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

Submitted by AHMEDNA8 on Sat, 25/04/2020 - 08:09

Duration:

00:00:29

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)	280.808 RPM	n_nom
Nominal tip speed ratio	5.87825	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	8 mm	hr
Magnet width-to-pole pitch ratio	0.334837	ai
Inner-to-outer magnet radius	0.900064	kd
Flux density in airgap	0.607014 T	Bmax
Flux density on magnet surface	0.692726 T	Bmg
First harmonic of flux density in airgap	0.380035 T	Bp
Flux per pole (Calculated)	0.000624693 Wb	Flux_pole
Magnets on a rotor disk	20	magnet_num
Distance between magnets	54.8835 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	601.134 mm	Dout
Average radius	285.192 mm	Ravg
Inner radius	270.192 mm	Rin
Outer radius	300.567 mm	Rout
Effective outer radius	300.192 mm	Rout_eff
Mass of rotor disks	35.7378 kgr	BackIronMass
Volume of rotor disks	4541.01 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	1.5036 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	1.7 mm	dc
Number of wires at hand	6	No_wires_at_hand
Winding fill factor	0.42	kf
Copper wire cross-sectional area	13.62 mm2	sc
Copper wire cross-sectional area (Calculated)	13.4961 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.27 mm²	sc_multi_wires
Copper wire diameter (Calculated)	4.14638 mm	dc_theor
Coil leg width	44.4503 mm	wc
Average length of coil turn	231.016 mm	lavg
Stator nominal temperature	58.5055 C°	tc_real
Stator surface area	3080.61 cm²	stator_surface_area
Heat coefficient	0.196719	cq_real
Current density	5.94541 A	Jmax_real
Resistivity of copper at nominal temperature	1.91186E-8 Ohm.m	pt
Resistance of a single coil	0.00616133 Ohm	Rc
Phase resistance	0.0308066 Ohm	Rphase
Phase inductance	0.000107218 H	Ls
Nagaoka constant	0.155824	Kn
Winding coefficient	0.95	kw
Volume of a single coil	143762 mm3	coil_volume
Weight of a single coil	590.711 g	coil_weight_constr
Coil hole at Ravg	30 mm	coil_hole_Ravg
Coil hole at Rin	23.7697 mm	coil_hole_Rin_constr
Coil hole at Rout	36.3215 mm	coil_hole_Rout_constr
Coil mass for construction	9.45138 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	5.132 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	11.717 V	EMF_nom
Current at the nominal wind speed	80.9765 A	Iac_nom
Terminal voltage at the nominal wind speed	8.4678 V	V_term_line
Nominal frequency	46.8014 Hz	fnom
Generator power (Calculated)	2057.08 W	Pnom
Copper losses (Calculated)	606.016 W	Pcopper
Eddy current losses (Calculated)	162.073 W	Peddy
Generator efficiency (Calculated)	0.719289	efficiency_real
AC Power at the rectifier (Calculated)	1851.37 W	Pnom_rect
DC Power at the batteries (Calculated)	1666.23 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)	34.7105 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	637.236 EUR	Totalcost
Total generator mass	50.9837 kgr	TotalMass
Total generator volume	15.3259 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	8.01679 kgr	mcu
Cost of copper	118.328 EUR	coppercost
Resin mass	4.79912 kgr	resinmass
Cost of resin	66.2898 EUR	resincost
Resin volume	3528.77 cm3	ResinVolume
Total mass of one generator rotor	19.0839 kgr	TotalMassRotor
Cost of iron	43.9574 EUR	ironcost
Surface area of moulds	0.812043 m2	woodS
Total cost of moulds	128.628 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6309.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:

6.00A/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