1.STAMFORD Generator AVR MX321 2.Accept Small Order,Mix Order,OEM Order 3.Deliver within 5 Days

STAMFORD Generator AVR MX321

Technical Specification

SENSING INPUT

Voltage: 196-264V ac MAX,2 or 3 phase

Frequency: 50-60 Hz nominal

POWER INPUT(PMG)

Voltage: 170-220V ac max,3 phase, 3 wire

Current: 3A/phase

Frequency: 100-120 Hz nominal

OUTPUT

Voltage: max 120V dc

Current: continuous 3.7A dc(see note 1)

                Intermittent 6A for 10 secs

Resistance: 15 ohms minimum

Regulation: +/-0.5% RMS with 4% engine governing (see note 2)THERMAL DRIFT: 0.02% per deg.C change in AVR ambient(note 3)SOFT START RAMP TIME: 0.4-4 secondsTYPICAL SYSTEM RESPONSE

AVR response                 10ms

Filed current to 90%       80ms

Machine Volts to 97%    300ms

EXTERNAL VOLTAGE ADJUSTMENT: +/-10% with 5 k ohm 1 watt trimmer(see note 4)UNDER FREQUENCY PROTECTION

Set point 95% Hz(see note 4)

Slope 100-300% down to 30 Hz

Mx. Dwell 20% volts/S recovery

UNIT POWER DISSIPATION: 18 watts maximumANALOGUE INPUT

Maximum input +/- Vdc

Sensitivity 1V for 5% Generator Volts(adjustable)

Input resistance 1k ohm

QUADRATURE DROOP INPUT

10 ohms burden

Max. sensitivity: 0.22 A for 5% droop 0PF

Max. input: 0.33 A

CURRENT LIMIT INPUT

10 ohms burden

Sensitivity range: 0.5-1 A

OVER VOLTAGE DETECTOR INPUT

Set point: 300v. Time delay: 1 Sec(fixed)

CB trip coil volts: 10-30 vdc

CB trip coil resistance: 20-60 ohms

OVER EXCITATION PROTECTION

Set point 75V dc

Time delay 8-15 seconds(fixed)

ENVIRONMENTAL

Vibration 20-100 Hz 50mm/sec

                  100hz-2kHz 3.3g

Operation temperature -40-+70°C 

Relative Humidity 0-70 °C   95%

Storage temperature: -55 to +80 °C 

Product Photos

STAMFORD Generator AVR MX321