Clone of PMA-1.002 | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by AHMEDNA8 on Fri, 31/07/2020 - 17:47

Duration:

00:00:01

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	117.038 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	909.626 RPM	n_nom
Nominal tip speed ratio	23.8019	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	10 mm	hr
Magnet width-to-pole pitch ratio	0.742426	ai
Inner-to-outer magnet radius	0.577006	kd
Flux density in airgap	0.54 T	Bmax
Flux density on magnet surface	0.62 T	Bmg
First harmonic of flux density in airgap	0.4 T	Bp
Flux per pole (Calculated)	0.000713 Wb	Flux_pole
Magnets on a rotor disk	16	magnet_num
Distance between magnets	-0.3587 mm	dist_magnet_Rin
Magnet mass	3588 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	14950 mm3	Vmag
Volume of all magnets	478400 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	218.929 mm	Dout
Average radius	85.7485 mm	Ravg
Inner radius	62.7485 mm	Rin
Outer radius	109.465 mm	Rout
Effective outer radius	108.749 mm	Rout_eff
Mass of rotor disks	5.92518 kgr	BackIronMass
Volume of rotor disks	752.882 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	27	Nc
Copper wire diameter	1.8 mm	dc
Number of wires at hand	1	No_wires_at_hand
Winding fill factor	0.55	kf
Copper wire cross-sectional area	2.54 mm2	sc
Copper wire cross-sectional area (Calculated)	2.466 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.54 mm²	sc_multi_wires
Copper wire diameter (Calculated)	1.7724 mm	dc_theor
Coil leg width	9.68752 mm	wc
Average length of coil turn	162.083 mm	lavg
Stator nominal temperature	53.8008 C°	tc_real
Stator surface area	376.843 cm²	stator_surface_area
Heat coefficient	0.174475	cq_real
Current density	4.85433 A	Jmax_real
Resistivity of copper at nominal temperature	2.09179E-8 Ohm.m	pt
Resistance of a single coil	0.03604 Ohm	Rc
Phase resistance	0.14416 Ohm	Rphase
Phase inductance	0.000166837 H	Ls
Nagaoka constant	0.283123	Kn
Winding coefficient	0.95	kw
Volume of a single coil	20412.3 mm3	coil_volume
Weight of a single coil	106.735 g	coil_weight_constr
Coil hole at Ravg	25 mm	coil_hole_Ravg
Coil hole at Rin	12.9569 mm	coil_hole_Rin_constr
Coil hole at Rout	36.8864 mm	coil_hole_Rout_constr
Coil mass for construction	1.38755 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	5.132 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	39.3988 V	EMF_nom
Current at the nominal wind speed	12.33 A	Iac_nom
Terminal voltage at the nominal wind speed	31.519 V	V_term_line
Nominal frequency	121.283 Hz	fnom
Generator power (Calculated)	1165.89 W	Pnom
Copper losses (Calculated)	65.7495 W	Pcopper
Eddy current losses (Calculated)	64.1377 W	Peddy
Generator efficiency (Calculated)	0.859747	efficiency_real
AC Power at the rectifier (Calculated)	1049.3 W	Pnom_rect
DC Power at the batteries (Calculated)	944.371 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)	60.3084 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	493.881 EUR	Totalcost
Total generator mass	11.7445 kgr	TotalMass
Total generator volume	2.37158 dm3	TotalVolume
Blade rotor mass	15.2925 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	411.988 EUR	Magcost
Magnet shipping cost	28.8889 EUR	shippingcost
Copper mass	1.19248 kgr	mcu
Cost of copper	17.6011 EUR	coppercost
Resin mass	1.03881 kgr	resinmass
Cost of resin	14.349 EUR	resincost
Resin volume	763.833 cm3	ResinVolume
Total mass of one generator rotor	4.75659 kgr	TotalMassRotor
Cost of iron	7.28797 EUR	ironcost
Surface area of moulds	0.269287 m2	woodS
Total cost of moulds	42.6551 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6486.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.00m

Aerodynamic coefficient:

0.37

Cut-in wind speed:

2.80m/s

Nominal wind speed:

8.00m/s

Cut-in TSR:

8.75

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:

46mm

Magnet width:

25mm

Magnet thickness:

13mm

Rotor disk thickness:

Calculated

Mechanical clearance:

2.00mm

Generator Stator Inputs

Select coil type:

Keyhole

Winding fill factor:

User defined

Winding fill factor:

0.55

Stator thickness:

Calculated

Current density:

5.00A/mm2

System Inputs

System voltage:

12.00V

Nominal voltage:

67.00V

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