Bypass; Bypass Control Via Converter - Siemens SINAMICS G120X Operating Instructions Manual

6.10.3

Bypass

Overview
The "Bypass" function switches the motor between converter and line operation.
Figure 6-97
Requirements
● The "Bypass" function is supported only for induction motors.
● The K1 converter contactor and K2 line contactor are designed for switching under load.
● The K2 line contactor is designed for switching under inductive load.
● The K1 converter contactor and K2 line contactor are interlocked against closing at the
same time.
● The "flying restart" function must be activated (p1200 = 1 or 4).
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC

Bypass control via converter

Flying restart – switching on while the motor is running (Page 423)
Advanced commissioning
6.10 Energy saving
439