EA341

Kutai EA341 Automatic Voltage Regulator (AVR).

Automatic Voltage Regulator (AVR)

Specifications

Sensing Input	Voltage 190 to 264 Vac 1 phase 2 wire \| Frequency 50/60 Hz selectable
Power Input (PMG)	Voltage 170 to 220 Vac 3 phase 3 wire \| Current 3A / phase \| Frequency 100 to 120 Hz nominal
Excitation Output	Voltage Max. 120 Vdc @ power input 220 Vac \| Current Continuous 2.7A Intermittent 6A for 10 seconds \| Resistance Min. 15 ohms
External Voltage Adjustment	Max. +/-10% @ 1K ohm 1 watt potentiometer
Voltage Regulation	Less than +/-1% (with 4% engine governing)
Build Up Voltage	5Vac residual volts at power input terminal
Soft Start Ramp Time	2 seconds +/-10%
Static Power Dissipation	Max. 12 watts
Analogue Voltage Input	Input Resistance 1K ohm \| Max. Input +/-5 Vdc \| Sensitivity 1V for 5% generator volt
Quadrature Droop Input	Burden 10 ohms \| Max. Input 0.33A \| Max. Sensitivity 0.07A for 5% droop (PF=0)
Over Voltage Detector Input	Set Point 300V \| Time Delay 1 second (fixed) \| CB Trip Coil Volts 10 to 30 Vdc / 0.5 Amp \| CB trip coil resistance 20 to 60 ohms
Current Limit Input	Burden 10 ohms \| Sensitivity Range 0.5 to 1A
Under Frequency Protection (Factory Presets)	Set Point 95% Hz \| Slope 170% down to 30 Hz
Over Excitation Protection	Set Point 90 Vdc \| Time Delay 10 seconds (fixed)
Voltage Thermal Drift	Less than 3% at temperature range -40 to +70 °C

AVR Control Functions

VOLT	Voltage adjustment
STAB	Stability adjustment
UFRO	Setting under frequency protection knee point
DROOP	To set the Droop to 5% at PF=0
TRIM	To optimize analogue input sensitivity
EXC TRIP	Over excitation trip level set
DIP	Hz related voltage DIP set

Environment

Operating Temperature	-40 to +70 °C
Storage Temperature	-40 to +85 °C
Relative Humidity	Max. 95%
Vibration	3.3 Gs @ 100 to 2K Hz

Physical Specifications

Dimensions	150.0 (L) x 135.0 (W) x 48.0 (H) mm
Weight	394 g +/-2%