INPUT Voltage: 190-264V ac
Frequency: 50-60 Hz nominal
Output Voltage Max 90V dc at 207V ac
Input current: continuous 4A dc,Intermittent 6A for 10 secs
Resistance: 15 ohms minimum
Regulation: +/- 1
SX440 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, the AVR 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 generator.
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