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Digital Power Transducer for Utility LPW / LPK

Model & Ordering

      

 

Specification
  • Accuracy ( 23 + 3 oC ) : 0.07% reading / PF + 0.03% RO
  • Maximum output load :
    • DC current mode : maximum 10V drop
    • DC voltage mode : maximum 5mA drive
  • Dielectric strength : AC 2KV 1 minute between terminals; AC 2.6KV 1 minute / terminals to case
  • Surge and impulse test : ANSI C37.90 / 1989, IEEE-587, 1983
  • Maximum input over :
  •       
  • Input burden : Current less 0.2 VA; voltage less 0.1 VA
  • Response time & ripple :
    • <400 ms for step change 0-99%
    • ripple less 0.5% ro peak to peak
  • Frequency : 50 + 2 Hz ; 60 + 2 Hz ; 400 + 5 Hz ( Watt only )
  • Waveform : Watt - 2% 3rd, Var - sinusoidal
  • Stability : Temperature range ( 20 to 26oC ), long term stability / year
    • Maximum 60 ppm / oC , less 0.2% draft / year typically ....... LPW
    • Maximum 70 ppm / oC , less 0.2% draft / year typically ....... LPK
  • Storage condition : Temperature range -25 to 70oC, RH 20 to 95% non condensed
  • Operating condition : Temperature range -20 to 65oC, RH 0 to 99% non condensed
  • Magnetic field effect : < 0.01% under 100 ampere turns at 1M center
  • Power dissipation : < 3.5 VA
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