Matrix Telecom Inverter System
64
Copyright © 2008-2010 Eaton Corporation. All Rights Reserved.
IPN 997-00012-68D February 2010
Inverter Static Switch (ISS)
ISS (Inverter Static Switch):
• Inverters power the load
through the STS
• AC mains is disconnected
from the system, and the
STS cannot be removed
from the system
• MBS can be switched to
Normal Operation and
Inverter Bypass position
• Back-feed Relay and SCR1
open, SCR2 closed
Inverter Bypass (IBP)
Inverter Bypass (IBP):
• Load is powered through
the MBS by the inverters.
• STS can be removed from
the system
• MBS can only be switched
to Inverter Static Switch
position
• Back-feed Relay and SCR1
open, SCR2 closed
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