Generator AVR STAMFORD AS440

Technical Specification

• SENSING INPUT

Voltage: Jumper selectable

100-130V ac MAX,1 phase or 190-264 Vac 1 phase

Frequency: 50-60 Hz nominal

• POWER INPUT(PMG)

Voltage: 100-264V ac 1 phase

Frequency: 50-60 Hz nominal

• OUTPUT

Voltage: 82 V d.c. @ 200 V a.c.

Current: continuous 4A

transient 7.5A for 10 secs.

Resistance: 15 ohms min(10 ohms min when input volts is less than 175 ac)

• Regulation: +/-1%
• THERMAL DRIFT: 0.03% per deg.C change in AVR ambient(note 3)
• TYPICAL SYSTEM RESPONSE

AVR response 20ms

Filed current to 90% 80ms

Machine Volts to 97% 300ms

• EXTERNAL VOLTAGE ADJUSTMENT: +/-10% with 1k ohm 1 watt trimmer Increasing resistance lowers voltage.
• UNDER FREQUENCY PROTECTION

Set point 94-98% Hz

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

Maximum input +/- 5Vdc

Sensitivity 1V for 5% Generator Volts(adjustable)

Input resistance 1k ohm

• QUADRATURE DROOP INPUT

10 ohms burden

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

Max. input: 0.33 A

• OVER EXCITATION PROTECTION

Set point 65V dc

Time delay 10-15 seconds(fixed)

• ENVIRONMENTAL

Vibration 20-100 Hz 50mm/sec

100hz-2kHz 3.3g

Operation temperature -40 to +70°C

Relative Humidity 0-70 °C 95%

Storage temperature: -55 to +80 °C