STAMFORD AVR AS480
Specifications
1.Quality guaranteed
2.factory direct sales
3.brushless.
4.Good quality & price
Stamford 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
|
|
|
|
|
