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Mitsubishi 7011A SERIES User Manual

Mitsubishi 7011A SERIES
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MITSUBISHI ELECTRIC 7011A SERIES UPS
MITSUBISHI
ELECTRIC
7011A SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
1-5
1.3 OVERVIEW
The UPS provides two power paths between the utility source and the critical load. Figure 1.1
shows the path for normal operation, with the load powered from the inverter. Figure 1.2 shows
the path for bypass operation, with the load supplied through the static bypass line.
FIGURE 1.1 Single Line Diagram - Normal Operation. Load powered by inverter.
During normal operation, the path through the inverter is used to power the load.
Referring to Figure 1.1: Input AC power is converted to DC by the Converter. DC power is
utilized to charge the UPS battery and to provide power to the Inverter. The Inverter converts the
DC power to clean AC power to supply the critical load.
The conversion - inversion process eliminates any voltage transients or fluctuations existing in the
input power before it reaches the critical load.
* The Input circuit breaker(MCCB) for protection of the UPS and cables
are field supplied and field installed. (See WARNING 2 in section 1.0).
AC input
CB
User supplied
MCCB
UPS Cabinet
Static Transfe
r
Switch
Power Flow
N
ot in Use
FB
CB2
CONVERTER
INVERTER
Output
CB1
F
I
FO
BATTERY
52CS
Maintenance
Bypass Switch

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Mitsubishi 7011A SERIES Specifications

General IconGeneral
BrandMitsubishi
Model7011A SERIES
CategoryUPS
LanguageEnglish

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