Siemens SINAMICS G220 - Page 639

- 8019 -
1
Signals and monitoring functions Motor temperature model 3
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
Motor overtemperature response
p0610 [M] (12)
Motor temperature model 3
1 = Activate mot_temp_mod 3
p0612.2 [M]
<1>
Only for: Permanent-magnet synchronous motor (PMSM)
<1> If p0610 = 12.
Mot_temp_mod 1/3 boost factor at standstill
p5350 [M] (2.0000)
Power losses
p5351 … p5355
Thermal capacities
p5370 … p5372
Thermal conductivity
values
p5380 … p5384
Mot_temp_mod ambient temperature [°C] r0630 [M] Mot_temp_mod stator iron temperature [°C] r0631 [M] Mot_temp_mod rotor temperature [°C] r0633 [M]
Calculated motor temperatures
Mot_temp_mod 1/3 alarm
threshold [°C]
p5390 [M] (110.0)
Mot_temp_mod 1/3 fault threshold [°C]
p5391 [M] (120.0)
· 100 [%]
p5390 - p0613
- p0613ϑ
model
0
1
0
1
2 K 2 K
A07012
"Motor temperature model 1/3
overtemperature"
[8016.6]
Mot_temp_mod stator winding temperature [°C]
r0632 [M]
<2>
ϑ
model
r0034
Motor utilization thermal [%]
T 0
≥1
Mot_temp_mod 3
timer [s]
r5387 [M]
<2> p0605 or p5390 also define the target temperature for r0034 = 100 %. Therefore, the treshold value has no influence on the time up to alarm A07012.
Fault OT
r0068[0]
Absolute current actual value Unsmoothed [Arms]
r0063[1]
Speed actual value Smoothed with p0045 [rpm]
Figure14-208 8019 – Motor temperature model 3
Functions
14.11Drive functions
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 637