Automatic Voltage Regulator AVR EA15A for Universal Generator
Description:
Voltage regulation < ±0.5%
220/380/440/480 VAC Input voltage sensing
3-phase sensing
High 15A output current
50/60 Hz under frequency protection
Soft start ramping
Built-in fuse with high breaking capacity
Technical parameters:
Voltage 220/380/440 VAC, 3-phase 3-wire
Frequency 50/60 Hz selectable
Power input voltage 100~300 VAC, 1 phase 2-wire
Output voltage Max. 90 VDC @ 240 VAC input
Current continuous 15A, intermittent 20A for 10 sec.
Resistance Min. 4Ω @ 35 volts output
Voltage regulation < ±0.5% (with 4% motor control)
Voltage build-up Residual voltage at AVR terminal > 5 VAC
External voltage adjustment ±15% with 5 KΩ 1 watt trimmer
Device power dissipation Max. 8 watts
Soft start ramp time 2 sec.
Thermal drift 0.03% per °C change in AVR ambient
Under Frequency Protection, the 60 Hz system sets the knee point to 55 Hz
The 50 Hz system presets the knee point to 45 Hz
Environment Operating temperature: -40~65 °C
Storage temperature: -40~85°C
Relative humidity: max 95%
Vibration: 3.3G @ 100~2KHz
AVR Control Functions VOLTS: Voltage Adjustment
STAB : Stability adjustment
U/F*: To set the U/F knee point (*U/F: Under Frequency Protection)