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Automatic voltage regulator AS480 avr for alternator generator, Operating Temperature -40 to +70 

Place of Origin: Zhejiang, China (Mainland) 
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Model No.: LXC7220

Automatic voltage regulator AS480 avr for alternator generator,  Operating  Temperature -40 to +70 Deg. C<

Automatic voltage regulator AS480 avr for alternator generator,  Operating  Temperature -40 to +70 Deg. C
 
 
 
 
Description-
 
 

 

SPECIFICAON

 

 

The AS480 is a half-wave phase-controlled AVR which forms part of the excitation structure of the brushless generator. 

Which also  incorporates

 an interface to the optional excitation boost system(EBS) for the use where short-circuit current safeguarding is required.

 Positive voltage build up from residual levels is ensured by the use of proficient  semiconductors in  the power circuitry of the

 AVR. The control and voltage sensing circuits have separate terminals,

allowing the excitation power to be resulting directly from the stator winding for necessary applications or from an auxiliary

 winding if sustained short circuit performance is essential. Which is linked with the main  stator  windings and the exciter field 

windings to offer closed loop control of the output voltage with load regulations of +/- 1.0%, In  response to his sample voltage, the AVR controls the power fed to the exciter field, and  hence the  main 

field, to sustain the machine output voltage within the specified limits, compensating for  load, speed,  temperature  and power factor of the generator.

 

 

 

 Sensing Input  Voltage  100-264 V ac 1 phase
 Frequency  50-60 Hz nominal
 Output  Voltage  82 V d.c. @ 200 Va.c power input; 45 V d.c. @ 110 Va.c power input.
 Current  Continuous 5A , transient 7.5A for 10 secs.
 Resistance  15 ohms minimum
 Regulation   +/- 1%
 Thermal Drift  0.03% per Deg. C change in AVR ambient
 Typical system 
 Response
 AVR response  20ms
 Filed current to 
 90%
 80 ms
 Machine Volts to 
 97%
 300ms
 External voltage adjustment  +/-10% with 1 k ohm 1 watt trimmer; Increasing resistance lowers voltage; Fixed 15kOhm resistor enables 110V sensing
 Under frequency protection  Set point:  94 -98% Hz
 Unit power dissipation  12 watts maximum
 Build up voltage  4 Volts @ AVR terminals
 QUADRATURE DROOP INPUT  10 ohms burden
 Max. sensitivity: 0.07 A for 5% droop 0PF
 Max. input: 0.33 A
 Over Excitation 
 Protection
 Set poit  67 Vdc +/-3% (fixed
 Time Delay  10-15 seconds (fixed)
 Environmental  Vibration  20-100 Hz,50mm/se
 100Hz – 2kHz, 3.3g
 Operating 
 Temperature
 -40 to +70 Deg. C
 Relative Humidity 
 0-70 Deg. C
95%
 Storage 
 Temperature
 -55 to +80 Deg. C

 
 
 
Edited by Lisa Sun

bigPhoto
 Mr. Lee

Tel: 86-755-27541660
Contact to this supplier

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Company Info

Shenzhen Graigar Technology Co., Ltd [China (Mainland)]


Business Type:Manufacturer
City: Shenzhen
Province/State: Guangdong
Country/Region: China (Mainland)

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