Generator parts KR440 automatic voltage regulator

Build Up Voltage         3.5V ac @ AVR terminals

Power Input                            

Voltage                      170-250Vac max

Frequency                  50-60Hz nominal            

Phase                        1 or 2

Wire                           2

Sensing Input                            

Voltage                       Jumper Selectable

                                 170-260Vac or 340-520 Vac

Frequency                  50-60Hz  nominal        

Phase                        2

Wire                           2

Output                        

Voltage                      Max.90V DC @ 207V AC input  

Current                      continuous 4A dc

                                 Transient 6A for 10 secs

Field Resistance         Min. 15Ω

Regulation               (see Note 1) ±1%

Thermal Drift            (after 10 min)

                                 1% for 40°c change in AVR ambient

 Typical system response

                                 Field current to 90%   80ms

                                 Machine volts to 97% 300ms

 External voltage adjustment

                                 ≥±10% with 1k ohm 1watt trimmer

 Under Frequency Protection(UFRO)

Set                            95%Hz (By factory)

U/f  Slop                    170% down to 30Hz

Unit power dissipation 12 watts maximum

ACCESSORY INPUT   V=±13% change in output volts

QUADRATURE DROOP

Maximum sensitivity    (10 ohms Burden)

                                  0.07A for 5% droop @ 0 p.f

ENVIRONMENT

Vibration                  20-100Hz    500mm/sec

100Hz-2k Hz   3.3g

Relative Humidity         0-60°c   95%

Operating Temperature    -40°c to +70°c

Storage Temperature      -55°c to +80°c