MX341 Replacements Voltage Regulator Permanent Magnet Generators

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.

Brochure

Manual

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  • All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.

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)
Environment
Operating Temperature
-40 to +70 °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
DROOP
To set the Droop to 5% at PF=0
TRIM
To optimize analogue input sensitivity
EXC TRIP
Over excitation trip level set
DIP
Hz related voltage DIP set
Dimension 150.0 (L) x 135.0 (W) x 48.0 (H) mm
Weight 394 g +/-2%

Diagram and Dimensions

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