INVT Goodrive5000 Series

Send the
command of
variable frequency
switching into
power frequency
Synchronous
switching enabling
when the inverter runs
to 50Hz at variable
frequency
The inverter
performs phase
lock for power
frequency power
supply
KM4 opens; KM5
closes after delay
for 50ms
KM3 opens, then
the inverter stops
and KM1 opens
QS1, QS2 and QS3 in
close state; switch
cabinet is ATS
Motor works at
power frequency
The inverter in
fault state, stop
Succeed
Fail