Safety information
Operating instructions RLD 21
ELTROPLAN
-
REVCON
Elektrotechnische Anlagen GmbH
Operation on a generator
The usage of a power feedback unit within an isolated network (e.g. with a diesel genera-
tor) is possible, but there are restrictive regulations concerning the power limits.
M
M
REVCON
R
0,4kV
100kVA
20kW
20kW
G
FC
Figure 2.6.1
Within a network that is assembled like in figure 2.6.1 there are two additional restrictions:
First the power of the motor connected to the inverter must be lower than half of the nomi-
nal power of the generator. Second the total amount of the power of the two other loads
must be more than double of the feedback power.
If these conditions aren't checked up a change from motor to generator operation may re-
sult in load shocks. These shocks are too dynamic for the voltage regulator of the genera-
tor. The regulator reacts with an overshoot and as a result of this with an over voltage with-
in the island network.
Danger!
Over voltages may cause serious damages to the connected frequency inverter and /or to the
power feedback unit and to the other loads.
Содержание RLD B
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