SX440 AVR
Stamford AVR SX440
Automatically Voltage Regulator
OEM Service Available
Strictly testing, Good quality control.
Stamford AVR (Automatically Voltage Regulator) SX440
Sensing Input | Terminal 0-110V = 90~150V |
Terminal 0-220V = 175~260V | |
Terminal 0-380V = 350~520V | |
Power Input | Voltage 100~264 VAC, Single Phase |
Output | Voltage Max. 90 VDC at 207 VAC |
Current Continuous 4 ADC, Intermittent 10A for 10 sec. | |
Thermal Drift | 0.05% per °C change in AVR ambient |
DROOP Input | Max. input 0.33A |
Burden 10 Ω | |
0.07A for 5% droop (PF=0) | |
Under Frequency Protection | U/F Potentiometer 45~60 Hz |
Voltage Regulation | < ± 1% (with 4% engine governing) |
External Volts Adjustment | ±8% @ 1 KΩ |
Voltage Build-up | Residual volts at AVR terminal > 5 VAC |
EMI Suppression | Internal Electromagnetic Interference Filtering |
Exciter Resistor | DC Resistance 20~100 Ω |
Analogue Input | Max. Input ±5 VDC Input Resistance 1 KΩ |
1V for 5% generator volts | |
Unit Power Dissipation | Max. 12 Watt |
Environment | Vibration : 1.5 G @ 5~30 Hz , 5.0 G @ 30~500 Hz |
Relative Humidity : < 95% | |
Operating Temperature : -40~60 °C | |
Storage Temperature : -40~85 °C | |
AVR Controls Functions | VOLT : Voltage Adjustment |
STAB : Stability Adjustment | |
U/F : UFRO Knee Point Set (U/F: Under Frequency Protection) | |
DROOP : Droop Adjustment | |
TRIM : Analogue Input Adjustment | |
DIP : U/V Rate Set |