Characteristic Curves - Siemens SINAMICS S120 Combi Equipment Manual

7.2.8.1

Characteristic curves

Duty cycle for braking resistors without a thermostatic switch
Figure 7-11
T [s] time period of braking duty cycle
A [s] load duration
P [W] rated power (continuous power) of braking resistor
N
P
max
Table 7- 12 Duty cycles
Short duty cycle
A [s] 0.1
T [s] 11.5
The following applies when connecting Braking Modules in parallel:
P
N total
P
max total
SINAMICS S120 Combi
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5
Duty cycle for braking resistors without a thermostatic switch
[W] peak power of braking resistor (6 x P
6SN1113–1AA00–0DA0
Long duty cycle
0.4
210
= 0.9 x total P of single devices
N
= total P of single devices
max
7.2 Braking Module Booksize
)
N
6SL3100–1BE31–0AA.
Short duty cycle
1
68
DC link components
Long duty cycle
2
460
187