EA900II 3/3 UPS Introduction
10KVA-120KVA
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EA900II 3/3 UPS Introduction
☞ Power range:
10-120KVA
☞ Working mode:
Intelligent on-line(3/3)
☞ Applications:
Mini/media data center
☞ Certification:
CE
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System Topology
Bypass_R
Bypass_S
Bypass_T
Bypass_N
Main_R
Main_S
Main_T
Main_N
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BAT+
OP_R
OP_S
BAT-
OP_T
OP_N
Charger Circuit Topology
BUCK+CT+
2
3
4
1
BUCK+CT-
C
1
6
E3
2
2
5
Q8
1
2
SLA50120
Q1
G
1
BAT+OP
2
1
3
1
+
70TPS12APBF
3
1
J10
Q3
RHRG75120
100uF
2
2
J9
NEUTRAL
1
D2
1
1
+
70TPS12APBF
Q4
RHRG75120
G
3
2
2
100uF
D1
3 SLA50120
BAT-OP
Q7
1
C
BAT+V+
BAT+V-
BAT-IP
BAT-V+
BAT-V-
J5
New
1
2
3
4
5
6
J6
New
NEUTRAL
BUS-IP
BUS-IP.V+
BUS-IP.V-
2
NEUTRAL
NEUTRAL
3
4
BAT+IP
New
1
2
3
4
5
6
1
1
2
3
4
5
6
5
2
New
Q2
J15
J16
BUCK-CTBUCK-CT+
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CD293
6
2
3E
1
1
2
3
4
5
6
BUS+IP
NEUTRAL
BUS+IP.V+
BUS+IP.V-
1
1
2
J11
New
1
2
3
4
5
6
New
CHGR+.V
NEUTRAL
CHGR+CAPV+
CHGR+CAPV-
1
2
3
4
5
6
NEUTRAL
CHGR.VCHGR-CAPV+
CHGR-CAPV-
Whole Structure (10-30KVA)
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Whole Structure (40-60KVA)
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Whole Structure (80-120KVA)
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Unit Pictures
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Inbuilt Battery Model Backup Time
10K
Half resistance load with 32*9AH battery: 15 minutes 28 seconds
Full resistance load with 32*9AH battery: 6 minutes 09 seconds
Half resistance load with 64*9AH battery: 37 minutes 39 seconds
Full resistance load with 64*9AH battery: 18 minutes 07 seconds
20K
Half resistance load with 64*9AH battery: 18 minutes 02 seconds
Full resistance load with 64*9AH battery: 5 minutes 38 seconds
30K
Half resistance load with 64*9AH battery: 8 minutes 59 seconds
Full resistance load with 64*9AH battery: 2 minutes 42 seconds
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Reliability
 Adopt the global top brand: USA TI Chip, INFINEON IGBT, SCR
 Independent duct design
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 Imported dust filter
Green Energy Saving
Input with PFC; Input PF>0.99; Input THDI<3%; Efficiency>93%
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Intelligent Battery Management
 Battery settable from 30~40pcs
 Battery self -test
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 Intelligent three stage charger
 Battery compensation management
Intelligent Monitor Management
 Man-machine-dialog; 5.7inche large screen;10,000 history log query
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Convenient Maintenance
 EA900II 3/3 series ups adopt modular design, the power modular support to
hot swap exchange, it is more convenient to maintenance than the traditional
ups. Reduce the maintenance time, improving the system reliability.
Support hot swap exchange
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Parallel Introduction
UPS1
UPS2
UPS n(n≤6)
Paralleled
port
Parallel communication cable
Note:
1) Each cabinet digit number
needs to be set through the LCD
screen;
2) Cable length difference
between the output of each UPS
to the output PDU should not
exceed 10% ；
3) UPS can share the battery
pack or not.
Parallel system Wiring diagram
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Specification

Power supply mode: 3 phases input /3 phases output;

Input PF: >0.99; Input THDI: <3%;

Output PF: 0.9;

Efficiency: on-line: >93%;

Parallel redundancy: Up to 6 units, can share battery group;

Rate DC input: ±192DC (12V32pcs, support settable from 30-40pcs);

Charger current: 10-30KVA: 12A; 40-80KVA: 24A; 100-120KVA: 48A;

BAT.LOW warning: 11VDC* Battery quantity, EOD:10.2VDC* Battery quantity

Cabinet color: Black
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Standard and option configuration
Function description
Standard
Option
RS232, RS485, USB;
√
Dry contact
7 output dry contact” inverter output, AC failure,
Over load, bypass output, system fault, BAT. Low.
system warnings;
2input dry contact: remote EPO, battery breaker
status or generator connecting in.
√
SNMP Card
SNMP Card: Internal & external
√
Protection the ups from Surge
√
Collect external battery temperature, UPS adjust
the charger output voltage automatically
√
Parallel components
Realized the function from single to parallel
√
Battery breaker
The breaker between ups and battery group
√
Transformer
10-60KVA support inbuilt output transformer
√
Communication port
SPD
Bat. Temp. testing
port
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