Clone of Final of 56v Hello less magnets | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by noor.samir on Wed, 03/04/2019 - 08:58

Duration:

00:01:00

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	167.197 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	360.508 RPM	n_nom
Nominal tip speed ratio	5.65998	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	6 mm	hr
Magnet width-to-pole pitch ratio	0.187358	ai
Inner-to-outer magnet radius	0.689277	kd
Flux density in airgap	0.558915 T	Bmax
Flux density on magnet surface	0.733753 T	Bmg
First harmonic of flux density in airgap	0.239769 T	Bp
Flux per pole (Calculated)	0.000736214 Wb	Flux_pole
Magnets on a rotor disk	8	magnet_num
Distance between magnets	67.1124 mm	dist_magnet_Rin
Magnet mass	1200 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	10000 mm3	Vmag
Volume of all magnets	160000 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	322.451 mm	Dout
Average radius	135.915 mm	Ravg
Inner radius	110.915 mm	Rin
Outer radius	161.225 mm	Rout
Effective outer radius	160.915 mm	Rout_eff
Mass of rotor disks	7.71209 kgr	BackIronMass
Volume of rotor disks	979.936 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	1.54718 T	SaturMAX
Is the magnet rotor disk saturated?	Yes	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	17 mm	tw
Number of phases	3	nphase
Number of coils per phase	2	q
Total number of coils in stator	6	coil_num
Number of turns per coil	346	Nc
Copper wire diameter	1.4 mm	dc
Number of wires at hand	1	No_wires_at_hand
Winding fill factor	0.52	kf
Copper wire cross-sectional area	1.54 mm2	sc
Copper wire cross-sectional area (Calculated)	1.37232 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	1.54 mm²	sc_multi_wires
Copper wire diameter (Calculated)	1.32219 mm	dc_theor
Coil leg width	60.8788 mm	wc
Average length of coil turn	314.97 mm	lavg
Stator nominal temperature	71.7537 C°	tc_real
Stator surface area	2301 cm²	stator_surface_area
Heat coefficient	0.2545	cq_real
Current density	5.3467 A	Jmax_real
Resistivity of copper at nominal temperature	2.03431E-8 Ohm.m	pt
Resistance of a single coil	1.43959 Ohm	Rc
Phase resistance	2.87919 Ohm	Rphase
Phase inductance	0.0198172 H	Ls
Nagaoka constant	0.141831	Kn
Winding coefficient	0.95	kw
Volume of a single coil	325974 mm3	coil_volume
Weight of a single coil	1509.06 g	coil_weight_constr
Coil hole at Ravg	20 mm	coil_hole_Ravg
Coil hole at Rin	-6.10697 mm	coil_hole_Rin_constr
Coil hole at Rout	46.0931 mm	coil_hole_Rout_constr
Coil mass for construction	10.5634 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	23.9493 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	51.6538 V	EMF_nom
Current at the nominal wind speed	8.23391 A	Iac_nom
Terminal voltage at the nominal wind speed	26.3443 V	V_term_line
Nominal frequency	24.0339 Hz	fnom
Generator power (Calculated)	650.749 W	Pnom
Copper losses (Calculated)	585.604 W	Pcopper
Eddy current losses (Calculated)	2.007 W	Peddy
Generator efficiency (Calculated)	0.519721	efficiency_real
AC Power at the rectifier (Calculated)	585.675 W	Pnom_rect
DC Power at the batteries (Calculated)	527.107 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)	13.7514 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	392.46 EUR	Totalcost
Total generator mass	21.5811 kgr	TotalMass
Total generator volume	4.16473 dm3	TotalVolume
Blade rotor mass	6.45151 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	138.081 EUR	Magcost
Magnet shipping cost	9.66184 EUR	shippingcost
Copper mass	9.00232 kgr	mcu
Cost of copper	132.874 EUR	coppercost
Resin mass	3.66669 kgr	resinmass
Cost of resin	50.6477 EUR	resincost
Resin volume	2696.1 cm3	ResinVolume
Total mass of one generator rotor	4.45605 kgr	TotalMassRotor
Cost of iron	9.48588 EUR	ironcost
Surface area of moulds	0.387445 m2	woodS
Total cost of moulds	61.3713 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6110.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

1.50m

Aerodynamic coefficient:

0.30

Cut-in wind speed:

3.00m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

8.75

Design TSR:

6.00

Air density:

1.204kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

NdFeB N52

Number of generator poles:

Magnet length:

50mm

Magnet width:

20mm

Magnet thickness:

10mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

6mm

Mechanical clearance:

1.00mm

Generator Stator Inputs

Select coil type:

Keyhole

Winding fill factor:

Calculated

Stator thickness:

Calculated

Current density:

6.00A/mm2

System Inputs

System voltage:

56.00V

Nominal voltage:

56.00V

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:

true

Simulation step:

Current step:

RPM Step:

Mesh size:

Automesh

Constants

Copper resistivity:

1.678E-8 Ω·m

Copper density:

8.94g/cm³

Iron density:

7.87g/cm³

Resin density:

1.36g/cm³