Powercalm

  • Quick response time 10 milli sec (half a cycle)
  • Very high efficiency above 98 %
  • Excellent regulation – as high as +/- 0.5%
  • “micro controller “controlled system
  • Wide input range of operations &high speed of correction

Note
Image shown are just indicative and will change due to research and development activities

ParameterSpecification
Input Voltage Range Output240-465v/295-465v/340-465v AC 3Ph
Voltage (3ph) System415 V Ac
ConnectionsUnbalanced 4 wire : RYBN
Operating FrequencyStar
Output Voltage Adjustable47 to 53 Hz
Output Voltage Regulation380 to 415 V AC in Ph
Output Voltage Regulation+/- 1% (No load)
Over Load Capacity+/- 1% (full load)
Correction Rate120%
Waveform Distortion60/30/25V per sec -3 phase :NIL
Output Waveform InsulationReal reproduction of input : Class F
Short Circuit Period & Percentage300% for 250 milli sec
Normal Operation Temperature0°c to 45° C
Type of CoolingNatural air cooled up to 100 KVA
System ConstructionAs per IS: 9815-1994

Metering on LCD Display

  • 3ph input voltage ph to ph and ph to neutral
  • 3ph output voltage ph to ph and ph to
  • Neutral
  • System frequency
  • Output current on each ph

Indications in LCD Display

  • Input high and input low
  • Output on indication
  • Output high cut off and output low cut off

Programmable Control Timings

  • Over load cut off time
  • Auto restart time
  • On & Off delay time

Protections

  • Single phasing prevention
  • Output electronic over load protection
  • Phase reversal protection
    Input short circuit
  • Protection with MCB
    Input over load protection with MCB
  • Output low voltage protection
  • Output high voltage protection

Programmable Parameters

  • Output voltage set (210-245V)
  • Output low voltage cut off
  • Output high voltage cut off
  • Input low on LCD display
  • Input high on LCD display
  • Sensitivity/Regulation
  • Over load cut off
  • CT full scale