Have You Noticed That There Are Particularities To Installing An Inverter?

With the help of national policies, solar power generation has successfully entered the homes of ordinary people. People all know that a complete photovoltaic system is composed of solar photovoltaic modules, inverters, brackets, distribution boxes, etc. In particular, the inverter plays the role of control and brain.

 

As a new industry, photovoltaics has attracted a large number of gold mining companies to settle in, and there are also many entrepreneurial emerging companies. Due to limitations of experience, many people and even installation workers are not very familiar with the installation location and installation techniques of inverters. So, today we will mainly talk about how to choose the installation location after getting the inverter, and what are the installation techniques?

 

How to install a photovoltaic inverter? Things to note are as follows:

1. Before installation, you should first check whether the inverter has been damaged during transportation.

2. When selecting a photovoltaic inverter installation site, you should ensure that there is no interference from other power electronic equipment in the surrounding area.

3. Before making electrical connections, be sure to cover the photovoltaic panels with opaque materials or disconnect the DC side circuit breaker. When exposed to sunlight, photovoltaic arrays will generate dangerous voltages.

4. All installation operations must be completed by professional technicians only.

5. The cables used in the photovoltaic system power generation system must be firmly connected, well insulated and of appropriate specifications.

6. All electrical installations must meet local and national electrical standards.

7. The inverter can only be connected to the grid after obtaining permission from the local power department and after professional technicians have completed all electrical connections.

8. Before performing any maintenance work, you should first disconnect the electrical connection between the inverter and the grid, and then disconnect the DC side electrical connection.

9. Wait at least 5 minutes until the internal components are discharged before performing maintenance work.

10. Any fault that affects the safety performance of the inverter must be eliminated immediately before the inverter can be turned on again.

11. Avoid unnecessary circuit board contact.

12. Comply with electrostatic protection regulations and wear an anti-static bracelet.

13. Pay attention to and obey the warning labels on the product.

14. Conduct a preliminary visual inspection of the equipment for damage or other dangerous conditions before operation.

15. Pay attention to the hot surface of the inverter. For example, the radiator of power semiconductors will still maintain a high temperature for a period of time after the inverter is powered off.

 

How to choose the installation location of photovoltaic inverter?

1. Do not install the inverter in a place exposed to direct sunlight. Otherwise, it may cause additional internal temperature of the inverter, and the inverter will derate to protect the internal components. Even excessive temperature can cause inverter temperature failure.

2. The installation site chosen should be strong enough to support the weight of the inverter for a long time.

3. The ambient temperature of the selected installation site is -25°C~50°C, and the installation environment is clean.

4. The ambient humidity of the selected installation site does not exceed 95% and there is no condensation.

5. There should be enough clearance in front of the inverter to facilitate data observation and maintenance.

6. Make sure the installation place will not shake.

 

Whether the photovoltaic inverter is working properly or not directly determines the power generation of the entire photovoltaic system. Its installation cannot be ignored and requires professional operation to ensure a suitable and stable operating environment for the photovoltaic inverter.

 

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