Original AS440 AVR For stamford alternator
Product Description
Original AS440 AVR For stamford alternator
Specifications:
Sensing input |
|
| Voltage |
Jumper 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 |
| Notes |
| 1. De-rate by 12% if mounted in portrait orientation. |
| 2. With 4% engine governing. |
| 3. After 2 minutes. |
| 4. Generator de-rate may apply. Check with factory. |
| 5. Factory set, semi-sealed, jumper selectable. |
| 6. Any device connected to the analogue input must be fully floating(galvanically isolated form ground), with an insulation strength of 500V ac |
| 7. De-rate output current by 5% per degree C above 60C. |
| 8. Non condensing |
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