Clone of Clone of PMA-OPT | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by AHMEDNA8 on Fri, 24/04/2020 - 15:23

Duration:

00:09:11

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	133.758 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	575.988 RPM	n_nom
Nominal tip speed ratio	12.0573	tsr_nom
RPM at the cut-in wind speed (Flux Linkage)	130 RPM	cutin_RPM
Cut-in Voltage (Flux Linkage)	12 V	cutin_Voltage
Wind speed at cut-in RPM (Flux Linkage)	3.40167 m/s	cutin_Vw
Mechanical power (Torque)	2756.7 W	Pmech_Torque_x

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	8 mm	hr
Magnet width-to-pole pitch ratio	0.391056	ai
Inner-to-outer magnet radius	0.81426	kd
Flux density in airgap	0.612643 T	Bmax
Flux density on magnet surface	0.708984 T	Bmg
First harmonic of flux density in airgap	0.435872 T	Bp
Flux per pole (Calculated)	0.000854475 Wb	Flux_pole
Magnets on a rotor disk	16	magnet_num
Distance between magnets	38.8614 mm	dist_magnet_Rin
Magnet mass	2880 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	12000 mm3	Vmag
Volume of all magnets	384000 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	431.752 mm	Dout
Average radius	195.354 mm	Ravg
Inner radius	175.354 mm	Rin
Outer radius	215.876 mm	Rout
Effective outer radius	215.354 mm	Rout_eff
Mass of rotor disks	18.4354 kgr	BackIronMass
Volume of rotor disks	2342.49 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	1.56538 T	SaturMAX
Is the magnet rotor disk saturated?	Yes	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	15 mm	tw
Number of phases	3	nphase
Number of coils per phase	4	q
Total number of coils in stator	12	coil_num
Number of turns per coil	20	Nc
Copper wire diameter	1.7 mm	dc
Number of wires at hand	5	No_wires_at_hand
Winding fill factor	0.49	kf
Copper wire cross-sectional area	11.35 mm2	sc
Copper wire cross-sectional area (Calculated)	10.7104 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	2.27 mm²	sc_multi_wires
Copper wire diameter (Calculated)	3.69376 mm	dc_theor
Coil leg width	30.8844 mm	wc
Average length of coil turn	236.977 mm	lavg
Stator nominal temperature	38.6954 C°	tc_real
Stator surface area	1756.53 cm²	stator_surface_area
Heat coefficient	0.0944539	cq_real
Current density	3.7746 A	Jmax_real
Resistivity of copper at nominal temperature	1.80394E-8 Ohm.m	pt
Resistance of a single coil	0.00753289 Ohm	Rc
Phase resistance	0.0301316 Ohm	Rphase
Phase inductance	0.000114001 H	Ls
Nagaoka constant	0.190312	Kn
Winding coefficient	0.95	kw
Volume of a single coil	109783 mm3	coil_volume
Weight of a single coil	529.008 g	coil_weight_constr
Coil hole at Ravg	30 mm	coil_hole_Ravg
Coil hole at Rin	30 mm	coil_hole_Rin_constr
Coil hole at Rout	30 mm	coil_hole_Rout_constr
Coil mass for construction	6.8771 kgr	mcu_constr
RMS flux linkage of phase A	0.011458 Wb	FluxRmsA
RMS flux linkage of phase B	0.0113067 Wb	FluxRmsB
RMS flux linkage of phase C	0.0114307 Wb	FluxRmsC
EMF at the cut-in wind speed (Calculated)	5.132 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	22.1467 V	EMF_nom
RMS of EMF of phase A (Flux Linkage)	21.9531 V	V_rmsA
RMS of EMF of phase B (Flux Linkage)	22.0447 V	V_rmsB
RMS of EMF of phase C (Flux Linkage)	21.9607 V	V_rmsC
Current at the nominal wind speed	42.8417 A	Iac_nom
Terminal voltage at the nominal wind speed	16.9356 V	V_term_line
Nominal frequency	76.7984 Hz	fnom
Generator power (Calculated)	2176.65 W	Pnom
Generator power (Torque)	2431.45 W	PelN_Torque_x
Electromagnetic power (Torque)	2704.92 W	PHMN_Torque_x
Copper losses (Calculated)	165.911 W	Pcopper
Copper losses (Torque)	165.911 W	PcopperN_Torque_x
Eddy current losses (Torque)	107.559 W	PeddyN_Torque_x
Generator efficiency (Torque)	0.882013	efftotalN_Torque_x
Generator efficiency (Calculated)	0.768405	efficiency_real
AC Power at the rectifier (Calculated)	1958.98 W	Pnom_rect
AC Power at the rectifier (Torque)	2188.3 W	PelN_Torque_x_rect
DC Power at the batteries (Calculated)	1763.09 W	Pnom_dc
DC Power at the batteries (Torque)	1969.47 W	PelN_Torque_x_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)	51.784 W	Prot
Rotational losses (Torque)	51.784 W	ProtN_Torque_x

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	575.281 EUR	Totalcost
Total generator mass	30.8197 kgr	TotalMass
Total generator volume	8.34514 dm3	TotalVolume
Blade rotor mass	15.2925 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	331.041 EUR	Magcost
Magnet shipping cost	23.1884 EUR	shippingcost
Copper mass	5.77099 kgr	mcu
Cost of copper	85.1799 EUR	coppercost
Resin mass	3.73329 kgr	resinmass
Cost of resin	51.5675 EUR	resincost
Resin volume	2745.06 cm3	ResinVolume
Total mass of one generator rotor	10.6577 kgr	TotalMassRotor
Cost of iron	22.6756 EUR	ironcost
Surface area of moulds	0.535461 m2	woodS
Total cost of moulds	84.817 EUR	woodcost

Revolutions per minute (RPM)
0
115.197576
230.395152
345.592728
460.790303
575.987879

I_RMS (A)
0
21.420829
42.841658

Output files

Octave/Matlab variable file:

simulation-6286.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.00m

Aerodynamic coefficient:

0.37

Cut-in wind speed:

3.50m/s

Nominal wind speed:

10.00m/s

Cut-in TSR:

8.00

Design TSR:

6.50

Air density:

1.225kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

NdFeB N52

Number of generator poles:

Magnet length:

40mm

Magnet width:

30mm

Magnet thickness:

10mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

8mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Rectangular

Winding fill factor:

Calculated

Stator thickness:

Calculated

Current density:

4.00A/mm2

System Inputs

System voltage:

12.00V

Nominal voltage:

36.00V

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