5. Installation instructions
User manual RHF-Active 32
5.3.6 RHF-Active in parallel wiring
RHF-Active may be connected in parallel without limitation to achieve higher power ratings. It is
necessary to adjust the related parameters in the software and do adopt the wiring of the
current transformers.
Phase A (L1) is used for reference for the other phases.
Example Case 1:
Parallel wiring of two RHF-Active:
Hint: Like the polarity of S1 and S2, the polarity of P1 and P2 is very important for the correct
function. P1 must face to mains supply and P2 (on opposite side of current transformer) must
face to the load.
Example Case 2:
Parallel wiring of more than two RHF-Active:
Hint: Like the polarity of S1 and S2, the polarity of P1 and P2 is very important for the correct
function. P1 must face to mains supply and P2 (on opposite side of current transformer) must
face to the load
.
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