Motor Data Identification Induction Motor - Siemens Sinamics S120 Function Manual

Servo control
3.12 Motor data identification
Parameters to control the motor data identification
The following parameters influence the motor data identification:
Table 3- 11 Parameters for control
Static measurement (motor data identification)
• p0640 current limit
p1215 Motor holding brake configuration
•
p1909 Motor data identification control word
•
p1910 Motor data identification, stationary
•
p1959.14/.15 Positive/negative direction permitted*
•
Note:
If a brake is being used and is operational (p1215 = 1, 3), then the stationary measurement with closed brake is carried
out. If possible (e.g. no hanging/suspended axis), we recommend that the brake is opened before the motor data
identification (p1215 = 2). This also means that the encoder size can be adjusted and the angular commutation calibrated.
* The p1959 setting has the following effects on the rotational direction parameter p1821:
Positive direction permitted, with setting p1821= 0 means: Clockwise direction of rotation
Negative direction permitted, with setting p1821=1 means: Counter-clockwise direction of rotation
3.12.1

Motor data identification induction motor

The data are identified in the gamma equivalent circuit diagram and displayed in r19xx. The
motor parameters p0350, p0354, p0356, p0358 and p0360 taken from the motor data
identification refer to the T equivalent circuit diagram of the induction machine and cannot be
directly compared. This is the reason that an r parameter is listed in the table, which displays
the parameterized motor parameters in the gamma equivalent circuit diagram.
Table 3- 12 Data determined using p1910 for induction motors (stationary measurement)
Determined data (gamma)
r1912 identified stator resistance
r1913 rotor time constant identified
r1915 stator inductance identified
r1925 threshold voltage identified
r1927 rotor resistance identified
r1932 d inductance
r1934 q inductance identified
104
Rotating measurement
• p0640 current limit
p1082 Maximum speed
•
p1958 motor data identification ramp-up/ramp-down time
•
p1959 Rotating measurement configuration
•
p1960 Rotating measurement selection
•
Data that are accepted (p1910 = 1)
p0350 motor stator resistance, cold
+ p0352 cable resistance
r0384
motor rotor time constant/damping time constant, d axis
-
-
r0374 motor resistance cold (gamma)
p0354
r0377 motor leakage inductance, total (gamma)
p0353 motor series inductance
p0356 motor leakage inductance
p0358 motor leakage inductance
p1715 current controller P gain
p1717 current controller integral action time
-
Function Manual, (FH1), 01/2012, 6SL3097-4AB00-0BP2
Drive functions