System Manual – MOVIDRIVE® compact Drive Inverters
231
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Overload capacity of the inverter
Project Planning
Cycle frequency f
PWM
= 16 kHz:
The permitted mean inverter output current is I
out RMS
≤
82 % I
D
.
MC_4_A, sizes 1-5
overload capacity
at 500 V / 40 °C
Cycle frequency f
PWM
= 8 kHz:
The permitted mean inverter output current is I
out RMS
≤
67 % I
D
.
56726AXX
Figure 77: Short-term overload capacity at f
PWM
= 16 kHz (500 V / 25 °C)
1
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1
t1 [s]
t2 [s]
120 %
I
D
130 %
I
D
150 % I
D
175 % I
D
225 % I
D
60 % I
D
40 % I
D
20 % I
D
0 % I
D
I
out 2
I
out 1
V
1
= 3 x AC 500 V
ϑ
amb
= 25 °C
f
PWM
(P860 / P861) = 16 kHz
I
out RMS
≤
82 % I
D
56727AXX
Figure 78: Short-term overload capacity at f
PWM
= 8 kHz (500 V / 40 °C)
140 % I
D
150 % I
D
160 % I
D
170 % I
D
60 % I
D
40 % I
D
20 % I
D
0 % I
D
1
0.8
0.6
0.4
0.2
0
0.2
0.4
0.6
0.8
1
t1 [s]
t2 [s]
I
out 2
I
out 1
V
1
= 3 x AC 500 V
ϑ
amb
= 40 °C
f
PWM
(P860 / P861) = 8 kHz
I
out RMS
≤
67 % I
D
Summary of Contents for MOVIDRIVE compact MCH41A
Page 2: ...SEW EURODRIVE Driving the world...
Page 432: ......