Universal 75Amp Carbon Brush Generator Automatic Voltage Regulator EA75A220HL / EA75A220F KUTAI

Universal 75Amp Carbon Brush Generator Automatic Voltage Regulator
Designed for self-excited carbon brush generators, the EA75A220 series automatic voltage regulators are available in full-wave EA75A220FL and half-wave EA75A220HL models, with built-in low-frequency protection and forced fan cooling, as well as models that can be used for parallel generator operation to meet the needs of diverse applications.
characteristic
Voltage regulation less than +/-1%
50/60Hz are available
Full-wave or half-wave models are available
Voltage, stability, and magnetic field limits can be adjusted
It has the function of fuse protection with high blocking capacity
The built-in fan forcibly dissipates heat
Low-frequency protection function
specification
Measure the voltage input
Voltage 170 – 265 Vac single-phase two-wire
Frequency 50/60 Hz
Excitation output
(when power supply 220Vac input)
voltage
EA75A220HL 90 Vdc max
EA75A220FL 180 Vdc max
Current: 75A continuously, 100A in 10 seconds, non-continuous
Excitation impedance
EA75A220HL minimum 0.9 Ω
EA75A220FL minimum 1.6 Ω
Voltage regulation
Less than +/-1% (frequency variation within 4%)
Voltage build-up *1
The residual magnetic voltage at the AVR input terminal is 5Vac or higher @ 25 Hz
Voltage regulation range
+/-6%
Low Frequency Protection (Factory Configuration)
50Hz system The turning point is 45Hz
60Hz system with a turning point of 55Hz
Working environment
as temperature
-40 to +60 °C
Storage temperature
-40 to +85 °C
Relative turbidity
Below 95%.
vibration
3.0 Gs @ 100 – 2K Hz
Physical characteristics
size
420.0 (L) x 191.0 (W) x 180.0 (H) mm
weight
EA75A220HL 6.6 Kg +/-2%
EA75A220FL 8.0 Kg +/-2%