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On the other hand, even though the inverter has built-in fuse, it’s better
to add one fuse in between it and the battery bank. For a 24V 1500W
inverter, the current it receives from battery should be about 62A, so a
75A fuse is recommended.
Testing and Troubleshooting
Testing
Test all electrical and electronic components of your system before
commissioning it. Follow the instructions in the guides supplied with the
components and equipment.
·Test modules connected in series before they are connected to the
system.
·To determine Voc and Isc in the following tests, the module(s) must be
exposed to the sun and not connected to a load. Observe personal
safety when making these measurements.
·Check the open-circuit voltage (Voc) of every series module using a
digital multimeter. The measured system Voc should correspond to the
sum of the Vocs of the individual module. You will find the rated voltage
in the technical specifications of the specific module. If the measured
value is significantly lower than the expected value, proceed as
described under “Troubleshooting an low voltage”.
Fuse
