Connecting The Motor To The Converter In A Star Or Delta Connection - Siemens SINAMICS G120 Installation Manual

Connecting

4.4 Connecting the motor to the converter in a star or delta connection

Note
Configuring a safety function
In order to use the "STO via power module terminals" safety function, the function has to be
configured with a commissioning tool.
Further information and wiring examples are to be found in the "Safety Integrated" Function
Manual.
4.4 Connecting the motor to the converter in a star or delta connection
Overview
Standard induction motors up to a rated power of approximately 3 kW are usually connected
in star/delta connection (Y/Δ) at 400 V/230 V. For a 400-V line supply, you can connect the
motor to the converter either in a star or in a delta connection.
Function description
Operating the motor in a star connection
64
Manuals for your converter (Page 163)
In a star connection, the motor can provide its
rated torque M in the range 0 ... rated fre-
N
quency f .
N
Rated voltage U = 400 V is available at a
N
rated frequency f = 50 Hz.
N
The motor goes into field weakening above
the rated frequency. In field weakening, the
available motor torque decreases proportion-
ally with 1/f. In field weakening, the available
power remains constant.
Hardware Installation Manual, 01/2020, A5E33294624B AL
Power Module PM240-2