Size:

CSIRO/UTS (AURORA) motor

1. 5 times the diameter; square =[2.25]; cubed = [3.375]

1.75 times the diameter; square =[3.0652]; cubed = [5.3594]

kW (Hp)

See A122 for Notes on Power Requirements.

Rotor Outer Radius:

364

519.9

637

mm (in)

Rotor Inner Radius:

mm (in)

Maximum Diameter:

383 (15.1)

538.9 (21.2)

670 (26.4)

mm (in)

Rotor Disk Axial Thickness:

mm (in)

Magnet Axial Thickness:

mm (in)

Total Rotor Thickness (inc. magnets):

49 (1.9291)

mm (in)

Axial Gap between magnet rotors:

10

mm (in)

Mass of Copper:

1.2

x

x

kg (lb)

Mass of Magnets:

4.78

x

x

kg (lb)

Total Active Mass:

5.98

x

x

kg (lb)

Maximum Active Mass:

kg (lb)

Weight of Complete Motor:

8.3 (18.3)

8.3 * 2.2 = 18.3 (40.2)

13.2 * 3.1 = 40.9 (90.0)

kg (lb)

Weight of Frameless:

kg (lb)

Size:

CSIRO/UTS (AURORA) motor

Times 1. 5; square = 2.25; cubed = 3.375]

Times 1.75; square = 3.0652; cubed = 5.3594

kW (Hp)

See A122 for Notes on Power Requirements.

Phases:

3-phase

3-phase

3-phase

Mechanical Power:

3.6 (4.8)

3.6 * 3.375 = 12.15 (16.3)

3.6 * 5.36 = 19.2 (25.8)

kW (Hp)

See A122 for Notes on Power Requirements. One page mentions 3.6kW.

Peek Mechanical Power:

1.8 * 3.1 = 5.58 (7.5) ?

1.8 * 3.1 * 3.375 = 18.8 (25.2) ?

kW (Hp)

The 3.1 factor is probably too high

Power Density:

6.1 / 25.4 = 0.378 (0.23)

9.6 / 25.4 = 0.378 (0.23)

kW/kg (hp/lb)

 Where did 25.4 come from??

Peek Power Density:

29.9 / 25.4 = 1.177 (0.72)

29.9 / 25.4 = 1.177 (0.72)

kW/kg (hp/lb)

 Where did 25.4 come from??

Voltage - (phase to phase):

600 / 8 pole = 75 ??

V_rms

Frequency:

90.0 Hz

90.0 Hz

 = (rotor speed [rpm] * Nbr of pole pairs for rotor permanent magnets) / 60 = 600 * (18/2) /60

Phase Resistance

0.0997 ⁽¹⁾

ohm

RMS fundamental phase current

11.34 ⁽¹⁾

amp

LN rms emf

54.3 ⁽¹⁾

volt

Emf constant (LN rms emf/speed

0.47 ⁽¹⁾

rad/sec

Torque constant per phase

0.49 ⁽¹⁾

Nm/A

Copper loss

38.6 ⁽¹⁾

watt

Eddy current loss

2.7 ⁽¹⁾

watt

Windage (design for 2mm gap each side)

2.1 ⁽¹⁾

watt

Total Loss

43.4 ⁽¹⁾

watt

Temperature Rise

18.3 ⁽¹⁾

K

Temp. rise after a further 72 s at 50 Nm

42 ⁽¹⁾

K

Temp. Rise at 30 Nm

60 ⁽¹⁾

K

Efficiency:

97.9 ⁽¹⁾

Size:

CSIRO/UTS (AURORA) motor

Times 1. 5; square = 2.25; cubed = 3.375]

Times 1.75; square = 3.0652; cubed = 5.3594

kW (Hp)

See A122 for Notes on Power Requirements.

Number of stator poles: (per stator)

24 ??

24 ??

Number of rotor magnets: (poles)

40

60

70

Pole Pitch:

30º ??

30º ??

Permanent Magnetic Pitch:

20.0 ??

20.0

 deg.

Electromagnetic Torque:

206 (152) ??

Nm (lbf-ft)

Nominal Speed:

1060

707

606

RRPM

Nominal Torque:

16.2 (11.9)

54.7 (40.3)

Nm (lbf-ft)

Thermal Limit Torque:

30 (22.1)

101.2 (74.6)

Nm (lbf-ft)

DESIGN:

B489

MAKE:

BUY:

Name

Item

Motor - Axial Flux - Specifications - Physical

Motor - Axial Flux - Specifications - Electrical

Motor - Axial Flux - Specifications - Mechanical

Name

Item