3 Phase AC Generator AVR Ac Automatic Voltage Regulator 220v AS440 Adjustable Voltage Protector

1 Phase Generator AVR AS440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator(AVR) and forms part of the excitation system for a brushless alternator.

Technical specification

Sensing input

Voltage mper selectable 100-130V ac 1 phase or 190-264V ac 1 phase

Frenquency 50-60Hz nominal

Power input

Voltage 100-264V ac 1 phase

Frequency 50-60Hz nominal

Output

Voltage 82V dc @200V ac

Current continuous 4A

transient 7.5A for 10 secs

Resistance 15 ohms min (10 ohms min when input volts i s less than 175ac)

Regulation +/-1.0%

Thermal Drift 0.03% per deg. C change in AVR ambient

Typical System Response AVR response 20ms

Field current to 90% 80ms

Machine Volts to 97% 300ms

External Voltage Adjustment +/-10% with 1 k 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 +/-5V dc

Sensitivity 1V for 5% Generator Volts(adjustable)

input resistance 1k ohm

Quadrature Droop input 10 ohms burden

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

Max. input: 0.33A

Over Excitation protection Set point 75V dc

Time delay 10-15 seconds(fixed)

Environmental

Vibration 20-100Hz 50mm/sec

100Hz-2kHz 3.3g

Operating temperature -40 to +70C

Relative Humidity 0-70C 95%

Storage temperature -55 to +80C