产品用途：
 
GAVR-20A电压调节器是一种密封电子装置，通过调整发电机励磁电流以稳定无刷发电机之输出电压。
 

 产品参数：
 
电压建立：当剩磁大于4V，25Hz时自动建压
 输入电源：AC190V～264V AC 50/60Hz
 输出电压：90V DC
 电流：20A（）
 频率补偿：60Hz发电机，若低于57Hz，则本装置立即关闭。50Hz发电机，若低于47Hz，则本装置立即关闭。
 调整率：  1%
 功率范围:20-500KW
 
Technical data of AVR-20A 
 GAVR-20A is Universal 20 Amp 1/2 Wave Self Excited Dip-switch Programmable be Valtage alternator generator , which is suitable for
 brushless generator.
 *Sensing Input Voltage 220/400VAC,1phase 2wire
 *Power Input Voltage 180~240VAC, 1phase 2wire
 *Output Voltage Max.90VDC@240VAC input
              Current Continuous 6A
              Intermittent 15A for 10SEE
              Resistance Min.10Ω Max 100Ω
 
 *Voltage Build-up esidualvolts at AVR teminal >5VAC
 *External Volts Adjustment +/-7%with 1KΩ 1watt trimmer
 *Unit Power Dissipation Max.8Watt
 *Under Frequency Protection 60Hz system presets knee point at 57Hz
 *(Factory Settings) 50Hz system presets knee point at 47Hz
 
, the AVR circuitry includes under speed and sensing loss protection to ensure safe,.