MX321

Product Description

STAMFORD MX**1 is a three phase sensed Automatic Voltage Regulator and forms part of the excitation system for a brush-less generator. Technical specification SENSING INPUT Voltage ******4V ac max, 2 or 3 phase Frequency ****0 Hz nominal POWER INPUT (PMG) Voltage ******0V ac max, 3 phase, 3 wire Current 3A/phase Frequency ******0 Hz nominal OUTPUT Voltage max **0V dc Current continuous 3.7 A (see note 1) Intermittent 6A for *0 secs. Resistance *5 ohms minimum REGULATION +/- 0.5% RMS with 4% engine governing (see note 2) THERMAL DRIFT 0.*2% per deg. C change in AVR ambient (note 3) SOFT START RAMP TIME 0.4 - 4 seconds TYPICAL SYSTEM RESPONSE AVR response *0 ms Filed current to *0% *0 ms Machine Volts to *7% **0 ms EXTERNAL VOLTAGE ADJUSTMENT +/**0% with 5 k ohm 1 watt trimmer (see note 4)