IGBT True Online UPS Systems

   Technical Specifications of 1Phase Online UPS
Input Voltage 170V-280V(Other Ranges On Request)
Battery Voltage 230V±1%V ac
Output Waveform Pure Sine Wave
Protecions D.C high& Low voltage output, under voltage over voltage, Overload & Short Circuit
Hormonic Distortion Less than 3%
Efficiency (Max) >90% for 180V D.C                                 
>85% for 48V D.C/72V /120V
Powe Factor 0.8 lagging to unity
Overload 100% for 10 Min, 200% for 5 cycles, 400% for ½ cycles or as per requirement
Crest Factor >4:1
Transient Recovery Within 3 cycles
Audible Noise Less than 50dB at 1 meter upto 10Kva

   Technical Specifications of 3 Phase Online UPS
Input  
Voltage Three Phase 415V (±15%)
Frequency 50Hz±3Hz
Rectifier/Charger 12 pulse Full control rectifier along with input isolation transformer
Rectifier/Charger I.G.B.T based rectifier to increase the power factor  (i.e 0.92)
Current Distortion Less than <10% THD in normal condition & rated full load
Power Factor Better than 0.8 LAG at normal & rated load.
Input Cut-off Automatic cut-off for input under/over voltage, single phase, phase reversal condition
Surge Protection Sustain input surges without damage as per standards
Battery charging Automatic float cum boost charger constant  voltage constant current type
Normal D.C Voltage 380/384V
Battery Type Suitable for all types of Batteries
Battery Charging Selectable 2/4/8A
Transient voltage ±5% under 80% step load change
Transient Recovery Upto 80% within 10msec
Crest Factor >3:1.
overload 120% for 10 min ,150% for 10 Cycles ,200% for Instantaneous trip                                                    
Circuit Method On-line PWM UPS, Zero transfer time
Control Method Sinusoidal PWM control switching
Frequency 12Khz Modulated over 50Hz
Temprature 0-50 Degree centigrade at ambient
Humidity 95% RH Max (Non Condensing)
Acoustic Noise Less than 65dBA at a distance at 1 Meter
Cooling Natural/Forced air type for Inverter
Output Station Output Isolation Transformer between inverter & Load
LED Indications  
L1 Mains On L2 D.C On L3 Batt. On charge
L4 Battery Charged L5 Rectifier Trip L6 Input OV
L7 Inverter UV L8 DC OV L9 Alarm on
L10 Inv On L11 Mains Fail L12 Auto off
L13 Alarm On L14 System Trip L15 Battery Low
L16 Output OV L17 Output OV L18 Output OC
   INVERTER TECHNOLOGY INVOLVED
Output/Inverter I.G.B.T high frequency double edge PWM Converter
Technology VLSI/FPGA based total software control
Phase balancing Capable for 100% unbalance load conditions at output with power factor 0.65 to unity
By pass Inverter is continuously tracking bypass input frequency within specified limits. By pass input may be stabilized with servo stabilizers & isolation transformer of another UPS system
Isolation Double wound isolation transformer between Inverter & output with galvanic isolation.
   STATIC SWITCH CHANGE OVER (Optional)
Change Over Switch Thyristorised static switch
Rating Capable of 300% overload capacity
Transfer/Retransfer Automatic Bi-directional
Change over period Sync. Mode-within 2msec
   DISPLAY ON LCD METER
Display 16x2 Alphanumeric
Display On LCD Input Voltage, RY,YB,BR, RN,YN,BN By pass input voltage RY, YB, BR, RN, YN, BN input frequency/Output frequency battery charge in % &  v/Cell output voltage  RY,YB,BR,RN,YN,BN load on system in % RYB phase
  PROTECTIONS PROVIDED TO RECTIFIER
Input Rectifier& D.C Link Nature of Protection
Input under Volt Electronic
Input over Current Circuit breaker (Fuseless)
Input phase fail Electronic
D.C over Volt Electronic
D.C over Current Fuse
   SMART  MONITORING SOFTWARE (Optional)
UPS Computer
Input Voltage Analog/Digital Display
By Pass input Voltage Analog/Digital Display
Input Frequency Analog/Digital Display
Battery Charge Bar Graph/Percentage
Output Voltage Analog/Digital Display
Event log book Log book of All events right from all voltages, Frequencies, load & Battery status On every event
   PROTECTION PROVIDED TO INVERTER
INVERTER OUTPUT NATURE OF PROTECTION METHOD
Inverter Input Fuse Semiconductor fuse (Fast blow)
Output Under Volt Electronic (Inverter Shut Down)
Output Over Volt Electronic (Inverter Shut Down
Output Over Current Electronic (Inverter Shut Down)
Electronic (Inverter Shut Down) Electronic (Fuse Less)