Specification of AVR CAT VR6 CAT VR-6 CAT VR 6 AUTOMATIC VOLTAGE REGULATOR for CATERPILLAR GENERATOR
AVR CAT VR6 CAT VR-6 CAT VR 6 AUTOMATIC VOLTAGE REGULATOR for CATERPILLAR GENERATOR
Specification Details :
Power = SHUNT EXCITED
Input = 180-280 Vac,50/60 Hz,1 OR 3-phase
PMG EXCITED 63-105Vac 100/240Hz 3-phase
Sensing input = 180-280Vac,50/60Hz 1 or 3-phase
CT input = 1 or 5Aac 50/60Hz
ACC input = +/- 3Vdc.Output:65Vdc@12Adc
Specification
K65-12B
Output power (with a 240
Vac Input):
12 Adc @ 65 Vdc maximum
continuous.
25 Adc @ 125 Vdc forcing for 10
seconds.
AC input power:
100 to 280 Vac, single-phase 50
to 400 Hz, or 63 to 105 Vac; three phase,
50 to 400 Hz, 1092 VA
maximum continuous burden
AC sensing voltage:
90 to 140 Vac, 50/60 Hz; single- or
three-phase.
External voltage adjust
rheostat:
10k ohm, 2 W, potentiometer
Regulation accuracy:
±0.5% Average responding
Voltage drift:
±1% voltage variation for a 40° C
(104° F) change.
Response time:
< 4 milliseconds
Frequency compensation:
1 or 2 V/Hz jumper selectable with
knee adjustable from 45 Hz to 65
Hz.
EMI suppression:
Internal filter
Voltage Build-Up:
Internal provisions for automatic
voltage build-up from generator
residual voltages as low as six Vac.
Over excitation shutdown:
Over excitation protection starts
timing at 90 Vdc ±5% and takes
the output to zero in greater than
30 seconds. The output can be 125
Vdc for greater than 10 seconds.
Droop
1 Aor 5 A, <10 VA, adjustable from
0 to 10% at rated input current, 0.8