Clone of pma_opt_olx | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by AHMEDNA8 on Sat, 25/04/2020 - 08:06

Duration:

00:00:50

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	121.815 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	277.568 RPM	n_nom
Nominal tip speed ratio	5.81041	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	8 mm	hr
Magnet width-to-pole pitch ratio	0.20626	ai
Inner-to-outer magnet radius	0.937235	kd
Flux density in airgap	0.606918 T	Bmax
Flux density on magnet surface	0.692581 T	Bmg
First harmonic of flux density in airgap	0.245783 T	Bp
Flux per pole (Calculated)	0.000623621 Wb	Flux_pole
Magnets on a rotor disk	20	magnet_num
Distance between magnets	110.735 mm	dist_magnet_Rin
Magnet mass	2430 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	8100 mm3	Vmag
Volume of all magnets	324000 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	956.417 mm	Dout
Average radius	462.973 mm	Ravg
Inner radius	447.973 mm	Rin
Outer radius	478.209 mm	Rout
Effective outer radius	477.973 mm	Rout_eff
Mass of rotor disks	90.4647 kgr	BackIronMass
Volume of rotor disks	11494.9 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	1.50137 T	SaturMAX
Is the magnet rotor disk saturated?	Yes	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	14 mm	tw
Number of phases	3	nphase
Number of coils per phase	5	q
Total number of coils in stator	15	coil_num
Number of turns per coil	19	Nc
Copper wire diameter	1.9 mm	dc
Number of wires at hand	8	No_wires_at_hand
Winding fill factor	0.38	kf
Copper wire cross-sectional area	22.64 mm2	sc
Copper wire cross-sectional area (Calculated)	20.5157 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.83 mm²	sc_multi_wires
Copper wire diameter (Calculated)	5.11221 mm	dc_theor
Coil leg width	81.6657 mm	wc
Average length of coil turn	335.272 mm	lavg
Stator nominal temperature	33.2301 C°	tc_real
Stator surface area	8214.06 cm²	stator_surface_area
Heat coefficient	0.0610392	cq_real
Current density	3.62468 A	Jmax_real
Resistivity of copper at nominal temperature	1.76404E-8 Ohm.m	pt
Resistance of a single coil	0.00496344 Ohm	Rc
Phase resistance	0.0248172 Ohm	Rphase
Phase inductance	0.000147581 H	Ls
Nagaoka constant	0.101833	Kn
Winding coefficient	0.95	kw
Volume of a single coil	383323 mm3	coil_volume
Weight of a single coil	1425.05 g	coil_weight_constr
Coil hole at Ravg	30 mm	coil_hole_Ravg
Coil hole at Rin	23.8123 mm	coil_hole_Rin_constr
Coil hole at Rout	36.3727 mm	coil_hole_Rout_constr
Coil mass for construction	22.8008 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	5.132 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	11.5619 V	EMF_nom
Current at the nominal wind speed	82.0628 A	Iac_nom
Terminal voltage at the nominal wind speed	8.4678 V	V_term_line
Nominal frequency	46.2613 Hz	fnom
Generator power (Calculated)	2084.67 W	Pnom
Copper losses (Calculated)	501.38 W	Pcopper
Eddy current losses (Calculated)	165.878 W	Peddy
Generator efficiency (Calculated)	0.740133	efficiency_real
AC Power at the rectifier (Calculated)	1876.21 W	Pnom_rect
DC Power at the batteries (Calculated)	1688.59 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)	64.6908 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	1053.34 EUR	Totalcost
Total generator mass	121.395 kgr	TotalMass
Total generator volume	38.7952 dm3	TotalVolume
Blade rotor mass	15.2925 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	280.034 EUR	Magcost
Magnet shipping cost	19.5652 EUR	shippingcost
Copper mass	19.34 kgr	mcu
Cost of copper	285.458 EUR	coppercost
Resin mass	9.16002 kgr	resinmass
Cost of resin	126.526 EUR	resincost
Resin volume	6735.31 cm3	ResinVolume
Total mass of one generator rotor	46.4474 kgr	TotalMassRotor
Cost of iron	111.272 EUR	ironcost
Surface area of moulds	1.57858 m2	woodS
Total cost of moulds	250.048 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6308.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.00m

Aerodynamic coefficient:

0.37

Cut-in wind speed:

3.00m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

8.50

Design TSR:

6.50

Air density:

1.225kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

NdFeB N52

Number of generator poles:

Magnet length:

30mm

Magnet width:

30mm

Magnet thickness:

9mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

8mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Keyhole

Winding fill factor:

Calculated

Stator thickness:

Calculated

Current density:

4.00A/mm2

System Inputs

System voltage:

12.00V

Nominal voltage:

18.00V

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