1 - APPLICATION
- The AVR model R600 can be used with brusless self-
excited type generators, "SHUNT", "SHUNT with BOOS-
TER" or "SHUNT with PMG" excitation. In case of
"SHUNT with BOOSTER the booster current is totally
monitored by the AVR.
- The AVR is able to ensure, depending of its constitu-
tion, solo operation, parallel operation between equiva-
lent generators or parallel operation with the mains with
cosØ or KVAR regulation.
2 - DESCRIPTION
- The AVR model R631 is composed of electronic cards
wich are included in a rack 19" .
- Except the necessary "Generator I/O", the optional
"mains I/O" located on the left of the rack and the "driver"
card located on the right, all the other cards can be plug-
ged anywhere in the rack. Future optional cards could be
added without any internal wiring modification.
- The rear flat cable (BUS 64 points) is given more long
as it can be connected to an optional interface terminal
block wich gives all the internal test points or in the
future the possibility to connect another rack if the cards
number will become too important.
3 - INTERCONNECTIONS
- External interconnections are located on the top of the
rack in form of two terminal blocks:
- A power / voltage terminal block (19 terminals, one with
a fuse )
- A command / control terminal block (41 terminals)
- A conventional wiring connect this terminal blocks to
the power block fitted on a heatsink and also to the
"generator I/O" and "mains I/O" to give an interface with
the flat cable BUS 64 points.
- In the same manner a 8 points connector connects
directly the driver card to the power block.
4 - OPTIONAL CARDS
- CosØ / KVAR regulation (2F)
- Voltage equalization with the mains (3F)
- Voltage and P.F digital potantiometers
- Manual operation
- Ifield digital potentiometer with follower
- Istator limitation
- Mains P.F or KVAR regulation from 4-20mA sensor
- Rotating diodes fault monitor
5 - SPECIFICATIONS
- Sensing voltage :
• 100/110Vac 50Hz
• 120/130Vac 60Hz
• 380/420Vac 50Hz
• 430/450Vac 60Hz
- Power supply :
• Depend of generator(Adaptation by transformer).
Maximum 180Vac 50/60Hz
- Field output :
• 12 Amperes nominal, 24Amp maximum during 10s on
6Ωminimum
- Accuracy :
• +/-1% of the means of the three phases on linear load
and without droop
- Voltage setting range :
• +/-10% of the nominal voltage by means of external
optionnal potentiometer .
- Droop setting range :
• - 7% of the nominal voltage at cosØ =0
- Under-frequency protection :
• Adjustable threshold and slope from V/Hz to 2V/Hz
- Field ceiling :
• 110% of If nominal permanently, unlocked in case of
voltage decrease
- Protection :
• Heatsink overheating, exciter short-circuit
- Alarm output :
• Heatsink overheating, too much ceiling unlocked time
- Environnement :
• Maximum ambiant temperature -10°C to +50°C
• Fitting in control panel without excessive vibrations
6 - SCHEMATICS AND DRAWINGS
Following schematics give all the usual informations on
the interconnexions between the terminal block, the I/O
connectors and the power block.
4
General
description
AVR
Model R630
NT1950000/c-02/95 f:1/8
