Clone of Clone of Clone of Clone of Clone of Clone of Clone of Clone of Clone of Clone of Clone of Clone of Clone of Clone of test4 | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by s1528088 on Wed, 20/03/2019 - 09:22

Duration:

00:00:26

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	191.083 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	397.694 RPM	n_nom
Nominal tip speed ratio	4.16253	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	5 mm	hr
Magnet width-to-pole pitch ratio	0.204552	ai
Inner-to-outer magnet radius	0.763857	kd
Flux density in airgap	0.192865 T	Bmax
Flux density on magnet surface	0.45679 T	Bmg
First harmonic of flux density in airgap	0.109157 T	Bp
Flux per pole (Calculated)	0.000114208 Wb	Flux_pole
Magnets on a rotor disk	12	magnet_num
Distance between magnets	32.3424 mm	dist_magnet_Rin
Magnet mass	135 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	750 mm3	Vmag
Volume of all magnets	18000 mm3	VolumeMagnet
Remanent magnetic flux density	1.3 T	Br
Magnetic coercivity	1006580 A/m	Hc
Maximum Energy Product	342 KJ/m³	BHmax
Outer diameter	211.972 mm	Dout
Average radius	93.3681 mm	Ravg
Inner radius	80.8681 mm	Rin
Outer radius	105.986 mm	Rout
Effective outer radius	105.868 mm	Rout_eff
Mass of rotor disks	2.7773 kgr	BackIronMass
Volume of rotor disks	352.897 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	0.519941 T	SaturMAX
Is the magnet rotor disk saturated?	No	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	10 mm	tw
Number of phases	3	nphase
Number of coils per phase	3	q
Total number of coils in stator	9	coil_num
Number of turns per coil	372	Nc
Copper wire diameter	0.71 mm	dc
Number of wires at hand	1	No_wires_at_hand
Winding fill factor	0.55	kf
Copper wire cross-sectional area	0.4 mm2	sc
Copper wire cross-sectional area (Calculated)	0.210037 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	0.4 mm²	sc_multi_wires
Copper wire diameter (Calculated)	0.517264 mm	dc_theor
Coil leg width	27.3251 mm	wc
Average length of coil turn	146.493 mm	lavg
Stator nominal temperature	31.105 C°	tc_real
Stator surface area	720.526 cm²	stator_surface_area
Heat coefficient	0.0471535	cq_real
Current density	3.15055 A	Jmax_real
Resistivity of copper at nominal temperature	1.74474E-8 Ohm.m	pt
Resistance of a single coil	2.37699 Ohm	Rc
Phase resistance	7.13098 Ohm	Rphase
Phase inductance	0.015444 H	Ls
Nagaoka constant	0.173349	Kn
Winding coefficient	0.95	kw
Volume of a single coil	40029.2 mm3	coil_volume
Weight of a single coil	195.923 g	coil_weight_constr
Coil hole at Ravg	10 mm	coil_hole_Ravg
Coil hole at Rin	1.30639 mm	coil_hole_Rin_constr
Coil hole at Rout	18.7352 mm	coil_hole_Rout_constr
Coil mass for construction	1.95923 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	10.264 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	21.3834 V	EMF_nom
Current at the nominal wind speed	1.26022 A	Iac_nom
Terminal voltage at the nominal wind speed	11.2904 V	V_term_line
Nominal frequency	39.7694 Hz	fnom
Generator power (Calculated)	42.6852 W	Pnom
Copper losses (Calculated)	33.9753 W	Pcopper
Eddy current losses (Calculated)	0.0250847 W	Peddy
Generator efficiency (Calculated)	0.518778	efficiency_real
AC Power at the rectifier (Calculated)	38.4167 W	Pnom_rect
DC Power at the batteries (Calculated)	34.575 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)	5.59464 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	109.396 EUR	Totalcost
Total generator mass	5.64274 kgr	TotalMass
Total generator volume	1.19985 dm3	TotalVolume
Blade rotor mass	0.412897 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	25.084 EUR	Magcost
Magnet shipping cost	1.08696 EUR	shippingcost
Copper mass	1.75387 kgr	mcu
Cost of copper	25.8872 EUR	coppercost
Resin mass	0.976569 kgr	resinmass
Cost of resin	13.4893 EUR	resincost
Resin volume	718.066 cm3	ResinVolume
Total mass of one generator rotor	1.45615 kgr	TotalMassRotor
Cost of iron	3.41608 EUR	ironcost
Surface area of moulds	0.262116 m2	woodS
Total cost of moulds	41.5191 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-6104.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

0.60m

Aerodynamic coefficient:

0.55

Cut-in wind speed:

2.00m/s

Nominal wind speed:

6.00m/s

Cut-in TSR:

6.00

Design TSR:

9.00

Air density:

1.204kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

NdFeB N42

Number of generator poles:

Magnet length:

25mm

Magnet width:

10mm

Magnet thickness:

3mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

5mm

Mechanical clearance:

4.00mm

Generator Stator Inputs

Select coil type:

Keyhole

Winding fill factor:

User defined

Winding fill factor:

0.55

Stator thickness:

Calculated

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