REFU Elektronik GmbH
REFUsol 48K-UL
15
3
Description of Device
Pos : 22 /I nverter M anuals/ Ger ät ebesc hrei bung/F unktions prinzi p/ WR U L @ 3\ mod_1486632569265_641. doc x @ 27734 @ 2 @ 1
3.1
Operating Mode
The REFUsol 48K-UL transforms the direct current generated by photovoltaic (PV) modules into alternating
current and feeds this into the public grid.
Fig. 1: How it works: a grid-connected PV system with photovoltaic inverter
1
PV modules
2
Solar string combiner box (depending on authority having jurisdiction AHJ or
utility company)
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REFUsol photovoltaic inverter
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Fuse switch disconnector or circuit breaker
5
Grid protection (if required by authority having jurisdiction AHJ or utility company)
6
Isolation transformer is required for medium-voltage network
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Low or medium-voltage AC grid