Distributed PV installation must know the inverter installation knowledge

With the strong support of national policies for new energy, distributed photovoltaic has become a new trend in the future development of photovoltaics. Distributed power plant installation and construction are diverse, and the inverters that are the core of the photovoltaic power generation system are also installed in different places. The following describes several common installation methods of the inverter.

Wall mounting

In the common household distributed project, the inverter is installed in this form. At this time, the inverter should be installed in a place where sunlight cannot be directly exposed. Specific requirements are as follows:

1) The machine is installed at the same height as the ground, so that the LED display information can be observed and read for convenient daily maintenance.

2) When installing outdoors, the inverter should not be directly exposed to the sun. If it must be installed, please install a sunshade.

3) The front of the installation must be able to bear the weight of the inverter, and the inverter must be installed reliably.

4) The inverter should be installed vertically or tilted 15° backwards. Do not tilt it.


5) The inverter must be installed in an air circulation space and cannot be installed in a confined space or close to a heat source.

6) When multiple inverters are installed at the same time, when the space is sufficient, a one-line installation method is recommended; when the space is insufficient, the recommended font installation method is recommended.



Installed on the roof

Large-scale distributed projects are mainly distributed on the roof of industrial plants. Due to the empty space of the factory, there is no roof and parapet wall. Considering the reduction of cable cost, the inverter is usually installed with self-made brackets. The support needs to consider the load-bearing and roof resistance of the inverter. Typhoon ability. At the same time, the bracket will create a shadow on the roof, so when installing the inverter, try to install the components outside the shadow of the inverter to avoid blocking the components and affect the power generation.


In addition to the above mentioned requirements, you should also pay attention to the following matters:

1. The inverter must be grounded reliably when it is installed.

2. Install the bracket to ensure that it is firmly fixed and does not shake.

3. There should be enough space in front of the inverter to facilitate observation and maintenance.

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