PV Powered PVP4800 Informações Técnicas descarregar pdf (Página 19)

If the inverter displays “Ground Fault”, turn OFF the AC and DC to the inverter and refer to

the fault examples in this manual.

PV Ground

Figure 3-8 AC and PV Grounding

Connecting the Inverter to the Electrical Grid

Two circuit boards are located inside the inverter:

The Control Board (at the top of the inverter).1.

The Power Distribution Board (at the bottom of the inverter) with the following 2.

terminals:

The AC connection terminal.

The DC connection terminal.

The internal Ground Fault Interrupt fuse.

WARNING: Replace the GFI fuse with the same type and rating of

fuse. The inverter uses only Littelfuse KLKD001 1A/600V.

The inverter is connected to the electrical grid using 3 wires - LINE 1, LINE 2 and

GROUND.

NOTE: To avoid an increase in AC voltage to unacceptable values while the

inverter is exporting power, the grid impedance value at the connection

point should be as low as possible. By keeping the grid impedance

value low, the inverter will achieve higher system efﬁciency and avoid

nuisance shutdowns. The total impedance of the grid plus the

interconnecting AC wires should be less than 1.25 Ohm.

WARNING

Replace the GFI fuse with the same type and rating of fuse. The inverter uses only

Littelfuse KLKD001 1A/600V.

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PV Powered PVP4800 Informações Técnicas Página 19