Single/Three Phase Sensing and Single/Three Phase Power Input 12Amp AVR
ADVR-12 is an universal hybrid Analog-Digital automatic voltage regulator which is capable for multiple power input such as Shunt, Auxiliary Winding, PMG.

Features

• 1 or 3 phase sensing input and power input
• Voltage regulation less than +/-0.5%
• 220/380/440/480 Vac programmable input
• DIP switch selectable 50/60 Hz
• Multiple excitation system compatibility: SHUNT, AUX, PMG
• Inverse-time over excitation protection
• Under frequency protection and soft start voltage ramping
• EMI suppression
• Built-in high capacity protection fuse
• Apply with KUTAI IVT-1260/IVT-2460 to exceeds normal generator motor starting capabilities

  Specifications

  • Sensing Input
  • Voltage 180 to 520 Vac 1 or 3 phase selectable
    Frequency 50/60 Hz selectable

  • Power Input
  • Voltage 60 to 300 Vac 1 or 3 phase
    Frequency 50 to 500 Hz

  • Output
  • Voltage Max. 125 Vdc @ power input 220 Vac
    Current Continuous 12A Intermittent 25A for 10 seconds
    Resistance
    ≧ 5 ohms @ power input 110 Vac
    ≧ 11 ohms @ power input 220 Vac

  • Burden in Shunt and PMG Wiring
  • 1320 VA @ power input 110 Vac
    2640 VA @ power input 220 Vac

  • Voltage Regulation
  • Less than +/-0.5% (with 4% engine governing)

  • Build Up Voltage
  • 6 Vac 25 Hz residual volts at power input terminal

  • Static Power Dissipation
  • Max. 12 watts

  • EMI Suppression
  • Internal electromagnetic interference filtering

  • Over Excitation Protection
  • Inverse-time 125 +/-5 Vdc @ power input 220 Vac

  • External Voltage Adjustment
  • +/-5% 10K ohms 1 watt potentiometer

  • Soft Start Ramp Time
  • 4 seconds +/-10%

  • Voltage Thermal Drift
  • Less than 3% at temperature range -40 to +70 °C

  • Analog Input
  • Un 0 to 10% @ 0 to 10 Vdc or +/-0.5 Vdc

  • Quadrature Droop Input
  • CT 1A/5A Max. +/-5% @ P.F +/-0.7

  • Under Frequency Protection (Factory Presets)
  • 50 Hz system presets knee point at 47 Hz
    60 Hz system presets knee point at 57 Hz
    (-40 to +70 °C deviation 0.1 Hz)

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  AVR Control Functions

  • VOLT
  • Voltage adjustment

  • STAB
  • Stability adjustment

  • U/F
  • Setting under frequency protection knee point

  • DROOP
  • Current compensation droop adjustment

  • TRIM
  • Analogue input adjustment

  • DIP
  • Voltage droop ratio setting

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  Indication LED

  • O/E
  • Over excitation protection indicator

  • U/F
  • Under frequency protection indicator

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  Environment

  • Operating Temperature
  • -40 to +70 °C

  • Storage Temperature
  • -40 to +85 °C

  • Relative Humidity
  • Max. 95%

  • Vibration
  • 3.0 Gs @ 100 to 2K Hz

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  Physical Specifications

  • Dimension
  • 214.0 (L) x 163.0 (W) x 45.7 (H) mm

  • Dimensions

    
  • Weight
  • 1130 g +/-2%