Huawei SUN2000-25KTL-M5 handleiding

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5.4 Installing DC Input Power Cables
Precautions
D ANGER
Before connecting the DC input power cable, ensure that the DC voltage is
within the safe range (lower than 60 V DC) and that the inverter DC SWITCH is
OFF. Failing to do so may result in electric shocks.
When the inverter is operating, it is not allowed to work on the DC input power
cables, such as connecting or disconnecting a PV string or a PV module in a PV
string. Otherwise, electric shocks may occur.
If no PV string connects to a DC input terminal of the inverter, do not remove
the watertight cap from the DC input terminals. Otherwise, the protection level
of the inverter will be
aected.
WARNING
Ensure that the following conditions are met. Otherwise, the inverter may be
damaged, or even a
re may occur.
PV modules connected in series in each PV string are of the same specications.
The maximum open-circuit voltage of each PV string must be less than or
equal to 1100 V DC.
The maximum short-circuit current of each PV string must be less than or equal
to 20 A.
PV strings must be connected in the correct polarity. The positive and negative
terminals of a PV string connect to the corresponding positive and negative DC
input terminals of the inverter, respectively.
If the DC input power cables are reversely connected, do not operate DC
SWITCH or the positive and negative connectors immediately. Wait until the
night when solar irradiance declines and the PV string current drops to below
0.5 A. Then set DC SWITCH to OFF, remove the positive and negative
connectors, and connect the DC input power cables correctly.
SUN2000-(12KTL-25KTL)-M5 Series
User Manual 5 Electrical Connections
Issue 01 (2022-06-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 31

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Productinformatie

MerkHuawei
ModelSUN2000-25KTL-M5
CategorieNiet gecategoriseerd
TaalNederlands
Grootte9842 MB