10
2016.06 / h
Electric Power Generation
Installation and maintenance
R450
A.V.R.
4531 en -
One red LED:
- Lights up simultaneously with the green led
when the continuous operation threshold is
reached for more than 90 s and the excitation
current is reduced to the continuous
operation threshold. It is used to set the
excitation current ceiling
- Turns off when the excitation current is less
than the setting value (< 110% In)
- Flashes when the excitation current is
above the continuous operation threshold
during less than 90 s.
Green LED
stays on,
- flashes when the excitation current has
reached the ceiling in < 10s with PMG
excitation.
- ftays on if Iexc = I Shutdown.
WARNING
If the overload protection is activated, a
voltage drop possibly exceeding 10% of
the reference voltage will be observed.
The AVR does not provide undervoltage
protection. The customer will need to
make sure that their installation is
correctly protected against under-
voltages.
During load shedding, an overvoltage is
observed, which will disappear in a few
seconds.
P3
Diagram 2
9.5
I exc(A)
t(s)
(Maximum current I exc)
Activation of
90 s. tempo
Red led
Green led
90 s. tempo elapsed : application
of permanent limitation
2.9x I
threshold
(max. 9.5 A)
I
threshold
(1...5.5A)
Shutdown
0.5 ~ 0.7
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