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HIGH-PERFORMANCE MOTOR SYSTEM FOR WASHING MACHINES

Figure 3. Slip control during balancing ramp

Figure 4. System (motor + drive) efficiency at very low speed (550 r.p.m. rotor)

Time (unit 10ms)

0

10

20

30

40

50

60

70

80

Slip

Frequency

Balancing cycle / 2.5 kg

Washing at 550RPM

0

20

40

60

80

100

120

140

160

180

200

00,5

1

1,5

Torque Nm

Input

power W

0

0,2

0,4

0,6

0,8

1

1,2

1,4

1,6

1,8

2

Efficiency %

Input Current A

P (W)

I (A)

* Efficiency