Eaton Electrical 9390 User Manual
PowerChain Management solutions
Eaton 9390 UPS
20-160 kVA
Eaton 9390
20-160 KVA
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EATON CORPORATION Product Catalog
Innovative design delivers industry-leading power performance
®
The Eaton
conversion UPS that resolves all utility power problems and supplies
clean, continuous, uninterruptible power to connected equipment.
Whether you’re selecting a UPS for a branch office, manufacturing floor, medical facility, or data center, there’s a 9390 model that
delivers just the right combination of performance and price for your
needs.
Applications
The 9390 delivers centralized backup support and protection for the
following types of applications:
• Mid-size data centers
• Medical facilities
• Schools
• Broadcasting, including TV, radio, cell and remote stations
• Factory/industrial such as PCs, critical machinery and operations
• Pharmaceuticals
• Mid-size office buildings (PCs, network, phone, storage and
server rooms)
• Medium size retail (phone systems, office PCs, POS)
• Hotels and casinos
• Banking
• Co-location data center facilities
9390 uninterruptible power system (UPS) is a double-
20-80 kVA
Benefits
• Leading sustainability
- Highest efficiency ratings lower utility costs
- Lowest total cost of ownership and lifecycle carbon footprint
- Smallest footprint and weight
- Lowest transportation and installation costs
• Stronger power performance
- Lowest input THD enhances compatibility with upstream
power systems
- Lowest output THD
- Optimum generator sizing
- PFC power supply compatibility
- Widest voltage range offering
• Highest reliability and availability
- Power ware Hot Sync
- Superior battery management
- Inherent redundancy
- Scalable architecture adapts to increasing power requirements
• Robust manageability
- Superior control and connectivity
®
wireless paralleling
100-160 kVA
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Energy efficiency means substantial cost savings
All UPSs consume energy to operate, and some unused energy is dissipated as heat as it passes through the UPS—the more heat
and dissipated energy, the higher cost of operation. The efficiency rating of a UPS measures how little energy is wasted. For exam-
ple, a 90% efficient UPS delivers 90 kW of useful power for every 100 kW taken in. With a transformerless design and sophisticated
sensing and control circuitry, the 9390 delivers an efficiency of up to 94 percent with double-conversion protection. In addition to the
cost savings, this enhanced efficiency extends battery runtimes and produces cooler UPS operating temperatures, extending component life and increasing reliability and performance.
Comparison of 90% versus 94% efficient 80 kVA UPS
Percent Wasted kW Cost per kWh Extra energy Extra air Annual savings vs.
efficiency hours* and demand cost conditioning cost less-efficient model
90 63,072 $0.13 $8,199 $5,740
94 37,843 $0.13 $4,919 $3,444 $5,576
* Mostly dissipated as heat.
Operational savings
Efficiency comparison
Efficiency difference: 2% 3% 4%
1 year 5 years 1 year 5 years 1 year 5 years
Savings–80 kVA UPS $2,788 $13,940 $4,182 $20,910 $5,576 $27,880
Savings–160 kVA UPS $5,576 $27,880 $8,363 $41,815 $11,151 $55,755
CO2 Savings–80 kVA 19.3 tons 96.5 tons 23.1 tons 115.5 tons 26.9 tons 134.5 tons
CO2 Savings–160 kVA 26.9 tons 134.5 tons 34.5 tons 172.5 tons 42.2 tons 211 tons
Power performance
Input THD Output PF Efficiency
Eaton 9390 <4.5% 0.9 94%
Competitor “A” <7.5%* 0.8 92.5-93%
Competitor “B” <10%* 0.8 90-95%
Competitor “C” <10%* 0.8 92-93%
Competitor “D” <7%* 0.8 87-93%
Competitor “E” <7%* 0.8 90-93.3%
Competitor “F” <3% 0.8 88.5-94%
Competitor “G” <3-7% 0.8 87% (estimated)
*w/filter (~30% w/out)
100
98
96
94
92
90
88
% Efficiency
86
84
82
80
Eaton 9390 160 kVA Efficiency Curve
160 kVA @ 480V
94.65%
100908070605040302010
% Load
Alternative voltages for IT data center powering
In addition to conventional (208 and 480) voltage capabilities, the 9390 now has the ability to support directconnect 400/230 Vac for powering directly to the IT rack. This capability allows for the deployment of a UL/CE
rated UPS that can protect and distribute 400/230 Vac directly to IT racks without an additional step-down
transformer. Some of the efficiencies and benefits of this alternative voltage powering are:
• Elimination of the step-down 480-208 volt transformer lowers heat losses and saves valuable floor space
in the data center
• Higher voltage directly to IT equipment allows it to operate at higher efficiency (no changes required, as
virtually all servers are rated to operate at up to 240 Vac)
• No changes to power distribution equipment since connectors and circuit breakers already exist with
these ratings
• The use of Eaton’s high efficiency 9390 UPS in such an application further improves system overall efficiency.
• Multiple studies show that up to 5% overall efficiency gains can be made versus equivalent 480 or 208 Vac
systems, resulting in thousands of dollars in savings per year.
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EATON CORPORATION Eaton 9390 Uninterruptible Power System
Consistent efficiency
throughout UPS
load range
Many UPSs cite greater than
90% efficiency without mention
of low or no load range. Today’s
average system operates at only
55% of its rated load or capacity range. However, efficiency
is usually reduced in this lowerload operating status—not so
with the 9390, which reaches
optimal efficiency rates at less
than half load—and maintains
this optimal efficiency throughout the load range!
Low input current
THD enhances
generator compatibility
Electronic devices and UPSs are
built with some components
that are non-linear. When voltage
is applied to a circuit constructed
of non-linear components, the
circuit may not respond linearly
(current may not follow the voltage in a linear manner). These
components may even create
frequencies other than the fundamental applied frequency (60
Hz).
These frequencies (harmonics)
occur in odd multiplies of
60 Hz. The degree of occurrence
is called total harmonic distortion (THD). If the power source
can’t respond to all frequencies
demanded by the circuit, then
further distortion of the applied
voltage may occur—creating
more complication. Every UPS
produces a level of harmonics. Unchecked, harmonics can
reduce overall power factor,
cause sensitive devices to malfunction, prematurely age equipment, and cause screens and
displays to flicker.
To avoid these negative effects,
the 9390 uses a special input
circuit that keeps current THD
at less than 4.5% at full load—
without compromising efficiency. As a result, the 9390 transfers maximum power between
the source and protected load
and is exceptionally compatible
with multiple power sources,
especially auxiliary generators.
In the Power Performance chart
on the previous page, note that
most manufacturers require an
input filter to minimize THD.
This added filter results in lower
efficiency for the UPS—a consequence not generally noted in
marketing materials.
Power factor performance maximizes compatibility and meets
high power factor load
requirements
Power factor (PF) describes
the slight phase shift between
voltage applied to a circuit and
current that the circuit draws
in response to the applied voltage. The maximum power factor possible is unity (1.0), or no
phase shift between the voltage
applied and the circuit current
response—maximum transfer
of power between source and
load. However, in the real world,
the UPS must be able to accept
power from and deliver power to
circuits that have a wide range
of power factors.
Older or worn equipment often
results in lower power factor
readings. Some new servers
operate at unity power factor.
Lightly loaded facilities such as
brand new data centers, can
often show leading power factor
readings.
On output, the ultra high-speed
switching pulse width modulation (PWM) inverter enables the
9390 to provide its full rated
power capability to the load,
down to 0.9 leading power factor without de-rating.
Double-conversion
design offers highest
available protection
Unlike other commercially available UPS technologies, the
double-conversion design completely isolates output power
from all input power anomalies
and delivers 100% conditioned,
perfect sine wave output—
regulating both voltage and
frequency, providing protection
from all nine common power
problems.
Due to the 9390’s built in highefficiency capability, it operates
in a consistent, efficient status
without compromising power
protection. Even when presented with the most severe power
problems, power output remains
stable with the 9390. Output
voltage THD is held within two
percent of nominal specification
for linear loads, within five percent for non-linear loads—making the 9390 ideal for supporting
equipment that is sensitive to
a distorted voltage input as a
result of harmonic loads. In the
event of a utility power failure,
there is no delay transferring to
backup power.
LOAD Power Factor RANGE Chart
Leading Lagging
PF=0.9
100% kW
kW
PF=1
PF=0.9
1
Many competitive
UPSs cannot operate
in this range without
significant derating
Without derating
Full range of load power factor
0.75
0.50
0.25
-1 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1
PF=0.8
kVAr
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Scalable architecture meets your current and
future load requirements
The 9390 supports up to 160 kVA to deliver power protection for small branch offices to large corporate
data centers and communication networks. Up to six equivalent 9390 modules can be paralleled for
additional capacity or redundancy, without having to utilize a central bypass cabinet. In all paralleling configurations, each UPS module operates independently yet is completely synchronized with the others.
Parallel UPS modules can provide N+1, N+2, or greater redundancy.
Powerware Hot Sync wireless paralleling technology for capacity or redundancy
This two-module system shown below can be configured as 160 kVA N+1 redundant (320 kVA capacity
with 36-inch tie cabinet). The width of this configuration is a compact 164.6 inches.
Powerware Hot Sync
technology: The
culmination of power
reliability
Eaton’s patented Powerware
Hot Sync technology enables
multiple UPSs to share the load
equally, eliminating the transfer
time when shifting the load
from one module to the other.
The load share control algorithms maintain adjustments to
variations in the output power
requirements.
When two or more UPSs operate in parallel for capacity and
redundancy, Hot Sync addresses
the two primary concerns of
load sharing and selective trip-
Tie Cabinet
160 kVA UPS Modules
ping. To address these concerns
for reliability – the degree of
autonomy and the complexity
of implementation – Hot Sync
combines digital signal processing and an advanced control
algorithm to provide automatic
load sharing and selective tripping in a parallel system, as well
as complete autonomy of the
modules and a skillfully simple
implementation. The 9390
achieves optimum reliability
and flexibility with the following
design features:
• Unlike other paralleling techniques, there is no systemlevel single point of failure
• Hot Sync systems are capable
of paralleling for both redundancy and capacity
BatteryBattery
• By using a peer configuration as opposed to a masterslave configuration, Hot Sync
ensures that each module is
operating independently
• No added circuitry or components are required to be
switched in to operate in
parallel
• With thousands of successful
systems installed globally, Hot
Sync is a proven technology
• The output of multiple UPSs
remains in phase so that
static transfer switches connected between the separate
distribution paths may change
state seamlessly when necessary
Each parallel unit operates with
its own battery string – if any
unit goes offline or is taken
down for maintenance, the
remaining units support the
load fully with their battery
capabilities. If any battery string
fails, the remaining strings continue to support the load – thus
eliminating a key potential single
point of system failure.
EATON CORPORATION Eaton 9390 Uninterruptible Power System
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