Hyki 4.34F 48V - 44 poles - Dout 80cm | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by Kostas on Sun, 06/07/2025 - 11:34

Duration:

00:00:54

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	83.2135 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	172.215 RPM	n_nom
Nominal tip speed ratio	3.91147	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	8 mm	hr
Magnet width-to-pole pitch ratio	0.895175	ai
Inner-to-outer magnet radius	0.825029	kd
Flux density in airgap	0.208674 T	Bmax
Flux density on magnet surface	0.212758 T	Bmg
First harmonic of flux density in airgap	0.220378 T	Bp
Flux per pole (Calculated)	0.000800149 Wb	Flux_pole
Magnets on a rotor disk	44	magnet_num
Distance between magnets	0.5 mm	dist_magnet_Rin
Magnet mass	33000 g	MagnetMass
Magnet density	5 g/cm3	mag_density
Volume of a single magnet	75000 mm3	Vmag
Volume of all magnets	6600000 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	858.741 mm	Dout
Average radius	391.142 mm	Ravg
Inner radius	353.642 mm	Rin
Outer radius	429.371 mm	Rout
Effective outer radius	428.642 mm	Rout_eff
Mass of rotor disks	72.9305 kgr	BackIronMass
Volume of rotor disks	9266.9 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	0.93498 T	SaturMAX
Is the magnet rotor disk saturated?	No	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	15 mm	tw
Number of phases	3	nphase
Number of coils per phase	11	q
Total number of coils in stator	33	coil_num
Number of turns per coil	29	Nc
Copper wire diameter	1.7 mm	dc
Number of wires at hand	1	No_wires_at_hand
Winding fill factor	0.52	kf
Copper wire cross-sectional area	2.27 mm2	sc
Copper wire cross-sectional area (Calculated)	2.14956 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.27 mm²	sc_multi_wires
Copper wire diameter (Calculated)	1.65478 mm	dc_theor
Coil leg width	8.43974 mm	wc
Average length of coil turn	258.547 mm	lavg
Stator nominal temperature	191.215 C°	tc_real
Stator surface area	1440.16 cm²	stator_surface_area
Heat coefficient	0.623144	cq_real
Current density	7.57554 A	Jmax_real
Resistivity of copper at nominal temperature	2.78417E-8 Ohm.m	pt
Resistance of a single coil	0.0919618 Ohm	Rc
Phase resistance	1.01158 Ohm	Rphase
Phase inductance	0.00102881 H	Ls
Nagaoka constant	0.249551	Kn
Winding coefficient	0.602665	kw
Volume of a single coil	32731 mm3	coil_volume
Weight of a single coil	162.654 g	coil_weight_constr
Coil hole at Ravg	29 mm	coil_hole_Ravg
Coil hole at Rin	8 mm	coil_hole_Rin_constr
Coil hole at Rout	50 mm	coil_hole_Rout_constr
Coil mass for construction	5.53023 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	20.528 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	43.1345 V	EMF_nom
Current at the nominal wind speed	17.1965 A	Iac_nom
Terminal voltage at the nominal wind speed	25.1083 V	V_term_line
Nominal frequency	63.1456 Hz	fnom
Generator power (Calculated)	1295.32 W	Pnom
Copper losses (Calculated)	897.429 W	Pcopper
Eddy current losses (Calculated)	14.5084 W	Peddy
Generator efficiency (Calculated)	0.574844	efficiency_real
AC Power at the rectifier (Calculated)	1256.46 W	Pnom_rect
DC Power at the batteries (Calculated)	1193.64 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)	46.0875 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	941.898 EUR	Totalcost
Total generator mass	115.638 kgr	TotalMass
Total generator volume	44.597 dm3	TotalVolume
Blade rotor mass	19.5329 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	500.675 EUR	Magcost
Magnet shipping cost	398.551 EUR	shippingcost
Copper mass	5.02128 kgr	mcu
Cost of copper	74.1141 EUR	coppercost
Resin mass	4.68574 kgr	resinmass
Cost of resin	64.7237 EUR	resincost
Resin volume	3445.4 cm3	ResinVolume
Total mass of one generator rotor	52.9653 kgr	TotalMassRotor
Cost of iron	89.7046 EUR	ironcost
Surface area of moulds	1.34268 m2	woodS
Total cost of moulds	212.681 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-9917.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.17m

Aerodynamic coefficient:

0.25

Cut-in wind speed:

3.00m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

6.30

Design TSR:

6.50

Air density:

1.204kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

Ferrite C8

Number of generator poles:

Magnet length:

75mm

Magnet width:

50mm

Magnet thickness:

20mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

8mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Triangular

Winder bolt size:

8.00mm

Winding fill factor:

Calculated

Stator thickness:

User defined

Stator thickness:

15mm

Current density:

8.00A/mm2

System Inputs

System voltage:

48.00V

Nominal voltage:

57.00V

Transmission cable losses:

3.00%

Rectifier losses:

5.00%

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