2 Engineering
2.5 Motor and Application
DC1 Frequency Inverter 10/12 MN04020003Z-EN www.eaton.com 47
2.5.9 Mode of operation of DC1-S2… frequency inverter
The special start method used by the DC1-S2… frequency inverter ensures a
safe motor start. The output voltage and the corresponding frequency are
first regulated to the motor's rated operational data
and are
then automati-
cally
set at the required operating point (setpoint).
Figure 23: Start phase and required operating point
￫
DC1-S2… frequency inverters feature a specific parameter set
that cannot be transferred to other DC1 frequency inverter
models.
t
U
2
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