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INSTALLATION GUIDE
MODULAR SUNWAY TG
TE OD
Rev. 03
– 01/06/2018
89/
139
Figure 60: Zone monitoring
8.7.
DC EMI filter
An EMI filter may be installed on each DC module. The filter reduces the radiofrequency conducted
disturbance in the PV field. It is advisable that DC filters be installed when remote monitoring systems (Smart
String Boxes), alarm circuits, video camera and/or other devices sensitive to radiofrequency disturbance
are installed in the PV field.
Figure 61: DC EMI Filter
8.8.
AC-side SPDs
The AC-side SPDs (Class II) are connected to each AC output section of the inverter.
This option is recommended for long cable paths between the inverter and LV/MV transformer.
POSITIVE DC INPUTS
NEGATIVE DC INPUTS
EMI
CONVERTER
CURRENT
SENSOR
ZONE
MONITORING
DATA
LOGGER
RS485
ETHERNET
S000825
POSITIVE DC INPUTS
NEGATIVE DC INPUTS
FILTER
CONVERTER
S0
008
26
EMI