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AVR SX460 for brushless Generator
SX460 Automatic Voltage Regulator
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Description:
SX460 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator(AVR) and forms part of the exciation system for a brush-less generator.
In addition to regulating the generator voltage,the AVR circuitry includes under-speed and sensing loss protection features.Excitation power is derived directly from the generator termainals.Positive voltage build up from residual levels is ensured by the use of effcient semiconductors
in the power circuitry of the AVR.Provision is made for the connection of a remote voltage trimmer,allowing the user fine control of the generator’s output
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Specification:
INPUT Voltage Jumper selectable95-132V ac or 190-264V ac
Frequency 50-60HZ nominal
Phase 1
Output Voltage max 90V dc at 207V ac input
Current continuous 4A dc
Intermittent 6A for 10 secs
Resistance 15 ohms minimum
REGULATION
+/-1%
THERMAL DRIFT
0.05% per deg.C change in AVR ambient
TYPICAL SYSTEM RESPONSE
AVR respone 20ms
Filed current to 90% 80ms
Machine Volts to 97% 300ms
EXTERNAL VOLTAGE ADJUSTMENT
+/-10% with 1k ohm 1 watt trimmer
UNDER FREQUENCY PROTECTION
Set point 95%HZ
Slope 170% down to 30HZ
UNIT POWER DISSIPATION
10 watts maximum
BUILD UP VOLTAGE
4 Volts @ AVR terminals
Environmental
Vibration 20-100HZ 50mm/sec
100Hz 2kHz 3.3g
Operating temperature -40 to +70 C
Relative Humidity 0-70C 95%
Storage temperature -55 to +80 C
Notes:
1.With 4% engune governing
2.After 10 minutes.
3.Applies to Mod status F onwards.Generator de-rate may apply.Check with factory.
4.Factor set,semi-sealed,jumper selectable.
5.Non condensing.
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