- On-grid solar systems stop providing electricity during power cuts.
- This anti-islanding feature of the inverter is for the safety of personnel.
- Hybrid, home UPS or off-grid systems are solutions.
On-Grid Solar And Power cut: Many people think that solar panels work all the time as long as there is sunlight. If you have installed an on-grid system then this does not happen. On-grid solar systems work only when power supply is coming from the grid. As soon as the supply in the grid stops, the on-grid system also stops supplying power to the grid. Today we will tell you why the power from the solar system stops going to the grid as soon as there is a power cut and what solutions you have in such a situation.
How does on-grid system work?
During the day, when power supply is coming from the grid, your on-grid solar system is converting sunlight into electricity. The DC power generated from the solar panel goes to the inverter, which converts it into AC electricity and sends it to the grid. Now as soon as the grid is switched off, the inverter detects it at the same time and also switches off the AC supply. This does not mean that the panels will stop generating electricity. The panels will continue to generate electricity, but the inverter does not push it into the grid.
Why does solar supply stop as soon as there is a power cut?
Why does electricity from your solar panel stop going to the grid as soon as the grid is closed? The answer lies in anti-islanding protection. This is an essential feature for a solar inverter. Actually, this has been done because in case of power grid closure, some employee would be making repairs or making new connections. In such a situation, if electricity goes from the panel to the line, then there is a risk of the employee getting electrocuted and even death. If an electric wire breaks somewhere during rainy season etc. then even after switching off the power supply, the supply going from your panel can prove to be fatal. Therefore, it is necessary to have such a feature in the solar inverter, then as soon as the grid is closed, the supply from the panel should also be stopped.
What is the solution for this?
If you face power shortage after the on-grid system is shut down, there can be three solutions –
- If you wish, you can install a hybrid solar system with battery backup, which will continue to provide electricity for the needs of your home even during power cuts.
- The next solution is home UPS or inverter. It will get charged when the supply is on and its backup will be useful in case of power cut.
- The third solution is off-grid solar system. There will be no hassle of power cut or inverter. It stores energy in the battery, which can be used during power cuts.
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