15KVA to 30KVA UPS Systems (3Ph - 3Ph) - LP Series
  
     
 
Features   LP Series UPS
  • 15-30KVA in 4 Ratings
  • Can Feed 100% Unbalanced Load and Still Maintain ±1% Regulation Per Phase
  • Sophisticated High Specification On Line Configuration with Optional Static Switch
  • State of the Art IGBT Based Pulse Width Modulation (PWM) Technology to Reduce Harmonic Distortion and Increase Both Crest Factor Tolerance and Dynamic Stability
  • Higher Efficiency of Operation Means Crotech UPS has Significantly Lower Running Costs than Leading Competitors
  • Continuously Delivers Full Rated Power at Ambient as high as 45ºC
  • Parallel Operation of UPS
  • Comprehensive Indication of Normal and Fault Conditions
  • Excellent Unbalanced Line & Load Performance
  • Compatible with Sealed Maintenance Free Battery as well as Tubular Lead Acid Batteries
  • Compact Cabinet & Ultra Light Weight
  • Easy Installation with Wheels for Manoeuvreability and Front Terminal Box
  • Optional Remote Status Panel
     

Technical Specifications
MODEL
LP3015
LP3020
LP3025
LP3030
RATED POWER (at PF 0.8)
15KVA
20KVA
25KVA
30KVA
INPUT 
Voltage Nominal
             Range
400V AC
340V AC to 460V AC.
Frequency Nominal
                  Range
50Hz.
47 to 53Hz.
Phase
Three Phase, 4 Wire.
AC to AC Efficiency
>85% peak
>87% peak
OUTPUT 
Power Max.
15KVA/12KW
20KVA/16KW
25KVA/20KW
30KVA/24KW
Current
21.7 Amps.
29.0 Amps.
36.2 Amps.
43.5 Amps.
Voltage
400V AC.
Voltage Regulation
±1% Typical.
Frequency
50Hz.
Frequency Stability
±0.05%.
Phase
Three Phase & Neutral..
Waveform
Sinewave.
Total Harmonic Distortion
Less than 2% with Linear Load.
TRANSIENT RESPONSE
(100% Load Step)
Less than ±5%.
RESPONSE TIME
Less than 60 milli-seconds to reach within ±2%.
LOAD POWER FACTOR RANGE
Unity to 0.8 Lag within specified max. output power ratings.
OVERLOAD RATING a) 1/2 Hour
b) 10 Seconds
c) 10 Cycles
120%
150%
200%   
PROTECTIONS a) Input Over/Under Voltage
b) Phase Fail
c) Overload at the Output
d) SOAR Protection for IGBTs
e) Output AC Over/Under voltage
f) High Speed Fuses for Semi-Conductor Devices
g) Snubber Circuits for Power Semi-Conductor Devices
INDICATIONS a) Mains On
b) Inverter On
c) Battery on Charge
d) Mains Over/Under Voltage
e) Phase Fail
f) Low Battery Imminent
g) Battery Over/Under Voltage
h) Inverter Over/Under Voltage
i) Inverter Overload
j) Overheat
AUDIBLE ALARM
For Conditions from (d) to (j) a Local Buzzer operates.
REMOTE INDICATIONS
A potential free contact is provided for fault indications and alarm.
COMPUTER INTERFACE
RS-232 (Optional).
METERING 16x2 LCD to measure the following :
a) AC Input/Output Voltage per Phase
b) Load Percentage
c) DC Voltage
d) Battery Percentage
e) Output Frequency
BATTERY    
Nominal Voltage
384V DC.
Type
Sealed maintenance free/tubular lead Acid Battery.
Standby Period
(Full Load at 0.8 PF)
30 Minutes (can be increased upto 2 hrs. and extended further on request).
GENERAL    
Operating Temperature
0 to 45ºC.
Storage
-20ºC to +65ºC.
Finish
Cool Grey Shade No.5-C & 1-C.
Relative Humidity
Non Condensing
0 to 95%.
Enclosure Protection
IP20.
Dimensions  HEIGHT
                    WIDTH
                    DEPTH
1250mm
700 mm
550 mm
1300 mm
700 mm
550 mm
1300 mm
800 mm
550 mm
Weight
250 Kgs.
300 Kgs.
350 Kgs.
375 Kgs.
OPTIONAL STATIC SWITCH    
Transfer Time a) Less than 5 milli-seconds from inverter to mains.
b) Less than 5 milli-seconds from mains to inverter.
Indications a) Aux. Supply On
b) Load on Inverter
c) Load on Aux. Supply
d) Manual Bypass On
 

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