AVR for Carbon Brush Generator Set

EA75A220HL
EA75A220FL

EA75A220HL (Half Wave) and EA75A220FL (Full Wave) 75 Amp universal self excited genset voltage regulator compatible replacement for carbon brush type generators. There are also optional low frequency protection available.

  • Parallel version is available for option.

Brochure

Manual

Features

  • Voltage regulation < +/-1%
  • 50/60 Hz selectable
  • Full wave & half wave version available
  • Adjustable voltage, stability & field limit
  • Built-in high breaking capacity fuse
  • Forced-Air Cooling by internal fan
  • Under frequency protection

Specifications

Input
Voltage
170 to 265 Vac 1 phase 2 wire
Frequency
50/60 Hz selectable
Output (at 220 Vac input)
Voltage
EA75A220HL Max. 90 Vdc
EA75A220FL Max. 180 Vdc
Current
Continuous 75A
Intermittent 100A for 10 seconds
Resistance
EA75A220HL Min. 0.9 ohms
EA75A220FL Min. 1.6 ohms
Volts Regulation < +/-1% (with 4% engine governing)
Build Up Voltage * Residual volts at AVR terminal > 5 Vac @ 25 Hz
External Volts Adjustment +/-6%
Under Frequency Protection
(Factory Setting)
50 Hz system presets knee point at 45 Hz
60 Hz system presets knee point at 55 Hz
Environment
Operating Temperature
-40 to +60 °C
Storage Temperature
-40 to +85 °C
Relative Humidity
Max. 95%
Vibration
3Gs @ 100 to 2K Hz
Dimension 420.0 (L) x 191.0 (W) x 190.0 (H) mm
Weight
EA75A220HL
6.6 Kg +/-2%
EA75A220FL
8.0 Kg +/-2%
  • If residual voltage is below 5 Vac, user is suggested to install EB500 (auto flash module) to safely flash the field and build up residual voltage, or carefully execute manual field flash for more information please click on the below links for more information.

Dimension