AUTOMATIC VOLTAGE REGULATOR AVR KR440 AVR KR-440 AVR KR 440 K R 440
Generator Automatic Voltage Regulator AVR-KR440
Applicable to 50Hz, 60Hz AC brushless self-excited generator ,It is part of the excitation system ;
Having a parallel operation function;
Low frequency protection (UFRO) function;
An LED indicates frequency is too low state functions.
The main technical parameters
Power input :
Voltage170-250V(AC , max)
Frequency50Hz / 60Hz(Universal )
Sense Input :
Voltage170-260VOr340-520V( Jumper selectable )
Frequency50Hz / 60Hz (Jumper selectable )
Export :
When the voltage input voltage 207V, output up to DC90V
Electric current Continuous output 4A Allow 6A Inrush current 10 Seconds
Excitation Resistance The minimum value is 15
Frequency Protection Set protection point 95% of the rated frequency
U / f Slope 30Hz when 170%
From excitation voltage AVR Input is3.5VCommunicate with
Steady-state voltage regulation rate of 1% ( in the range of 4% of the engine speed changes )
External voltage regulator external resistor value 1K / 1W
Voltage setting range 10%
Generator