2019.02 / p
Electric Power Generation
52
Installation and maintenance
D510 C
Digital voltage regulator
4243 en -
OK
Fault
OK
OK
OK
Fault
≥ 7%
≤ 7%
Fault
OK
Fault
Fault
Voltage too low/Red LED on VOLT
Check the speed of rotation
Adjust the
generator speed
of rotation
Check and if necessary
adjust the position of the
U/F activation knee-point
Monitor the load applied to
the alternator
Check the exciter field
Replace the
exciter field
Check whether the remanent
voltage is ≤ 7% of UN
Replace the AVR
Generator and control running
Replace the
rotating diodes
Readjust the load