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

Submitted by AHMEDNA8 on Mon, 27/04/2020 - 09:10

Duration:

00:01:13

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)	273.895 RPM	n_nom
Nominal tip speed ratio	9.55588	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	8 mm	hr
Magnet width-to-pole pitch ratio	0.223967	ai
Inner-to-outer magnet radius	0.868528	kd
Flux density in airgap	0.142766 T	Bmax
Flux density on magnet surface	0.194695 T	Bmg
First harmonic of flux density in airgap	0.0806928 T	Bp
Flux per pole (Calculated)	0.000194925 Wb	Flux_pole
Magnets on a rotor disk	16	magnet_num
Distance between magnets	78.7697 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	609.008 mm	Dout
Average radius	284.247 mm	Ravg
Inner radius	264.247 mm	Rin
Outer radius	304.504 mm	Rout
Effective outer radius	304.247 mm	Rout_eff
Mass of rotor disks	36.6801 kgr	BackIronMass
Volume of rotor disks	4660.75 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	0.436404 T	SaturMAX
Is the magnet rotor disk saturated?	No	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	21 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	102	Nc
Copper wire diameter	1.6 mm	dc
Number of wires at hand	3	No_wires_at_hand
Winding fill factor	0.48	kf
Copper wire cross-sectional area	6.03 mm2	sc
Copper wire cross-sectional area (Calculated)	5.57559 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.01 mm²	sc_multi_wires
Copper wire diameter (Calculated)	2.66508 mm	dc_theor
Coil leg width	61.628 mm	wc
Average length of coil turn	294.647 mm	lavg
Stator nominal temperature	34.3171 C°	tc_real
Stator surface area	4358.05 cm²	stator_surface_area
Heat coefficient	0.0679335	cq_real
Current density	2.77393 A	Jmax_real
Resistivity of copper at nominal temperature	1.76923E-8 Ohm.m	pt
Resistance of a single coil	0.0881801 Ohm	Rc
Phase resistance	0.352721 Ohm	Rphase
Phase inductance	0.00291831 H	Ls
Nagaoka constant	0.169623	Kn
Winding coefficient	0.95	kw
Volume of a single coil	381329 mm3	coil_volume
Weight of a single coil	1651.93 g	coil_weight_constr
Coil hole at Ravg	25 mm	coil_hole_Ravg
Coil hole at Rin	14.6016 mm	coil_hole_Rin_constr
Coil hole at Rout	35.5272 mm	coil_hole_Rout_constr
Coil mass for construction	21.475 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	5.132 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	12.2523 V	EMF_nom
Current at the nominal wind speed	16.7268 A	Iac_nom
Terminal voltage at the nominal wind speed	5.6452 V	V_term_line
Nominal frequency	36.5193 Hz	fnom
Generator power (Calculated)	283.278 W	Pnom
Copper losses (Calculated)	296.058 W	Pcopper
Eddy current losses (Calculated)	4.69864 W	Peddy
Generator efficiency (Calculated)	0.457765	efficiency_real
AC Power at the rectifier (Calculated)	254.95 W	Pnom_rect
DC Power at the batteries (Calculated)	229.455 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)	34.7939 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	637.189 EUR	Totalcost
Total generator mass	67.723 kgr	TotalMass
Total generator volume	24.1776 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	19.4419 kgr	mcu
Cost of copper	286.962 EUR	coppercost
Resin mass	8.40096 kgr	resinmass
Cost of resin	116.042 EUR	resincost
Resin volume	6177.18 cm3	ResinVolume
Total mass of one generator rotor	19.9401 kgr	TotalMassRotor
Cost of iron	45.1165 EUR	ironcost
Surface area of moulds	0.826295 m2	woodS
Total cost of moulds	130.885 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6334.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.00m

Aerodynamic coefficient:

0.37

Cut-in wind speed:

3.00m/s

Nominal wind speed:

6.00m/s

Cut-in TSR:

8.00

Design TSR:

6.00

Air density:

1.225kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

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:

Keyhole

Winding fill factor:

Calculated

Stator thickness:

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