Product Features 1.Introduction:SX460 is a half-wave phase-
controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes under speed and sensing loss protection to ensure safe, reliable control of the generator. Positive voltage build up from residual levels is ensured by the use of proficient semiconductors inthe power circuitry of the AVR. Which is linked with the main stator windings and the exciter field windings to offer closed loop control of the output voltage with load regulations of +/- 1.5% Stability adjustmentUnder frequency roll off adjustment 2.Technical
data:Parameter sheet of Standford AVR SX460InputVoltageJumper
selectable 95-132V ac or 190-264V acFrequency50-60 Hz
nominalPhase1OutputVoltagemax 90V dc at 207V ac
inputCurrentcontinuous 4A dc, intermittent 6A for 10
secsResistance15 ohms minimumRegulation+/- 1.0%Thermal Drift0.05%
per deg. C change in AVR ambientTypical system responseAVR
response20msFiled current to 90%80 msMachine Volts to
97%300msExternal voltage adjustment+/-10% with 1 k ohm 1 watt
trimmerUnder frequency protectionSet point95% HzSlope170% down to
30 HzUnit power dissipation12 watts maximum10 watts maximumBuild up
voltage4 Volts @ AVR terminalsEnvironmentalVibration20-100
Hz,50mm/se100Hz - 2kHz, 3.3gOperating temperature-40 to +70 Deg.
CRelative Humidity 0-70 Deg. C95%Storage temperature-55 to +80 Deg.
C3. Pictures /* March 10, 2023 17:59:20
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