Avr Sx440 Module Automatic Voltage Regulator For Newage Sta

The AVR has the faclity for droop CT connection,to allow parallel running with other similarly equipped generators.

SX440 is a two phase sensed Automatic Voltage Regulator(AVR) and forms part of the exciation system for a brush-less generator.

The AVR senses the voltage in the main generator winding and control the power fed to the exciter stator and hance the main rotor to maintain the generator output voltage within the specified limits, compensating for load sprrd,temperature and power factor of the generator.

Vibration:20 -100HZ (50mm/sec), 100Hz -2kHz

Colour: Black

Material: metal + PC

Sensing Input:

Voltage: 190-264V ac max, 1 phase 2 wire

Frequency: 50-60HZ nominal

Power inpot

Voltage: 140-220 V ac max, 3 phase,3 wire

Current: 3A/phase

Frequency: 100-120HZ nominal

Out put

Voltage: max 120V/DC

Current: continuous 2.7A/DC

Intermittent 6A for 10 secs

Resistance: 15 ohms minimum

Regulation: +/-1%

Thermal drift: 0.03% per deg.C change in AVR ambient

Soft start pamp time: 3 sec

Typical system response

AVR respone: 10ms

Filed current to 90%: 80ms

Machine Volts to 97%: 300ms

External voltage adjustment: +/-10% with 1k ohm 1W trimmer

Under frequency protection

Set point: 95%HZ

Slope: 170% down to 30HZ

Unit power dissipation: 12 watts maximum

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 OPF

Max.input:0.33A

Over excitation protection

Set point:75V/DC

Time relay:10 sec

Environmental

Vibration:20 -100HZ (50mm/sec), 100Hz -2kHz

Operating temperature: -40oC to +70 oC

Relative Humidity: 95%

Storage temperature: -55oCto +80oC

Package Contents: 1 x Automatic Voltage Regulator

Only the above package content, other products are not included.

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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