4.2m Waterpumper India 20 POLE N35, 750VDC 5 Amp 320 Vcutin triangular coils | Online Design Tools for Locally Manufactured Small Wind Turbines

Submitted by minvayu on Thu, 23/09/2021 - 04:38

Duration:

00:00:01

Tabs

Results

Blade Rotor Outputs
Property	Value	Variable name
RPM at the cut-in wind speed (TSR)	119.427 RPM	n_cut_in
RPM at the nominal wind speed (TSR)	318.471 RPM	n_nom
Nominal tip speed ratio	7	tsr_nom

Generator Rotor Outputs
Property	Value	Variable name
Rotor disk thickness	10 mm	hr
Magnet width-to-pole pitch ratio	0.714059	ai
Inner-to-outer magnet radius	0.627584	kd
Flux density in airgap	0.54 T	Bmax
Flux density on magnet surface	0.62 T	Bmg
First harmonic of flux density in airgap	0.4 T	Bp
Flux per pole (Calculated)	0.0007905 Wb	Flux_pole
Magnets on a rotor disk	20	magnet_num
Distance between magnets	2 mm	dist_magnet_Rin
Magnet mass	4972.5 g	MagnetMass
Magnet density	7.5 g/cm3	mag_density
Volume of a single magnet	16575 mm3	Vmag
Volume of all magnets	663000 mm3	VolumeMagnet
Remanent magnetic flux density	1.195 T	Br
Magnetic coercivity	918880 A/m	Hc
Maximum Energy Product	287 KJ/m³	BHmax
Outer diameter	275.026 mm	Dout
Average radius	111.444 mm	Ravg
Inner radius	85.9437 mm	Rin
Outer radius	137.513 mm	Rout
Effective outer radius	136.944 mm	Rout_eff
Mass of rotor disks	9.35065 kgr	BackIronMass
Volume of rotor disks	1188.14 cm3	BackIronVolume

Generator Stator Outputs
Property	Value	Variable name
Stator thickness	13 mm	tw
Number of phases	3	nphase
Number of coils per phase	5	q
Total number of coils in stator	15	coil_num
Number of turns per coil	412	Nc
Copper wire diameter	0.85 mm	dc
Number of wires at hand	1	No_wires_at_hand
Winding fill factor	0.65	kf
Copper wire cross-sectional area	0.57 mm2	sc
Copper wire cross-sectional area (Calculated)	0.563444 mm²	sc_theor
Copper wire cross-sectional area of a sinlge wire	0.57 mm²	sc_multi_wires
Copper wire diameter (Calculated)	0.847209 mm	dc_theor
Coil leg width	27.7917 mm	wc
Average length of coil turn	173.763 mm	lavg
Stator nominal temperature	62.7371 C°	tc_real
Stator surface area	1448.75 cm²	stator_surface_area
Heat coefficient	0.215892	cq_real
Current density	4.94249 A	Jmax_real
Resistivity of copper at nominal temperature	2.09179E-8 Ohm.m	pt
Resistance of a single coil	2.62723 Ohm	Rc
Phase resistance	13.1361 Ohm	Rphase
Phase inductance	0.0391741 H	Ls
Nagaoka constant	0.19873	Kn
Winding coefficient	0.95	kw
Volume of a single coil	62779.2 mm3	coil_volume
Weight of a single coil	366.581 g	coil_weight_constr
Coil hole at Ravg	16.5 mm	coil_hole_Ravg
Coil hole at Rin	8 mm	coil_hole_Rin_constr
Coil hole at Rout	25 mm	coil_hole_Rout_constr
Coil mass for construction	5.86529 kgr	mcu_constr
EMF at the cut-in wind speed (Calculated)	136.853 V	EMF_cut_in
EMF at the nominal wind speed (Calculated)	364.942 V	EMF_nom
Current at the nominal wind speed	2.81722 A	Iac_nom
Terminal voltage at the nominal wind speed	352.825 V	V_term_line
Nominal frequency	53.0786 Hz	fnom
Generator power (Calculated)	2467.5 W	Pnom
Copper losses (Calculated)	312.774 W	Pcopper
Eddy current losses (Calculated)	13.5619 W	Peddy
Generator efficiency (Calculated)	0.87514	efficiency_real
AC Power at the rectifier (Calculated)	2220.75 W	Pnom_rect
DC Power at the batteries (Calculated)	2218.53 W	Pnom_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)	25.7137 W	Prot

Costs, Mass and Volume
Property	Value	Variable name
Total generator cost	600.089 EUR	Totalcost
Total generator mass	20.9051 kgr	TotalMass
Total generator volume	3.86145 dm3	TotalVolume
Blade rotor mass	17.7029 kgr	blade_rotor_mass
Softwood density	500 kgr/m³	softwood_density
Cost of magnets	440.113 EUR	Magcost
Magnet shipping cost	40.0362 EUR	shippingcost
Copper mass	5.47215 kgr	mcu
Cost of copper	80.7689 EUR	coppercost
Resin mass	1.10984 kgr	resinmass
Cost of resin	15.3301 EUR	resincost
Resin volume	816.057 cm3	ResinVolume
Total mass of one generator rotor	7.16158 kgr	TotalMassRotor
Cost of iron	11.5013 EUR	ironcost
Surface area of moulds	0.330655 m2	woodS
Total cost of moulds	52.3757 EUR	woodcost

Output files

Octave/Matlab variable file:

simulation-7227.mat

Input parameters

Blade Rotor Inputs

Turbine radius:

2.10m

Aerodynamic coefficient:

0.37

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 N35

Number of generator poles:

Magnet length:

51mm

Magnet width:

25mm

Magnet thickness:

13mm

Rotor disk thickness:

User Defined

Rotor disk thickness:

10mm

Mechanical clearance:

3.00mm

Generator Stator Inputs

Select coil type:

Triangular

Winder bolt size:

8.00mm

Winding fill factor:

Calculated

Stator thickness:

User defined

Stator thickness:

13mm

Current density:

5.00A/mm2

System Inputs

System voltage:

320.00V

Nominal voltage:

750.00V

Transmission cable losses:

10.00%

Rectifier losses:

0.10%

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