Automatic Voltage Stabilizers Three Phase Sensing

EA15A3H

Generator Automatic Voltage Regulator 15 Amp 3 Phase Sensing

EA15A3H 15 Amp 3 phase sensing self excited brushless type genset voltage regulator is an universal AVR to replace genset with 3 phase sensing requirement.

Brochure

Manual

Rotating Image

Features

  • Voltage regulation < +/-0.5%
  • 220/380/440 Vac input voltage sensing
  • 3 phase sensing
  • High 15A output current
  • 50/60 Hz under frequency protection
  • Soft start ramping
  • Built-in high breaking capacity fuse

Specifications

Sensing Input
Voltage
220/380/440 Vac 3 phase 3 wire
Frequency
50/60 Hz selectable
Power Input
Voltage
100 to 300 Vac 1 phase 2 wire
Output
Voltage
Max. 90 Vdc @ 240 Vac input
Current
Continuous 15A
Intermittent 20A for 10 seconds
Resistance
Min. 4 ohms @ 35 volts output
Volts Regulation < +/-0.5% (with 4% engine governing)
Build Up Voltage Residual volt. at AVR terminal > 5 Vac
External Volts Adjustment +/-15% with 5 kΩ 1 watt trimmer
Unit Power Dissipation Max. 8 watts
Soft Start Ramp Time 2 seconds
Thermal Drift 0.03% per °C change in AVR ambient
Under Frequency Protection 50 Hz system presets knee point at 45 Hz
60 Hz system presets knee point at 55 Hz
Environment
Operating Temperature
-40 to +65 °C
Storage Temperature
-40 to +85 °C
Relative Humidity
Max. 95%
Vibration
3.3Gs @ 100 to 2K Hz
AVR Control Functions
VOLT
Voltage adjustment
STAB
Stability adjustment
U/F
Setting under frequency protection knee point
Dimension 150.0 (L) x 135.0 (W) x 72.0 (H) mm
Weight 867 g +/-2%

Dimension