haykel 15 kw generator | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by herkules on Fri, 08/11/2019 - 14:52

Duration:

00:00:01

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	208.997 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	281.522 RPM	n_nom
Nominal tip speed ratio	3.53592	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	13 mm	hr
Magnet width-to-pole pitch ratio	1.26317	ai
Inner-to-outer magnet radius	0.832722	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)	0.002852 Wb	Flux_pole
Magnets on a rotor disk	20	magnet_num
Distance between magnets	-28.0601 mm	dist_magnet_Rin
Magnet mass	27600 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	92000 mm3	Vmag
Volume of all magnets	3680000 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	559.001 mm	Dout
Average radius	251.992 mm	Ravg
Inner radius	228.992 mm	Rin
Outer radius	279.5 mm	Rout
Effective outer radius	274.992 mm	Rout_eff
Mass of rotor disks	50.2184 kgr	BackIronMass
Volume of rotor disks	6380.99 cm3	BackIronVolume

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	13 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	5	Nc
Copper wire diameter	1.5 mm	dc
Number of wires at hand	2	No_wires_at_hand
Winding fill factor	0.55	kf
Copper wire cross-sectional area	3.54 mm2	sc
Copper wire cross-sectional area (Calculated)	3.21453 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	1.77 mm²	sc_multi_wires
Copper wire diameter (Calculated)	2.0236 mm	dc_theor
Coil leg width	2.50028 mm	wc
Average length of coil turn	245.556 mm	lavg
Stator nominal temperature	63.617 C°	tc_real
Stator surface area	184.188 cm²	stator_surface_area
Heat coefficient	0.219789	cq_real
Current density	5.44836 A	Jmax_real
Resistivity of copper at nominal temperature	2.09179E-8 Ohm.m	pt
Resistance of a single coil	0.00725498 Ohm	Rc
Phase resistance	0.0362749 Ohm	Rphase
Phase inductance	1.49135E-5 H	Ls
Nagaoka constant	0.257223	Kn
Winding coefficient	0.95	kw
Volume of a single coil	7981.47 mm3	coil_volume
Weight of a single coil	54.3989 g	coil_weight_constr
Coil hole at Ravg	100 mm	coil_hole_Ravg
Coil hole at Rin	89.833 mm	coil_hole_Rin_constr
Coil hole at Rout	108.962 mm	coil_hole_Rout_constr
Coil mass for construction	0.870382 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	10.264 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	14.113 V	EMF_nom
Current at the nominal wind speed	19.2872 A	Iac_nom
Terminal voltage at the nominal wind speed	11.2904 V	V_term_line
Nominal frequency	46.9204 Hz	fnom
Generator power (Calculated)	653.281 W	Pnom
Copper losses (Calculated)	40.4824 W	Pcopper
Eddy current losses (Calculated)	3.77572 W	Peddy
Generator efficiency (Calculated)	0.876532	efficiency_real
AC Power at the rectifier (Calculated)	587.953 W	Pnom_rect
DC Power at the batteries (Calculated)	529.157 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)	47.7632 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	3356.87 EUR	Totalcost
Total generator mass	79.2596 kgr	TotalMass
Total generator volume	20.8609 dm3	TotalVolume
Blade rotor mass	3.30317 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	3157.76 EUR	Magcost
Magnet shipping cost	222.222 EUR	shippingcost
Copper mass	0.582845 kgr	mcu
Cost of copper	8.60279 EUR	coppercost
Resin mass	0.85838 kgr	resinmass
Cost of resin	11.8567 EUR	resincost
Resin volume	631.161 cm3	ResinVolume
Total mass of one generator rotor	38.9092 kgr	TotalMassRotor
Cost of iron	61.7686 EUR	ironcost
Surface area of moulds	0.737882 m2	woodS
Total cost of moulds	116.881 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6135.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

1.20m

Aerodynamic coefficient:

0.30

Cut-in wind speed:

3.00m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

8.75

Design TSR:

7.00

Air density:

1.204kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

NdFeB N52

Number of generator poles:

Magnet length:

46mm

Magnet width:

100mm

Magnet thickness:

20mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

13mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Keyhole

Winding fill factor:

User defined

Winding fill factor:

0.55

Stator thickness:

User defined

Stator thickness:

13mm

Current density:

6.00A/mm2

System Inputs

System voltage:

24.00V

Nominal voltage:

24.00V

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