Stamford AVR AS480:
1. High quality and best price
2. Good reputation and service
3. Fast delivery time
AS480 is a half wave phase controlled AVR which forms part of the excitation structure of the brushless generator.
Packaging & Delivery
Packaging Detail: Carton
Delivery Detail: Within two days after we receive the deposit
1. High quality and best price
2. Good reputation and service
3. Fast delivery time
AS480 is a half wave phase controlled AVR which forms part of the excitation structure of the brushless generator.
Packaging & Delivery
Packaging Detail: Carton
Delivery Detail: Within two days after we receive the deposit
|
Technical specification |
|
|
Sensing and power input |
|
|
voltage |
100-264 Vac 1 phase |
|
frequency |
50-60 Hz nominal |
|
output |
|
|
voltage |
82 V d. c. @ 200 V a. c. |
|
|
45 V d. c. @ 110 V a. c. |
|
Current |
Continuous 5 A dc. transient 7.5A for 10 secs. |
|
resistance |
15 ohms min |
|
regulation |
+/- 1.0% |
|
Thermal drift |
0.03% per deg. C change in AVR ambient |
|
Typical system response |
|
|
AVR response |
20 ms |
|
Filed current to 90% |
80 ms |
|
Machine volts to 97% |
300ms |
|
External voltage adjustment |
+/- 10% with 1 k ohm 1 watt trimmer |
|
Under frequency protection |
|
|
Set point |
95% Hz(see note 4) |
|
Unit power dissipation |
12 watts maximum |
|
QUADRATURE DROOP INPUT |
|
|
Max. sensitivity |
0.07 A for 5% droop 0PF |
|
Max. input |
0.33 A |
|
OVER EXCITATION PROTECTION |
|
|
Set point |
67 V dc +/-3% |
|
Time delay |
10-15 seconds (fixed) |
|
Build up voltage |
4 volts @ AVR terminals |