Eaton PowerXL DA1 - Page 61

2 Engineering
2.9 Three-phase motor
DA1 Variable Frequency Drives 11/16 MN04020005Z-EN www.eaton.com 57
Figure 32:Example: Parallel connection of several motors to one frequency inverter
a Motor choke (DX-LM3…) or sine filter
(DX-SIN3…)
Q11, Q12, Q13, …: Motor protection
(utilization category AC-3)
F1, F2, F3, …: Overload relay (bimetallic relay
or PKE)
Q11
F1
M1
Q12
F2
M2
Q13
F3
M3
U1 V1 W1 U1 V1 W1 U1 V1 W1
M
3
˜
M
3
˜
M
3
˜
①