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Description
AVR AS440 Automatic Voltage Regulator Module Fits Generator GensetPart Number: OEM NO. AS440 Application: For s or from an auxiliary winding if sustained short circuit performance is required. The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of + 1. 0%. The AVR voltage sensing terminals continuously sample the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the
Part Number:
OEM NO. AS440
Application:
For s or from an auxiliary winding if sustained short circuit performance is required.The AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/- 1.0%.The AVR voltage sensing terminals continuously sample the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor, of the generator.Over excitation conditions are limited to a safe period by a protection circuit within the AVR.Provision is made for the connection of a remote voltage trimmer, allowing the user fine control of the generator's output.An analogue input is provided allowing connection to a Newage Power Factor controller or other external devices with compatible output.The AVR has the facility for droop CT connection, to allow parallel running with other similarly equipped generators.
Specification:
SENSING INPUTVoltage Jumper selectable100-130 Vac 1 phase or190-264 Vac 1 phaseFrequency 50-60 Hz nominalPOWER INPUTVoltage 100-264 V ac 1 phaseFrequency 50-60 Hz nominalOUTPUTVoltage 82 V d. C. @ 200 V a. C.Current continuous 4A (see note 1).Transient 7.5A for 10 secs.Resistance 15 ohms min(10 ohms min when input volts is less than 175 ac)REGULATION+/- 1.0% (see note 2)THERMAL DRIFT0.03% per deg. C change in AVR ambient (see note 3)TYPICAL SYSTEM RESPONSEAVR response: 20 msFiled current to 90%: 80 msMachine Volts to 97%: 300 msEXTERNAL VOLTAGE ADJUSTMENT+/-10% with 1 k ohm 1 watt trimmer (see note 4)Increasing resistance lowers voltage.UNDER FREQUENCY PROTECTIONSet point: 94 -98% Hz (see note 5)UNIT POWER DISSIPATION12 watts maximumBUILD UP VOLTAGE4 Volts @ AVR terminalsANALOGUE INPUTMaximum input: +/- 5 Vdc (see note 6)Sensitivity: 1V for 5% Generator Volts (adjustable)Input resistance 1k ohmQUADRATURE DROOP INPUT10 ohms burdenMax. Sensitivity: 0.07 A for 5% droop 0PFMax. Input: 0.33 AOVER EXCITATION PROTECTIONSet point 75 V dcTime delay 10-15 seconds (fixed)ENVIRONMENTALVibration: 20-100 Hz 50mm/sec100Hz -2kHz 3.3gOperating temperature: -40 to +70o C (note 7)Relative Humidity: 0-70o C 95% (note 8)Storage temperature: -55 to +80o C
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