Original AS440 AVR For stamford alternator
Model No.︰AS440
Brand Name︰STAMFORD
Country of Origin︰United Kingdom
Unit Price︰US $ 300 / pc
Minimum Order︰1 pc
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 | |
Payment Terms︰ TT
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