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Shenzhen Graigar Technology Co., Ltd
SHENZHEN GRAIGAR TECHNOLOGY CO.,LTD. Supplier of NDT Instruments, Environmental Testing Equipment and Digital Metal Detector
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Automatic voltage regulator AS480 avr for alternator generator, Operating Temperature -40 to +70 Deg. C

Shenzhen Graigar Technology Co., Ltd
Shenzhen Graigar Technology Co., Ltd
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-27541660
Contact Person:Mr Lee

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

Brand Name : LIXiSE
Model Number : LXC7220
Certification : CE / Rohs
Place of Origin : China
MOQ : 1 piece
Price : negotiation
Payment Terms : L/C, T/T, Western Union, MoneyGram, Paypal
Supply Ability : 3000 pieces per Month
Delivery Time : Within 3 working day after receiving the payment.
Packaging Details : Packaging with product box first, and then by Courier carton
Voltage : 100-264 V ac 1 phase
Frequency : 50-60 Hz nominal
Resistance : 15 ohms minimum
Operating Temperature : -40 to +70 Deg. C
Machine Volts to 97% : 300ms
Filed current to 90% : 80 ms
AVR response : 20ms
Set poit : 67 Vdc +/-3% (fixed
Time Delay : 10-15 seconds (fixed)
Storage Temperature : -55 to +80 Deg. C
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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 InputVoltage100-264 V ac 1 phase
Frequency50-60 Hz nominal
OutputVoltage82 V d.c. @ 200 Va.c power input; 45 V d.c. @ 110 Va.c power input.
CurrentContinuous 5A , transient 7.5A for 10 secs.
Resistance15 ohms minimum
Regulation+/- 1%
Thermal Drift0.03% per Deg. C change in AVR ambient
Typical system
Response
AVR response20ms
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 protectionSet point: 94 -98% Hz
Unit power dissipation12 watts maximum
Build up voltage4 Volts @ AVR terminals
QUADRATURE DROOP INPUT10 ohms burden
Max. sensitivity: 0.07 A for 5% droop 0PF
Max. input: 0.33 A
Over Excitation
Protection
Set poit67 Vdc +/-3% (fixed
Time Delay10-15 seconds (fixed)
EnvironmentalVibration20-100 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


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