Clone of 0.6 6 46x30x10 4 Rectangular 48V | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by deepaklathi on Sat, 18/02/2023 - 09:20

Duration:

00:02:41

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	298.567 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	1123.08 RPM	n_nom
Nominal tip speed ratio	7.05296	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	10 mm	hr
Magnet width-to-pole pitch ratio	0.252153	ai
Inner-to-outer magnet radius	0.53414	kd
Flux density in airgap	0.0579427 T	Bmax
Flux density on magnet surface	0.401505 T	Bmg
First harmonic of flux density in airgap	0.0438011 T	Bp
Flux per pole (Calculated)	0.00056663 Wb	Flux_pole
Magnets on a rotor disk	4	magnet_num
Distance between magnets	52.8471 mm	dist_magnet_Rin
Magnet mass	828 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	13800 mm3	Vmag
Volume of all magnets	110400 mm3	VolumeMagnet
Remanent magnetic flux density	1.265 T	Br
Magnetic coercivity	982324 A/m	Hc
Maximum Energy Product	326 KJ/m³	BHmax
Outer diameter	199.75 mm	Dout
Average radius	75.7421 mm	Ravg
Inner radius	52.7421 mm	Rin
Outer radius	99.8749 mm	Rout
Effective outer radius	98.7421 mm	Rout_eff
Mass of rotor disks	2.46625 kgr	BackIronMass
Volume of rotor disks	313.374 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	0.758197 T	SaturMAX
Is the magnet rotor disk saturated?	No	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	69 mm	tw
Number of phases	3	nphase
Number of coils per phase	1	q
Total number of coils in stator	3	coil_num
Number of turns per coil	3953	Nc
Copper wire diameter	0.71 mm	dc
Number of wires at hand	1	No_wires_at_hand
Winding fill factor	0.57	kf
Copper wire cross-sectional area	0.4 mm2	sc
Copper wire cross-sectional area (Calculated)	0.146886 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	0.4 mm²	sc_multi_wires
Copper wire diameter (Calculated)	0.432569 mm	dc_theor
Coil leg width	40.2034 mm	wc
Average length of coil turn	278.239 mm	lavg
Stator nominal temperature	56.4944 C°	tc_real
Stator surface area	671.169 cm²	stator_surface_area
Heat coefficient	0.187337	cq_real
Current density	2.20329 A	Jmax_real
Resistivity of copper at nominal temperature	1.9624E-8 Ohm.m	pt
Resistance of a single coil	53.96 Ohm	Rc
Phase resistance	53.96 Ohm	Rphase
Phase inductance	0.743665 H	Ls
Nagaoka constant	0.424168	Kn
Winding coefficient	0.207365	kw
Volume of a single coil	771844 mm3	coil_volume
Weight of a single coil	3935.15 g	coil_weight_constr
Coil hole at Ravg	30 mm	coil_hole_Ravg
Coil hole at Rin	30 mm	coil_hole_Rin_constr
Coil hole at Rout	30 mm	coil_hole_Rout_constr
Coil mass for construction	15.7406 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	20.528 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	77.2142 V	EMF_nom
Current at the nominal wind speed	0.881316 A	Iac_nom
Terminal voltage at the nominal wind speed	22.5808 V	V_term_line
Nominal frequency	37.4361 Hz	fnom
Generator power (Calculated)	59.7025 W	Pnom
Copper losses (Calculated)	125.735 W	Pcopper
Eddy current losses (Calculated)	0.0101426 W	Peddy
Generator efficiency (Calculated)	0.295404	efficiency_real
AC Power at the rectifier (Calculated)	53.7322 W	Pnom_rect
DC Power at the batteries (Calculated)	48.359 W	Pnom_dc

Generator Bearing Hub Outputs
Property	Value	Variable name
Number of bolts on hub	4	No_bolts_hub
Mass of bearing hub	3708.65 g	BearingHubMass
Rotational losses (Calculated)	16.6571 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	419.958 EUR	Totalcost
Total generator mass	24.2411 kgr	TotalMass
Total generator volume	2.88304 dm3	TotalVolume
Blade rotor mass	0.412897 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	76.8515 EUR	Magcost
Magnet shipping cost	6.66667 EUR	shippingcost
Copper mass	11.7995 kgr	mcu
Cost of copper	174.16 EUR	coppercost
Resin mass	9.1474 kgr	resinmass
Cost of resin	126.352 EUR	resincost
Resin volume	6726.03 cm3	ResinVolume
Total mass of one generator rotor	3.29425 kgr	TotalMassRotor
Cost of iron	3.03349 EUR	ironcost
Surface area of moulds	0.24975 m2	woodS
Total cost of moulds	39.5604 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-8101.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

0.60m

Aerodynamic coefficient:

0.30

Cut-in wind speed:

3.00m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

6.25

Design TSR:

5.00

Air density:

1.204kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Single Rotor

Magnetic material:

NdFeB N40

Number of generator poles:

Magnet length:

46mm

Magnet width:

30mm

Magnet thickness:

10mm

Rotor disk thickness:

Calculated

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Rectangular

Winding fill factor:

Calculated

Current density:

6.00A/mm2

System Inputs

System voltage:

48.00V

Nominal voltage:

48.00V

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