Designation

Grid impedance

PNDC PNAC

Description

AC resistance of grid, impedance

DC and AC rated power:

Power which the inverters can permanently consume (DC) or emit (AC).

PT

Temperature sensor

PV

Photovoltaic

PV generator switch

DC load break switch to cut off the PV generator from

 

the solar inverter

UNDC

Voltage: specifies the normal operating voltage at which

 

the solar inverter is operated

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Sunway NT 2600, NT 6000, NT 4000 user manual Designation