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AVR AS440 Automatic Voltage Regulators , Generator Automatic Voltage Regulator AVR
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avr automatic voltage regulators,
automatic voltage regulator circuit
AVR AS440 Automatic Voltage Regulators , 1 Phase Brushless Generator Parts
Comptible brushless generator parts- Stamford AVR AS440( OEM part and Genuine part)
Pictures show as below
Stamford AVR AS440 is a half wave phase controlled thyristor type AVR and forms part of the excitation system for a brush-less generator. The design employs Surface Mount Technology (SMT) for high integration of features in a small footprint AVR.
Jumper selectable 100-130V ac 1 phase or
190-264V ac 1 phase
|Voltage||100-264V ac 1 phase|
|Voltage||82V dc @200V ac|
transient 7.5A for 10 secs
15 ohms min
(10 ohms min when input volts i s less than 175ac)
|Thermal Drift||0.03% per deg. C change in AVR ambient|
|Typical System Response||
AVR response 20ms
Field current to 90% 80ms
Machine Volts to 97% 300ms
|External Voltage Adjustment||
+/-10% with 1 k ohm 1 watt trimmer
Increasing resistance lowers voltage
|Under frequency Protection||Set point 94-98% Hz|
|Unit power Dissipation||12 watts maximum|
|Build Up Voltage||4 Volts @ AVR terminals|
Maximum input +/-5V dc
Sensitivity 1V for 5% Generator Volts(adjustable)
input resistance 1k ohm
|Quadrature Droop input||
10 ohms burden
Max. sensitivity: 0.07A for 5% droop 0 PF
Max. input: 0.33A
|Over Excitation protection||
Set point 75V dc
Time delay 10-15 seconds(fixed)
|Operating temperature||-40 to +70C|
|Relative Humidity 0-70C||95%|
|Storage temperature||-55 to +80C|
|1. De-rate by 12% if mounted in portrait orientation.|
|2. With 4% engine governing.|
|3. After 2 minutes.|
|4. Generator de-rate may apply. Check with factory.|
|5. Factory set, semi-sealed, jumper selectable.|
|6. Any device connected to the analogue input must be fully floating(galvanically isolated form ground), with an insulation strength of 500V ac|
|7. De-rate output current by 5% per degree C above 60C.|
|8. Non condensing|
|*Biogas Power Generation|
|*Natural Gas Power|
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2.All major Credit cards are accepted through secure payment processor ESCROW.
1. Guarantee:1 year after selled.
2. During guarantee,the items share free repairs or replacement.
3. Customer is responsible for the freight come-and-go,and the custom tax.
4. You may consider to send the defective item with a economical way,and we send back the repaired items with your new order together.
5. To save the cost,pls send the item back without packing.
6. Pls provide the defective appearance and related invoice number.
7. We do not repair or replace item with an expired warranty.
8. All emails will be answered within 1 business day. If you do not receive our reply, please kindly re-sent your email or give us a call any time.