Home > Products > Welding Generators > Stamford Generator AVR SX460 SX 460 SML Automatic voltage regulator
Stamford Generator AVR SX460 SX 460 SML Automatic voltage regulator
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Product Details
| Brand Name | stamford | Model Number | 440,460,r230,as440,as480 |
Product Description
Stamford AVR SML SX460 SX 460
SX460 is a half-wave phase-controlled thyristor type Automatic Regulator(avr) and forms parts of the excitation system for a brushless alternator.
In addition to regulating the alternator voltage, the voltage regulator circuitry includes under speed and sensing loss protection features. Excitation power is derived directly from the generator terminals. Positive voltage build up from residual levels is ensured by the use of efficient semiconductors in the power circuitry of the AVR. The automatic regulator AVR is linked with the main stator windings and the exciter field windings to provide closed loop control of the output voltage with load regulation of +/-1.0%.
In addition to being powered from the main stator, sx460 also derives a sample voltage from the output windings for voltage control purposes. In response to this sample voltage, the AVR controls the power fed to the exciter field, and hence the main field, to maintain the machine output voltage within the specified limits, compensating for load, speed, temperature and power factor of the alternator.
Specification:
Model NO. | AVR SX460 |
Sensing Input | Voltage 120(95~132) / 240(190~264) VAC 1 phase 2 wire jumper selectableFrequency 50/60 Hz jumper selectable |
Output | Voltage Max. 90 VDC @ 207 VAC inputCurrent Continuous 4A, Intermittent 10A for 10 sec.Resistance Min. 15 Ohm |
Voltage Regulation | < ±1% (with 4% engine governing) |
Voltage Build-up | Residual volts at AVR terminal > 5 VAC |
Soft Start Ramp Time | 2 sec. |
External Volts Adjustment | ±7% with 1 K Ohm 1 watt trimmer |
Unit Power Dissipation | Max. 10 watt |
Thermal Drift | 0.05% per °C change in AVR ambient |
Under Frequency Protection(Factory Setting) | Set point 95% HzSlope 170% down to 30 Hz |
Environment | Operating Temperature : -40~70 °CStorage Temperature : -40~85 °CRelative Humidity : Maximum 95%Vibration : 3.3G @ 100~2 KHz |
| VOLT : Voltage AdjustmentSTAB : Stability AdjustmentUFRO : UFRO Knee Point Set |
Dimensions | 135.0 (L) x 100.0 (W) x 45.0 (H) mm |
Regulator Weight | 243 g ±2% |
We also provide other models of AVR as follows but not limited:
Stamford | Leroy Somer | Marathon Basler |
|
SX460 | R230 | SE350 |
|
SX440 | R250 |
| |
AS440 | R438 |
| |
AS480 | R448 | AVC63-7 |
|
MX321 | R449 |
| |
MX341 | R450 | AVC63-12 | |
Sample order ESCROW:
/store/group/AVR-for-Generator/1230650_255409688.html
Contact Us
- Fujian Saint Meilan Motor Wiring Co., Ltd.
- Contact nameJack Lee Chat Now
- Phone0086-591-28315566
- Address13#, Chengyang Town, Ningde, Fujian
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