1、FOR EXCITATION SYSTEM: The automatic voltage regulator is a part of the brushless generator excitation system, with 120VDC excitation field output. 2、3 PHASE PMG: The excitation power is from 3 phase permanent magnet generator (PMG) to isolate the influence of AVR control circuit and nonlinear load. 3、WORKING PRINCIPLE: Induct the voltage in the main winding of the generator and control the power fed into the exciter stator to raise the main rotor to maintain the output. 4、GOOD PROTECTION: The generator voltage regulator has low speed, overexcitation and LAM protection to ensure safe operation and reliable working. 5、COMPACT SIZE: The generator automatic voltage regulator has compact size, stable performance, less interference and wide application range. 1 x Voltage Regulator1 x User Manual Item Type: Automatic Voltage RegulatorModel: MX341 RedInput Power: 140-220V AC 3 Phase 3A (PMG)Excitation Field Output: Voltage 120VDC (maximum), current 2.7A (continuous), 6A in 10 seconds (discontinuous)Impedance: Minimum 15ΩAdjustment Rate: ±1% (for brushless generator)Protection: Built in low speed, overexcitation, LAM