PV Powered 1100, Инструкция по установке и эксплуатации

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14
WARNING
Before proceeding with the DC wiring, completely cover the surface of all PV panels
with dark material to avoid the production of electrical current. !
WARNING
Make sure the polarity and the PV panel voltage between the positive and the nega-
tive cable connectors of the PV panels are correct before connecting the panels to the
DC terminal block on the power distribution board.
!
The PV array open circuit voltage should be at or below the listed voltages in Table 3-4
under all circumstances. Each DC input to the DC terminal block must be less than the
voltages listed in Table 3-4.
Inverter
Model
Maximum Inverter
Start Voltage
Absolute Maximum
Input Voltage
PVP1100 450VDC 500VDC
PVP2000 450VDC 500VDC
PVP2500 450VDC 500VDC
PVP2800 450VDC 500VDC
PVP3000 450VDC 500VDC
PVP3500 450VDC 500VDC
PVP4600 450VDC 500VDC
PVP4800 450VDC 500VDC
PVP5200 450VDC 500VDC
Table 3-4 PV Open Circuit Voltages
Open Circuit Calculations
The PV array open circuit voltage should be at or below
500 VDC
under all
circumstances. Each DC input to the DC terminal block must be less than 500 VDC.
DC Connections
Each DC input connection must carry the same input voltage. The inverter allows up to
three connections for both the positive and negative poles.
To wire the DC inputs from the PV array to the inverter (see Figure 3-11):
Calculate the maximum open circuit voltage (V 1.
oc
) for each series of modules based
on the VOC_TC, in accordance with the expected lower temperature, and accepted
industry practice.
Connecting DC Wires/PV Panels