Propel-E 450 - 8p - 70 x 70 - 13mm stator - 0.75mm fill | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by fromwastetowind on Wed, 04/12/2024 - 08:26

Duration:

01:09:23

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	78.1702 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	312.681 RPM	n_nom
Nominal tip speed ratio	4	tsr_nom
RPM at the cut-in wind speed (Flux Linkage)	71 RPM	cutin_RPM
Cut-in Voltage (Flux Linkage)	130 V	cutin_Voltage
Wind speed at cut-in RPM (Flux Linkage)	2.72482 m/s	cutin_Vw
Mechanical power (Torque)	707.934 W	Pmech_Torque_x

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	8 mm	hr
Magnet width-to-pole pitch ratio	0.714367	ai
Inner-to-outer magnet radius	0.561852	kd
Flux density in airgap	0.284023 T	Bmax
Flux density on magnet surface	0.274663 T	Bmg
First harmonic of flux density in airgap	0.290625 T	Bp
Flux per pole (Calculated)	0.00140972 Wb	Flux_pole
Magnets on a rotor disk	8	magnet_num
Distance between magnets	0.5 mm	dist_magnet_Rin
Magnet mass	13720 g	MagnetMass
Magnet density	5 g/cm3	mag_density
Volume of a single magnet	171500 mm3	Vmag
Volume of all magnets	2744000 mm3	VolumeMagnet
Remanent magnetic flux density	0.39 T	Br
Magnetic coercivity	227950 A/m	Hc
Maximum Energy Product	30 KJ/m³	BHmax
Outer diameter	327.105 mm	Dout
Average radius	124.763 mm	Ravg
Inner radius	89.7634 mm	Rin
Outer radius	163.552 mm	Rout
Effective outer radius	159.763 mm	Rout_eff
Mass of rotor disks	10.5818 kgr	BackIronMass
Volume of rotor disks	1344.57 cm3	BackIronVolume
Maximum flux density in the magnet rotor disk	1.44055 T	SaturMAX
Is the magnet rotor disk saturated?	No	Saturation

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	13 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	1105	Nc
Copper wire diameter	0.71 mm	dc
Number of wires at hand	1	No_wires_at_hand
Winding fill factor	0.75	kf
Copper wire cross-sectional area	0.4 mm2	sc
Copper wire cross-sectional area (Calculated)	0.19994 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	0.4 mm²	sc_multi_wires
Copper wire diameter (Calculated)	0.504678 mm	dc_theor
Coil leg width	45.3333 mm	wc
Average length of coil turn	344.904 mm	lavg
Stator nominal temperature	32.0657 C°	tc_real
Stator surface area	1876.28 cm²	stator_surface_area
Heat coefficient	0.0535003	cq_real
Current density	2.49925 A	Jmax_real
Resistivity of copper at nominal temperature	1.75697E-8 Ohm.m	pt
Resistance of a single coil	16.7404 Ohm	Rc
Phase resistance	33.4807 Ohm	Rphase
Phase inductance	0.279547 H	Ls
Nagaoka constant	0.125097	Kn
Winding coefficient	0.771392	kw
Volume of a single coil	203263 mm3	coil_volume
Weight of a single coil	1365.35 g	coil_weight_constr
Coil hole at Ravg	38 mm	coil_hole_Ravg
Coil hole at Rin	6 mm	coil_hole_Rin_constr
Coil hole at Rout	70 mm	coil_hole_Rout_constr
Coil mass for construction	9.55743 kgr	mcu_constr
RMS flux linkage of phase A	0.907403 Wb	FluxRmsA
RMS flux linkage of phase B	0.899832 Wb	FluxRmsB
RMS flux linkage of phase C	0.905503 Wb	FluxRmsC
EMF at the cut-in wind speed (Calculated)	55.5967 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	222.387 V	EMF_nom
RMS of EMF of phase A (Flux Linkage)	235.641 V	V_rmsA
RMS of EMF of phase B (Flux Linkage)	235.709 V	V_rmsB
RMS of EMF of phase C (Flux Linkage)	235.676 V	V_rmsC
Current at the nominal wind speed	0.999698 A	Iac_nom
Terminal voltage at the nominal wind speed	110.124 V	V_term_line
Nominal frequency	20.8454 Hz	fnom
Generator power (Calculated)	549.473 W	Pnom
Generator power (Torque)	588.323 W	PelN_Torque_x
Electromagnetic power (Torque)	688.826 W	PHMN_Torque_x
Copper losses (Calculated)	100.381 W	Pcopper
Copper losses (Torque)	100.381 W	PcopperN_Torque_x
Eddy current losses (Torque)	0.121877 W	PeddyN_Torque_x
Generator efficiency (Torque)	0.831042	efftotalN_Torque_x
Generator efficiency (Calculated)	0.821075	efficiency_real
AC Power at the rectifier (Calculated)	532.989 W	Pnom_rect
AC Power at the rectifier (Torque)	570.673 W	PelN_Torque_x_rect
DC Power at the batteries (Calculated)	506.339 W	Pnom_dc
DC Power at the batteries (Torque)	542.14 W	PelN_Torque_x_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)	19.1077 W	Prot
Rotational losses (Torque)	19.1077 W	ProtN_Torque_x

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	392.624 EUR	Totalcost
Total generator mass	32.2554 kgr	TotalMass
Total generator volume	8.7397 dm3	TotalVolume
Blade rotor mass	2.54428 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	199.708 EUR	Magcost
Magnet shipping cost	165.7 EUR	shippingcost
Copper mass	8.17728 kgr	mcu
Cost of copper	120.697 EUR	coppercost
Resin mass	-0.223674 kgr	resinmass
Cost of resin	-3.08958 EUR	resincost
Resin volume	-164.466 cm3	ResinVolume
Total mass of one generator rotor	12.1509 kgr	TotalMassRotor
Cost of iron	13.0156 EUR	ironcost
Surface area of moulds	0.39326 m2	woodS
Total cost of moulds	62.2924 EUR	woodcost

Revolutions per minute (RPM)
0
62.53619
125.07238
187.60857
250.14476
312.68095

I_RMS (A)
0
0.19994
0.399879
0.599819
0.799758
0.999698

Output files

Octave/Matlab variable file:

simulation-9556.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

1.10m

Aerodynamic coefficient:

0.40

Cut-in wind speed:

3.00m/s

Nominal wind speed:

9.00m/s

Cut-in TSR:

3.00

Design TSR:

4.00

Air density:

1.204kg/m³

Generator Rotor Inputs

AFPM rotor topology:

Double Rotor

Magnetic material:

Ferrite C8

Number of generator poles:

Magnet length:

70mm

Magnet width:

70mm

Magnet thickness:

35mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

8mm

Mechanical clearance:

2.50mm

Generator Stator Inputs

Select coil type:

Triangular

Winder bolt size:

6.00mm

Winding fill factor:

User defined

Winding fill factor:

0.75

Stator thickness:

User defined

Stator thickness:

13mm

Current density:

5.00A/mm2

System Inputs

System voltage:

130.00V

Nominal voltage:

250.00V

Transmission cable losses:

3.00%

Rectifier losses:

5.00%

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