Generator AVR STAMFORD SX440

Technical Specification

• INPUT

Voltage: 190-264VAC

Frequency: 50-60 Hz nominal

Phase:1

Wire: 2

• OUTPUT

Voltage: max 90V dc at 207V ac input

Current: continuous 4A dc

Intermittent 6A for 10 secs

Resistance: 15 ohms minimum

• Regulation: +/- 1%(see note 1)
• THERMAL DRIFT: 0.04% per deg.C change in AVR ambient(note 2)
• TYPICAL SYSTEM RESPONSE

AVR response 20ms

Filed current to 90% 80ms

Machine Volts to 87% 300ms

• EXTERNAL VOLTAGE ADJUSTMENT: +/-10% with 1 k ohm 1 watt trimmer(see note 3)
• UNDER FREQUENCY PROTECTION

Set point 95% Hz(see note 4)

Slope 170% down to 30 Hz

• UNIT POWER DISSIPATION: 12 watts maximum
• BUILD UP VOLTAGE: 4 Volts @ AVR terminals
• ANALOGUE INPUT

Maxmum input +/- 5V dc (see note 5)

Sensitivity 1V for 5% Generator Volts (adjustable)

Input resistance 1k ohm

• QUADRATURE DROOP INPUT

10 OHMS BURDERN

Max.sensitiity: 0.07 A for 5% droop 0PF

• ENVIRONMENTAL

Vibration 20-100 Hz 50mm/sec

100Hz 2kHz 3.3g

Operating temperature -40 to +70°C

Relative Humidity 0-70 °C 95%(see note 6)

Storage temperature -55 to +80 °C