SX440 brushless 3 phase Generator automatic voltage regulator
SX440 is a half-wave phase-controlled thyristor type Automatic Voltage Regulator and forms part of the excitation system for a brushless generator. In addition to regulating the generator voltage, the AVR circuitry includes under speed and sensing loss protection to ensure safe, reliable control of the generator
The Propose employs surface mount technology (SMT) for high integration of features in a minute footprint AVR. 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%
*Under frequency roll off adjustment
* Trim adjustment
* Optimum response selection
* Droop adjustment
50-60 Hz nominal
max 90V dc at 207V ac input
continuous 4A dc, intermittent 6A for 10 secs
15 ohms minimum
0.04% per deg. C change in AVR ambient
Typical system response
Filed current to 90%
Machine Volts to 97%
External voltage adjustment
+/-10% with 1 k ohm 1 watt trimmer
Under frequency protection
170% down to 30 Hz
Unit power dissipation
12 watts maximum
Build up voltage
4 Volts @ AVR terminals
1v for 5%
Quadrature Droop Input
10 ohms burden
Max. sensitivity: 0.07 A for 5% droop 0PF
Max. input: 0.33A
100Hz – 2kHz, 3.3g
-40 to +70 Deg. C
Relative Humidity 0-70 Deg. C
-55 to +80 Deg. C
the fastest transit time
a lauge number of stocks
easy for operation
answer all of your questions within 1day
Packaging & Shipping
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1. We Ship to Worldwide, except APO/FPO
2. Orders processed timely after showing remittance copy.
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4.Items are shipped from China by Airmail, reach most of the countries within 4 to 20 business days.
5.Delivery time depends on destination and other factors, it may takes up to 20 business days.
6. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
7. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
1. Guarantee:365 days 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.
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