I
Nominal motor current(temp)
= I
Nominal motor current
×
(1 - [T
ambient
- 40 °C]
×
3 %)
PWM carrier frequency
Power derating for increased carrier frequency
Sizes A and B (for PWM carrier frequency > 4 kHz):
I
Nominal motor current (PWM)
= I
Nominal motor current
×
(1 - [f
PWM
- 4 kHz]
×
2.5 %)
Sizes C and D (at PWM carrier frequency > 2.5 kHz):
I
Nominal current (PWM)
= I
Nominal current
×
(1 - [f
PWM
- 2.5 kHz]
×
3.5 %)
4.6 Power range
NOTE
The power ranges specified apply in full to all mounting options.
Table 10: Power range for 2- and 4-pole motors or nominal speeds of 1500 rpm and
3000 rpm
Size
Power
[kW]
Maximum nominal motor
current
[A]
22)
A
0,55
1,8
0,75
2,5
1,1
3,5
1,5
4,8
2,2
6,0
3,0
8,0
B
4,0
10,0
5,5
13,0
7,5
16,5
C
11,0
25,0
15,0
31,0
18,5
39,0
22,0
45,0
D
30,0
65,0
37,0
80,0
45,0
93,0
4.7 Sizes
A
0,55 ... 3 kW
4 ... 7,5 kW
B
11 ... 22 kW
C
30 ... 45 kW
D
Fig. 5: Sizes
22)
PWM carrier frequency at a max. ambient temperature of 40 °C: - Sizes A and B: 4 k Hz - Sizes C and D: 2.5 kHz
4 Description
PumpDrive
17 of 162
