Calculate Max. Running Time For Brake Chopper And Brake Resistor - Lenze EMB9351-E Betriebsanleitung

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