50/60 Hz synchronised ±1 % With mains absent ±0.1 Hz
Max. Synchronisation Speed
±1 Hz/s
Waveform
Pure Sinewave
Total Harmonic Distortion (THDv)
<2% (Linear Load) ； <5% (Non-linear Load)
Phase Displacement
120° ±1 % (balanced load)； 120° ±2% (imbalances 50% of the load)
Dynamic Recovery Time
Restore to 90% of rated value in 3 cycles
Overload capacity
110% for 10min; 150% for 60sec; >160% for 200ms
Admissible Crest Factor
3:1
Admissible Power Factor
0.6-1 (inductive or capacitive)
Imbalance Output Voltage @ 100% Unbalanced Load
<1%
Current Limit
High overload, short-circuit: RMS Voltage Limit; High Crest-Factor current: Peak Voltage Limit
STATIC BYPASS
Type
Solid state
Voltage
3 x 380VAC/400VAC (3Ph + N)
Frequency
50/60 Hz
Activation Criterion
Microprocessor control
Transfer Time
Zero
Admissible Overload
150% for 1 hour; 180% for 30sec; >200% for 200ms
Transfer to Bypass
Immediate, for overloads above 160%
Retransfer
Automatic after alarm clear
MAINTENANCE BYPASS
Type
Without interruption
Voltage
3 * 400V (3Ph + N)
Frequency
50/60 Hz
Overall Efficiency
Line Mode
90%
91%
92%
93%
Battery Mode
90%
91%
93%
93%
BATTERY & CHARGER
Battery Type and Numbers
12VDC * 32 pcs (29-32 pcs adjustable)
Nominal Battery Voltage
384 VDC (Based on 32pcs batteries)
Charging Method
CC/CV
Precision
±1%
Charging Current
Max.: 40 A
Charging Voltage
432 VDC (Based on 32pcs batteries)
PHYSICAL
Dimensions, D x W x H(mm)
656 x 405 x 817
656 x 405 x 941
840x432x1140
975x554x1286
1200x910x1680
1500x1140x1800
Net Weight (Kgs)
180
205
295
330
451
519
950
1350
Description
HIGH INTELLIGENCE AND RELIABLE POWER SUPPLYIGBT Technology
Full microprocessor control with no-break static and manual bypasses.
Online double conversion technology (VFl) with isolation transformer on theinverter output.
Extremely high short-circuit current to ensure compatibility with the most diffificult transformer applications (lighting, drives and industrial processes) and an isolation transformer on the inverter output.
Compatibled with Watch & Save 3000 software as standard and can be remotely monitored using the Power NetGuard system from anywhere in the world.
SIMPLE TO INSTALL
Capability to install the UPS into any distribution system(neutral not required on rectifier input).
Capability to separate the rectifier/bypass power networks and to power them from two separate sources, without Galvanic isolation(Necessary on UPS without an output transformer
MAXIMUM BATTERY CARE
Battery deep discharge protection;
Temperature compensating charger;
Built-in automatic and manual battery test feature.
OTHER CHARACTERISTICS
0.8/0.9 power factor suitable for powering ICT and lndustrial loads.
BACK FEED protection: to avoid energy feeding back into the mains supply cause a fault occur.
MAXIMUM RELIABILITY AND AVAILABILITY
Connect up to 6 units in parallel or N+1 redundancy, even of different power ratings.
The UPS continue to work in parallel even if one of theinterconnecting communication cables is disconnected(CLOSED LOOP)
LOW CONSUMPTION LEVELS
LF31 Series UPS can achieve efficiencies >98% thanks to selectable Economy Mode which can be used in stable electrical environments to provide power supply continuity when the mains fail.
ADVANCE COMMUNICATION:
RS485/RS232/Dry Contact/SNMP(Optional)
Specifications
Model
10KVA
15KVA
20KVA
30KVA
40KVA
60KVA
80KVA
100KVA
Capacity
8KW
12 KW
16 KW
24 KW
32 KW
48 KW
64 KW
80 KW
INPUT
Rated voltage
380/400/415 VAC Three-phase
Voltage range
±20%
Frequency range
45-65Hz
Power factor
>0.92 with harmonic filter
Current harmonic distortion
<5% with harmonic filter
Soft Start
0 -100% in 10″
BYPASS INPUT
Rated voltage
230VAC Single Phase
Permitted voltage range
±15% (selectable from ±10% to ±25% from front panel)
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