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電力轉換器

LPPF-Metal Case

下載 產品諮詢
LP系列傳感器設計為高精度和出色的長期穩定性。
對於公用事業而言，該裝置非常有用，包括工業界和實驗室，用於高磁場抗擾度和有功功率測量失真波形。

LPPF功率因數傳感器適用於以下接線，1相2或3線平衡負載/ 3相3線平衡負載/ 3相4線平衡負載，帶AO輸出。
  • 可量測單相或三相系統
  • 最高精度可達0.2% ro
  • 優異的長時間穩定性
  • 出色的性能及溫度特性
  • 寬範圍的輸入及輸出選擇
  • 符合ANSI C37.90（1989）和BEAMA No. 219 測試 
  • 高磁場隔離
  • Accuracy ( 23±3°C ) 0.2% RO + 0.3°
  • 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
    • Current related input
      • 1A / 5A 
        • 4 x rated / continuous
        • 10 x rated / 10 seconds
        • 50 x rated / 1 second
        • 80 x rated / 0.5 second
      • 10A
        • 2 x rated / continuous
        • 25 x rated / 1 second
        • 50 x rated / 0.5 second
    • Voltage related input
      • 1.5 x rated / continuous
      • 2 x rated / 10 seconds
  • 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 Named frequency ± 2 Hz
  • Waveform Sinusoidal
  • Stability Temperature range ( 20 to 26°C) long term stability / year
    • Maximum 70 ppm / °C less 0.2% draft / year typically
  • Storage condition Temperature range -25 to 70°C, RH 20 to 95% non condensed
  • Operating condition Temperature range -20 to 65°C, RH 0 to 99% non condensed
  • Magnetic field effect < 0.01% under 100 ampere turns at 1M center
  • Power dissipation < 3.5 VA

認證

  • CE
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