Automatic Voltage Regulator AVR AS480
Automatic voltage regulator AVR AS480
1.AS480 description:
AS480 is a half wave phase controlled AVR which forms part of the excitation structure of the brushless generator.
2.AS480 Characteristics
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 |
3.We still supply AVR:
STAMFORD AVR |
LEROY SOMER |
General AVR |
Basler series |
MeccAlte series |
Marelli series |
Marathon series |
AS440 |
R230 |
GAVR-8A |
EA04C |
EA06A/UVR6 |
M40FA640 |
SE350 |
SX440 |
R250 |
GAVR-12A |
EA05A |
SR7/2 |
M16FA655A |
|
SX460 |
R438 |
GAVR-15A |
EA08A |
|
|
|
MX341 |
R448 |
50A-board |
EA15A |
|
|
|
MX321 |
R449 |
|
EA350 |
|
|
|
AS480 |
R450 |
|
|
|
|
|
EA440-T |
|
|
|
|
|
|
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