EA440

EA440

Kutai EA440 Automatic Voltage Regulator (AVR).

Automatic Voltage Regulator (AVR)

Specifications

Sensing InputVoltage 190 to 264 Vac 1 phase 2 wire | Frequency 50/60 Hz selectable
Excitation OutputVoltage Max. 90 Vdc @ power input 207 Vac | Current Continuous 4A Intermittent 10A for 10 seconds | Resistance Min. 15 ohms
External Voltage AdjustmentMax. +/-8% @ 1K ohm 1 watt potentiometer
Voltage RegulationLess than +/-1% (with 4% engine governing)
Build Up Voltage5Vac residual volts at power input terminal
Soft Start Ramp Time2 seconds +/-10%
Static Power DissipationMax. 12 watts
Quadrature Droop InputBurden 10 ohms | Max. input 0.33A | Max. sensitivity 0.07A for 5% droop (PF=0)
Analogue Voltage InputInput resistance 1K ohm | Max. input +/-5 Vdc | Sensitivity 1V for 5% generator volts
Under Frequency Protection | (Factory Presets)Set point 95% Hz | Slope 170% down to 30 Hz
Voltage Thermal DriftLess than 3% at temperature range -40 to +70 °C

AVR Control Functions

VOLTVoltage adjustment
STABStability adjustment
UFROSetting under frequency protection knee point
DROOPDroop adjustment
TRIMAnalogue input adjustment
DIPU/V rate set

Environment

Operating Temperature-40 to +70 °C
Storage Temperature-40 to +85 °C
Relative HumidityMax. 95%
Vibration3.3 Gs @ 100 to 2K Hz

Physical Specifications

Dimensions150.0 (L) x 135.0 (W) x 48.0 (H) mm
Weight418 g +/-2%