Pole Position Identification - Siemens SINAMICS S120 Function Manual

3.2.13

Pole position identification

Description
Pole position identification is used to determine the pole position. Two pole position
identification methods are available:
S p1980 = 4, voltage pulsation, two stage
This method is used with magnetically unbalanced motors. The motor must be
at a standstill when the measurement is being performed. The measurement is
performed when the next pulse is enabled.
S p1980 = 10, direct current injection
This method can be used with all motors but takes longer than the
measurement via p1980 = 4. The motor must be able to rotate during the
measurement. The measurement is performed when the next pulse is enabled.
Integration
Pole position identification is integrated in the system as follows:
Overview of key parameters:
S p0325
S p0329
S p1980
S p1982
S r1984
S r1985
S r1987
© Siemens AG, 2005. All rights reserved
SINAMICS S120 Function Manual, 06/05 Edition
Pole position identification current, 1st phase
Pole position identification current
Pole position identification method
Pole position identification selection
Pole position identification angle difference
Pole position identification saturation curve
Pole position identification trigger curve
Operating Modes
Vector control
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