44
8. Annexes
8.1.
General technical specifications
Models:
KESSUPS 91RT
KESSUPS 91RT (2 AC lines)
Available powers (kVA / kw) (**)
0.7 / 0.63
1 / 0.9
1.5 / 1.35
2 / 1.8
3 / 2.7
4 / 3.6
5 / 4.5
6 / 5.4
8 / 7.2
10 / 9
Technology
on-line double conversion, PFC, double DC bus
Rectifier
input typology
Single phase
Quantity of cables
3 cables - phase R(l) + neutral (n) and earth
nominal voltage
208 / 220 / 230 / 240 V ac
input voltage range with 100 % load
176÷276 V ac
input voltage range with 50 % load
120÷276 V ac
Transference voltage range:
Depending on the load percentage between 100 and 50 %
- low mains voltage
176 / 110 V ac (±3 %)
- low maisn voltage restored
186 / 130 V ac (±3 %)
- High mains voltage
276 V ac (±3 %)
- High mains voltage restored
266 V ac (±3 %)
Frequency
50 / 60 Hz (autosensing)
input frequency range
± 10 % (45-55 / 54-66 Hz)
THDi
< 5 % at full load
Power factor
> 0.99 (at full load)
inverter
Technology
PwM
Modulation frequency
19.2 kHz
wave shape
Pure sinewave
nominal voltage
208 / 220 / 230 / 240 V ac
output voltage accuracy
± 1 %
Voltage THD with linear load
< 2 %
Voltage THD with non-linear load
< 5 %
Transient recover time of the output voltage
100 ms. (iEC 62040-3 non-linear load)
Transient recover time of the output voltage (with
load step 0 %-100 %-0 %)
± 9 %
Transient recover time of output voltage (with
load step 20 %-100 %-20 %)
± 6 %
Frequency
with mains present, synchronised to input nominal frequency (45-55 / 54-66 Hz)
Free running -battery mode- 50 / 60 ±0,2 Hz
Free running -battery mode- 50 / 60 ±0,1 Hz
Slew rate
1 Hz/sec.
Power factor
0.9 (by default)
0,5 to 1
Permissible load power factor
0.5 to 1 inductive
Transfer time, inverter to battery
0 ms.
Transfer time to bypass of mains 2, out of range
-
10 ms.
Transfer time, inverter to ECo
0 ms.
Transfer time, ECo to inverter
< 10 ms.
Efficiency at full load, on line mode
with 100% charged battery
> 87 %
> 89 %
> 90 %
> 93 %
Efficiency at full load, on battery mode
> 83 %
> 86 %
> 89 %
> 90 %
Efficiency at full load, on ECo mode
> 95 %
> 96 %
> 97 %
overload on line mode
102-130 %, 12 sec.
102-130 %, 2 min.
130-150 %, 1.5 sec.
130-150 %, 30 sec.
> 150 %, 100 ms.
overload on battery mode
102-130 %, 12 sec.
102-130 %, 10 sec.
> 130-150 %, 1.5 sec.
-
> 150 %, 100 ms
Crest factor
3:1
Quantity of equipments in parallel
not available
2 UPSs
Static bypass
Type
Common line with mains power supply
Hybrid (thyristors in antipa relay)
Separate terminals
Hybrid (thyristors in antipa relay)
nominal voltage
Mains power supply
208 / 220 / 230 / 240 V
nominal frequency
Mains power supply
50 / 60 Hz ±4 Hz
