8
INVERTER PARALLELISM
8.4 FIVE LEVEL PARALLELISM LINE
For the higher power inverters of the 6.9 kV line, it is necessary the use of parallel H bridges per phase and, in the same way as for the 4160
V, the parallelism occurs by the use of reactors. Figure 8.6 on page 8-5 shows the detailed description of the H bridge topology, as well as
the related parameters.
Multipulse
rectifier
Multipulse
rectifier
Multipulse
rectifier
Figure 8.6: Topology of the 6.9 kV line 5 levels parallel
The parallelism reactors are magnetically coupled, as shown in the next figure.
MVW01 | 8-5
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