Solcon HRVS-DN series - Motor Starting Procedures and Curves

114 • Start Procedure for Medium voltage Motor
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13.4 Standard Starting Process
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Apply START command
Motor starts to turn
shortl
y
after START
Initial inrush current or
mechanical shock is
too high?
Increase INITIAL VOLTAGE and start again
Decrease INITIAL VOLTAGE and start again
Speed accelerates
smoothly to nominal?
A
pp
l
y
the STOP command and wait until the motor sto
p
s.
Sli
g
htl
y
increase INITIAL VOLTAGE
Current during
acceleration is too
high?
Decrease CURRENT LIMIT
Motor speed does not
accelerate to nominal?
Increase CURRENT LIMIT
Yes
No
Yes
No
No
Yes Yes
No
No
Yes
A