Solar off-grid power supply systems are generally located outdoors. Solar energy installation is a technically demanding task. In addition to choosing a good solar photovoltaic power generation brand, a professional team must be found for installation. Otherwise, it will affect the power generation of the photovoltaic power station, and there will be hidden safety hazards in serious cases!
When installing the solar off-grid power supply system, the following factors should be considered:
1. The battery array needs to consider the installation azimuth and tilt angle.
2. Avoid blocking between the battery boards. Including surrounding buildings (electric poles, eaves, etc.).
3. Stability and firmness of bracket placement (consider local meteorological data, such as sunshine time, disaster weather, storm, etc.).
4. Route distance and junction box location. Try to keep the distance as short and average as possible.
5. Relevant accessories must meet the system requirements (such as binding posts, wire diameter, etc.).
6. The wiring terminal should be firm to prevent virtual connection or open circuit.
7. The battery terminals should be firm (do not short-circuit) and pay attention to the polarity during installation to avoid explosion and fire.
8. The controller generally has corresponding power distribution protection measures. However, pay attention to prevent reverse polarity and short circuit during wiring. avoid unnecessary trouble. Pay attention to the angle of placement and avoid rainwater (except the waterproof controller or chassis).
9. For systems with inverters, the inverter must be connected to the positive and negative poles of the battery. Do not connect to the controller output. Generally, the output end of the off-grid controller is DC output by default, and the built-in protection is also for DC loads. Since the AC load of the inverter will be unstable, it is recommended to connect it to the battery, and the necessary power distribution protection must be loaded to ensure the safety of the system.
10. The location of the construction system must be wide, and no tall buildings or other objects can block the sunlight at the place where the solar cell array is installed.
11. The controller needs to choose a controller with low loss, good working stability and long service life. When installing, find out whether the controller belongs to the common negative electrode design or the common positive electrode design, which is helpful for the connection and installation of the entire system.
12. The controller debugging needs to pay attention to details, so as not to affect the cycle of the entire system engineering.
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