Comet-ME 4.2m N42 48V 1st | Online Design Tools for Locally Manufactured Small Wind Turbines

Duration:

01:35:15

Tabs

Results


Property	Value	Variable name
Magnet length	46.3564 mm	la_out
Magnet width	30.48 mm	wm_out
Magnet thickness	13.3805 mm	hm_out
Stator thickness	11.2517 mm	tw_out
Objective function output	210.288	Particle_Output_out
Generator mass	40.9344 kg	Total_Mass_out
Generator cost	733.785 €	Total_Cost_out
Generator efficiency	0.756993	Efficiency_Min_out
Efficiency term of the objective function	48.6015	ObjFun_Eff_term
Cost term of the objective function	73.3785	ObjFun_Cost_term
Mass term of the objective function	81.8689	ObjFun_Mass_term
Penalty term of the objective function	0	ObjFun_Penalty_term

Output files

Octave/Matlab variable file:

simulation-574.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.10m

Aerodynamic coefficient:

0.25

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 N42

Number of generator poles:

20

Rotor disk thickness:

10mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Keyhole

Stator thickness:

13mm

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

Constants

Copper resistivity:

1.678E-8 Ω·m

Copper density:

8.94g/cm³

Iron density:

7.87g/cm³

Resin density:

1.36g/cm³

Optimization setup

Weight for Efficiency:

1.00

Weight for Cost:

1.00

Weight for Mass:

2.00

Number of design variables:

4

Number of particle generations:

20

Times to repeat optimization:

1

Optimization setup #2

Max value of magnet length:

60.00mm

Min value of magnet length:

30.00mm

Max value of magnet width:

40.00mm

Min value of magnet width:

20.00mm

Max value of magnet thickness:

20.00mm

Min value of magnet thickness:

10.00mm

Max value of stator thickness:

15.00mm

Min value of stator thickness:

10.00mm