Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
117
Figure 72. Path of Current Through the UPS in Online Mode
Static
Switch
r
e
tr
e
v
n
I
r
e
if
it
c
e
R
K1
K3
Battery
Converter
Battery
Battery
Breaker
Main Power Flow
Trickle Current
Energized
De-Energized
Closed
Open
Breakers
Contactors
Static
Switch
K5
r
e
tr
e
v
n
I
r
e
if
it
c
e
R
K1
K3
Main Power Flow
Trickle Current
Energized
De-Energized
Closed
Open
Breakers
Contactors
K2
Bypass Input
Rectifier
Input
Output
Bypass
Breaker
(CB4)
Input
Breaker
(CB1
NOTE
On a UPS configured as an IOM, the bypass input, static switch, bypass breaker (CB4), and K5 are not present.
NOTE
On a UPS configured with a Continuous Static Switch (CSS), bypass breaker (CB4) is not present.
If the utility AC power is interrupted or is out of specification, the UPS automatically switches to Battery mode
to support the critical load without interruption. When utility power returns, the UPS returns to Online mode.
NOTE
Bypass mode is not available on a UPS configured as an IOM.
If the UPS becomes overloaded or unavailable, the UPS switches to Bypass mode. The UPS automatically
returns to Online mode when the overload condition is cleared and system operation is restored within
specified limits.
If the UPS suffers an internal failure, it switches automatically to Bypass mode and remains in that mode until
the failure is corrected and the UPS is back in service.
66..22..33
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Saavveerr S
Syysstteem
m M
Mooddee
NOTE
VMMS and ESS modes are mutually exclusive. If ESS mode is enabled, VMMS mode is
disabled.
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Страница 37: ...14 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725 Rev 15 Safety Warnings ...
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Страница 175: ...152 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725 Rev 15 Understanding UPS Operation ...
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Страница 257: ...234 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725 Rev 15 Communication ...
Страница 265: ...242 Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725 Rev 15 UPS Maintenance ...
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