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.
  • All manufacturer names and numbers are used for reference purpose only and do not imply that any part is the product of these manufacturer.
  • Voltage regulation less than +/-1%
  • 3 phase PMG power input
  • For use in parallel operation
  • Adjustable EXC TRIP, DIP, TRIM and DROOP functions
  • Soft start voltage ramping
  • Under frequency roll off protection
  • UFRO and 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
Excitation Output
  • Voltage Max. 120 Vdc @ power input 220 Vac
  • Current Continuous 2.7A Intermittent 6A for 10 seconds
  • Resistance Min. 15 ohms
External Voltage Adjustment
  • Max. +/-10% @ 1K ohm 1 watt potentiometer
Voltage Regulation
  • Less than +/-1% (with 4% engine governing)
Build Up Voltage
  • 5Vac residual volts at power input terminal
Soft Start Ramp Time
  • 2 seconds +/-10%
Static Power Dissipation
  • Max. 12 watts
Analogue Voltage Input
  • Input Resistance 1K ohm
  • Max. Input +/-5 Vdc
  • Sensitivity 1V for 5% generator volt
Quadrature Droop Input
  • Burden 10 ohms
  • Max. Input 0.33A
  • Max. Sensitivity 0.07A for 5% droop (PF=0)
Over Voltage Detector Input
  • Set Point 300V
  • Time Delay 1 second (fixed)
  • CB Trip Coil Volts 10 to 30 Vdc / 0.5 Amp
  • CB trip coil resistance 20 to 60 ohms
Current Limit Input
  • Burden 10 ohms
  • Sensitivity Range 0.5 to 1A
Under Frequency Protection (Factory Presets)
  • Set Point 95% Hz
  • Slope 170% down to 30 Hz
Over Excitation Protection
  • Set Point 90 Vdc
  • Time Delay 10 seconds (fixed)
Voltage Thermal Drift
  • Less than 3% at temperature range -40 to +70 °C

AVR Control Functions
VOLT
  • Voltage adjustment
STAB
  • Stability adjustment
UFRO
  • 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

Environment
Operating Temperature
  • -40 to +70 °C
Storage Temperature
  • -40 to +85 °C
Relative Humidity
  • Max. 95%
Vibration
  • 3.3 Gs @ 100 to 2K Hz

Physical Specifications
Dimensions
  • 150.0 (L) x 135.0 (W) x 48.0 (H) mm
Weight
  • 394 g +/-2%
Weight 0.4 kg
Dimensions 15 × 13.5 × 4.8 cm

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