EA341

Permanent Magnet Generator Automatic Voltage Regulator

EA341 Permanent Magnet Generator type voltage regulator is a compatible replacement for Newage Stamford MX341 and Onan 305-0846.

Dimension
150.0 (L) x 135.0 (W) x 48.0 (H) mm

Weight
394 g +/-2%

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Features

Voltage regulation < +/-1%

3 phase PMG power input

For use in parallel operation

Adjustable EXC TRIP, DIP, TRIM & DROOP functions

Soft start voltage ramping

Under frequency roll off protection

UFRO & over excitation LED indicators


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

Output
Voltage
Max. 120 Vdc
Current
Continuous 2.7A
Intermittent 6A for 10 seconds
Resistance
Min. 15 ohms

Voltage Regulation
< +/-1% (with 4% engine governing)

Build Up Voltage
Residual volts at AVR terminal > 5 Vac

External Volts Adjustment
+/-10% with 1 kΩ 1 watt trimmer

Unit Power Dissipation
Max. 12 watts

Thermal Drift
0.05% per °C change in AVR ambient

Soft Start Ramp Time
3 seconds

Analogue Input
Max. Input +/-5 Vdc
Sensitivity 1V for 5% generator volts
Input Resistance 1 kΩ

Droop Input
Burden 10 ohms
Max. Sensitivity 0.07A for 5% droop (PF=0)
Max. Input 0.33A

Under Frequency Protection (Factory Setting)
Set Point 95% Hz
Slope 170% down to 30 Hz

Current Limit Input
Burden 10 ohms
Sensitivity Range 0.5A to 1A

Over Voltage Detector Input
Set Point 300V
Time Delay 1 second (fixed)
CB Trip Coil Volts 10 to 30 Vdc / 0.5 Amp

Over Excitation Protection
Set Point 90 Vdc
Time Delay 10 seconds (fixed)

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