Thermal Motor Models - Siemens SINAMICS G150 Manual

Mot I_standstill
p0318[M]
I_act abs val unsmoothed
r0068[0]
I2t mot mod T
p0611[M]
Mot temp
<1>
[8016.5] r0035
Mot Temp Reakt Stat therm iron
p0610[M] (12) p0617[M]
Rated motor temperature rise
<5>
Mot T_ambient
p0625[M]
Mot T_over core
p0626[M]
[8016.2]
Mot T_over stator
p0627[M]
Mot T_over rotor
p0628[M]
State of breaking
I_act abs val unsmoothed
r0068[0]
n_act smoothed with p0045
r0063[1]
<4>
n_act smooth
<3> r0063
<1> Only if there is a temperature sensor (p0601 = 2).
<2> Only if <1> are not met.
<3> Only for SERVO.
<4> Only for VECTOR.
<5> Only if p0610.12 = 1.
<6> p0605 also determines the target temperature at r0034 = 100%. Thus, p0605 does not influence the time up to warning A07012.
1 2
DO: SERVO, VECTOR
Signals and monitoring functions - Thermal motor models
Mot Temp Reakt Activate thermal motor model 1 (I2t )
p0610[M] (12) p0612.0[M] (0)
<5>
Thermal motor model 1 (I2t)
(only for synchronous motor)
Mot T_ambient
p0625[M]
<2>
Stat therm copper Stat therm weight Activate thermal motor model 2
p0618[M] p0619[M]
Thermal motor model 2
(for induction motors only)
Mot Temp Reakt Activate thermal motor model 3
p0610[M] (12) p0612.2[M](0)
<5>
Thermal motor model 3
(only for synchronous motor)
3 4
I2t mot_mod thresh
p0615[M]
1
Model
0
Mod 1/2/K thresh
p0605[M]
- 40°C
Modell
• 100 [%]
p0605 - 40°C
Mot weight th mod
Mot T_rotor
p0612.1[M] (1) p0344[M]
r5395[M]
F thresh fig p5391
r5399
Mot T_copper
r0632[M]
1
0
Mot T_stator
r0631[M]
A thresh fig p5390
r5398
Mot T_rotor
r0633[M]
r0632 – r5397
• 100 [%]
r5398 – r5397
5 6
fp_8017_54_eng.vsd
29.01.14 V04.07.00
192.00 ms
1
A07012
"1/3 Thermal motor model overtemperature"
0
Mot_utiliz therm
r0034
Calculated motor temperatures
Mot T_environ
r0630[M]
Mot T_stator
r0631[M]
Mot T_copper
r0632[M]
Mot T_rotor
r0633[M]
1
T 0
1
A07012
"1/3 Thermal motor model overtemperature"
0
Mot_utiliz therm
7
Function diagram
S120/S150/G130/G150
[8016.6]
[8016.1]
[8016.6]
r0034
8
- 8017 -