KSB PumpDrive - Power Range; Sizes

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
(⇨ Section 4.5 Page 15)
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
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