AVR/440/AVR KRS440/automatic voltage regulator/alternator

Detailed Product Description

AVR-KRS440, automatic voltage regulator(AVR)

 

Features

Be applicable for self excited alternator, brushless generator with the frequency of 50Hz or 60Hz;

Adopt Surface Mounting Technology (SMT);

With Parallel Operation Function;

Under Frequency Roll Off Protection;

With Under Frequency LED Indication;

Over Excitation Protection.

 

Technical parameters

Build Up Voltage                4V ac @ AVR terminals

 

Power Input

Voltage                             100-264V ac 

Frequency                         50-60Hz     (Jumper Selectable) 

 

Sensing Input

Voltage                             100-130V ac or 170-264V ac (Jumper Selectable)

Frequency                         50-60Hz (Jumper Selectable)

Output

Voltage                             Max. 82V dc @ 200V ac input
Current

                                        4A consecutive output current
                                        Transient 7.5A  for 10 secs.

Excitation Resistance        Min.15 ohms (Min.10 ohms @ 175V Power Input)

Frequency Protection         92%-94% rated frequency (By factory)  

(UFRO)                            

Over Excitation Protection   75V dc (Default value)

                                         time delay:  10-15 secs   

Adjustment                        ±1%(with 4% engine governing)

 

others provided as follows

AVR-SX460

AVR-SX440  

AVR-MX321

AVR-MX341