Clone of Clone of PMA-OPT-2 | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by AHMEDNA8 on Sat, 25/04/2020 - 13:52

Duration:

00:00:02

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)	157.7 RPM	n_nom
Nominal tip speed ratio	3.66798	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	8 mm	hr
Magnet width-to-pole pitch ratio	0.0457385	ai
Inner-to-outer magnet radius	0.971669	kd
Flux density in airgap	0.096 T	Bmax
Flux density on magnet surface	0.176 T	Bmg
First harmonic of flux density in airgap	0.1 T	Bp
Flux per pole (Calculated)	0.000176 Wb	Flux_pole
Magnets on a rotor disk	16	magnet_num
Distance between magnets	513.732 mm	dist_magnet_Rin
Magnet mass	3200 g	MagnetMass
Magnet density	5 g/cm3	mag_density
Volume of a single magnet	20000 mm3	Vmag
Volume of all magnets	640000 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	2823.85 mm	Dout
Average radius	1391.87 mm	Ravg
Inner radius	1371.87 mm	Rin
Outer radius	1411.92 mm	Rout
Effective outer radius	1411.87 mm	Rout_eff
Mass of rotor disks	788.619 kgr	BackIronMass
Volume of rotor disks	100206 cm3	BackIronVolume

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	113	Nc
Copper wire diameter	1.9 mm	dc
Number of wires at hand	8	No_wires_at_hand
Winding fill factor	0.57	kf
Copper wire cross-sectional area	22.72 mm2	sc
Copper wire cross-sectional area (Calculated)	32.6733 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.84 mm²	sc_multi_wires
Copper wire diameter (Calculated)	6.45151 mm	dc_theor
Coil leg width	346.472 mm	wc
Average length of coil turn	1217.92 mm	lavg
Stator nominal temperature	47.761 C°	tc_real
Stator surface area	101274 cm²	stator_surface_area
Heat coefficient	0.144251	cq_real
Current density	4.31426 A	Jmax_real
Resistivity of copper at nominal temperature	2.09179E-8 Ohm.m	pt
Resistance of a single coil	0.126709 Ohm	Rc
Phase resistance	0.506837 Ohm	Rphase
Phase inductance	0.0155914 H	Ls
Nagaoka constant	0.026753	Kn
Winding coefficient	0.95	kw
Volume of a single coil	5485700 mm3	coil_volume
Weight of a single coil	28448.8 g	coil_weight_constr
Coil hole at Ravg	25 mm	coil_hole_Ravg
Coil hole at Rin	25 mm	coil_hole_Rin_constr
Coil hole at Rout	25 mm	coil_hole_Rout_constr
Coil mass for construction	369.834 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	5.132 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	7.0565 V	EMF_nom
Current at the nominal wind speed	98.0199 A	Iac_nom
Terminal voltage at the nominal wind speed	5.6452 V	V_term_line
Nominal frequency	21.0267 Hz	fnom
Generator power (Calculated)	1660.03 W	Pnom
Copper losses (Calculated)	14608.9 W	Pcopper
Eddy current losses (Calculated)	76.9746 W	Peddy
Generator efficiency (Calculated)	0.0999828	efficiency_real
AC Power at the rectifier (Calculated)	1494.02 W	Pnom_rect
DC Power at the batteries (Calculated)	1344.62 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)	257.195 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	8145.45 EUR	Totalcost
Total generator mass	1172.18 kgr	TotalMass
Total generator volume	344.457 dm3	TotalVolume
Blade rotor mass	15.2925 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	58.1833 EUR	Magcost
Magnet shipping cost	38.6473 EUR	shippingcost
Copper mass	335.448 kgr	mcu
Cost of copper	4951.21 EUR	coppercost
Resin mass	44.9087 kgr	resinmass
Cost of resin	620.32 EUR	resincost
Resin volume	33021.1 cm3	ResinVolume
Total mass of one generator rotor	395.91 kgr	TotalMassRotor
Cost of iron	970.002 EUR	ironcost
Surface area of moulds	9.75843 m2	woodS
Total cost of moulds	1545.73 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6312.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.00m

Aerodynamic coefficient:

0.37

Cut-in wind speed:

3.00m/s

Nominal wind speed:

9.00m/s

Cut-in TSR:

8.00

Design TSR:

6.50

Air density:

1.225kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Single Rotor with metal disk

Magnetic material:

Ferrite C8

Number of generator poles:

Magnet length:

40mm

Magnet width:

25mm

Magnet thickness:

20mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

8mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Rectangular

Winding fill factor:

Calculated

Current density:

3.00A/mm2

System Inputs

System voltage:

12.00V

Nominal voltage:

12.00V

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