High Quality Automatic Voltage Regulator Generator Avr As480 For Stamford
USD $1.01 - $20.25 /Piece
Min.Order:1 Piece
Hangzhou Holdwell Mechanical And Electrical Co., Ltd.
Automatic voltage regulator avr AS480 for Stamford generator avr:
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 |
We can offer products as followed:
Stamford: SX460,SX440,MX321,MX341,AS480,AS440
Leroy somer: R220,R230,R250,R438,R450,R448,R449,
Marathon:SE350,EA350
Common brushless Avr:8A,12A,15A
brushes :2kw,5kw,3DA,KXT-2WC,ST,STC
Mecc Alte:UVR6,SR7
Maralli :M40FA640A,M16FA655A