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Target applications |
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Hybrid electric and electric vehicles are the primary target applications.
Electrodrive P03 70M252D-F is particularly suitable for direct drive applications in automobiles, motorcycles, small utility vehicles and microbuses.
Other applications include forklifts, machinery and small wind power plant generators.
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Specifications (Preliminary) |
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 Electrodrive P03 70M252D-F employs permeable pole cores and is provided with channels and integrated in/outlets for a cooling fluid.
Motor construction
| Radial
| Number of phases
| 3
| Commutation
| Electronic
| Type of EMF
| Sinusoidal
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| Rated torque 1, 3
| 70 Nm
| Peak torque 2, 3
| 300 Nm
| Cogging torque
| < 0,2 Nm
| Torque ripple (sinusoidal EMF)
| < 2 %
| Rated speed
| 600 min-1
| Maximum speed
| 2000 min-1
| Rated power
| 4,4 kW
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| Diameter
| 252 mm
| Length 4
| 62 mm
| Mass
| 8,2 kg
| Moment of inertia
| 0,012 kgm2
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| Efficiency 5
| > 92 %
| Copper loss constant 5, 6
| 0,04 W(Nm)-2
| Core loss constant 5, 7
| 0,8 Ws2
| Torque constant K 5
| 0,25 Nm/W
| Temperature constant 8
| 0,001 K(Nm)-2
| Dynamic heat capacity
| 1,6 kJ/K
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1
| Peak current density per phase jP = 10 A/mm2
| 2
| Peak current density per phase jP = 60 A/mm2
| 3
| RMS current density per phase equals 0,707 of peak current density for sinusoidal EMF.
| 4
| Casing not including shaft
| 5
| Motor only at rated operating parameters:
Torque = 70 Nm, Speed = 600 min-1,
Temperature = 60°C
| 6
| Copper loss in Watts is approximated by a product of copper loss constant and squared value of torque in Nm.
| 7
| Core loss in Watts is approximated by a product of core loss constant and squared value of speed in Hz.
| 8
| Employing liquid cooling
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 P03 70M252D-F torque-current characteristic at stall |
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P03 70M242D |
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P03 70M242D is a version of P03 70M252D-F having the same electromechanical properties but without provisions for fluid cooling. It has a diameter of 242 mm and weights 7,7 kg.
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