Calculate Max. Running Time For Brake Chopper And Brake Resistor - Lenze EMB9351-E Instructions De Mise En Service

Calculate max. running time for brake chopper and brake resistor

5.2 Calculate max. running time for brake chopper and brake resistor
Brake chopper with switching threshold U
I [A]
45
40
35
30
25
20
(I ) 14
N
10
5
0
0
Fig. 1 Max. running time for brake chopper EMB 9352 and external brake resistors
Brake chopper with switching threshold U
I [A]
45
40
35
30
25
20
(I ) 14
N
10
5
0
0
Fig. 2 Max. running time for brake chopper EMB 9352 and external brake resistors
EDBMB935X DE/EN/FR 12.0
9 W
10 W
12 W
15 W
18 W
20 W
24 W
27 W (R
)
B,lim
³ W
27
0.5 1.0 1.5
18 W
22 W
24 W
27 W
33 W
39 W
47 W
54 W (R
)
B,lim
³ W
54
0.5 1.0 1.5
l
Dimensioning
= 375 V
ch
0
2.0 2.5
W)
t (18
on, max
= 725/765 V
ch
0
2.0 2.5
33 W)
t (
on, max
1
t [s]
3.0
on
9350br_014a
1
t [s]
3.0
on
9350br_014b
5
77