	Magcost
Magnet shipping cost	19.3237 EUR	shippingcost
Copper mass	18.588 kgr	mcu
Cost of copper	365.813 EUR	coppercost
Resin mass	6.6976 kgr	resinmass
Cost of resin	92.5133 EUR	resincost
Resin volume	4924.71 cm3	ResinVolume
Total mass of one generator rotor	29.9528 kgr	TotalMassRotor
Cost of iron	70.7318 EUR	ironcost
Surface area of moulds	0.964396 m2	woodS
Total cost of moulds	152.76 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-8128.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

3.00m

Aerodynamic coefficient:

0.30

Cut-in wind speed:

4.00m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

9.00

Design TSR:

6.00

Air density:

1.225kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

NdFeB N40

Number of generator poles:

Magnet length:

50mm

Magnet width:

20mm

Magnet thickness:

10mm

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:

0.58

Stator thickness:

User defined

Stator thickness:

13mm

Current density:

8.00A/mm2

System Inputs

System voltage:

48.00V

Nominal voltage:

58.00V

Transmission cable losses:

10.00%

Rectifier losses:

10.00%

Financial

Copper price:

16.00€/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