ADVR-12

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.
* It can be used with KUTAI IVT Generator Excitation Booster to increase motor starting capacity.
  • All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.
  • 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)

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

Indication LED
O/E
  • Over excitation protection indicator
U/F
  • Under frequency protection indicator

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

Physical Specifications
Dimension
  • 214.0 (L) x 163.0 (W) x 45.7 (H) mm
Weight
  • 1130 g +/-2%
Weight 1.13 kg
Dimensions 21.4 × 16.3 × 4.57 cm

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