A-4
CDD3000-HF Operation Manual
The maximum permissible controller output current and the peak current
of the CDD3000-HF are dependent on the mains voltage, the motor cable
length, the power stage switching frequency and the ambient
temperature. If the conditions change, the maximum permissible current
capacity of the CDD3000-HF also changes. For details of which current
load on the power stage modules is permissible under which changed
background conditions, refer to the following characteristic diagrams and
tables.
Current capacity of drive controllers
(1)Continuous
(2)Intermittent* > 5 Hz rotating field frequency
drive controllers 2.4 A to 32 A:
I/I
N
= 1.8 (for 30 s at 4 kHz )
I/I
N
= 1.8 (for 30 s at 8 kHz )
I/I
N
= 1.8 (for 30 s at 16 kHz )
(3)Intermittent* 0 to 5 Hz rotating field frequency
drive controllers 2.4 A to 32 A:
I/I
N
= 1.8 (for 30 s at 4 kHz )
I/I
N
= 1.25-1.8 (for 30 s at 8 kHz)
(4)Pulse mode
drive controllers 2.4 A to 32 A:
I/I
N
= approx. 2.2 (at 4, 8, 16 kHz)
5
25
40
45
50
1
2
I
I
N
(1)
f [Hz]
(2)
(3)
(4)
*Intermittent I
N
> l
eff
I
eff
1
T
--
Σ
n
i
1
=
I
2
i
t
i
⋅
⋅
=