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Why do solar charger controller need to be loaded?

Article Source：Kinri Energy | Author：Kinri Energy | Issuing Time：2024.04.16
solar charger controller function



Solar energy controllers, also known as solar charging controllers, are devices used to control where the electrical energy emitted by photovoltaic panels flows. It plays a very important role in solar photovoltaic power generation systems, with four main functions: limited current, overcharge protection, over discharge protection, and charging control.

The function of current limiting protection is to ensure that the photovoltaic panels cannot be burned out due to overload operation; The function of overcharge protection is to protect the battery from damage when the voltage exceeds its standard voltage during charging; The function of over discharge protection is to prevent damage to the battery due to insufficient sunlight or high electricity consumption, resulting in low voltage; The function of charging control is to ensure the reasonable control of charging current, charging voltage, and charging time, so as to fully charge the battery and extend its lifespan.

Why do solar charger controllers need to be loaded

Load usually refers to DC load and DC AC load, where DC load mainly includes LED lights, DC fans, DC motors, etc., while DC AC load includes mains appliances, etc.

Why do solar charger controllers need to be loaded? There are two main reasons for this:

1. Stable voltage

When the electrical energy generated by solar panels is not consumed by the load, the voltage of the entire system will become abnormally high, which can easily cause overvoltage protection in the circuit, leading to the inability of the entire circuit system to function properly. Therefore, to ensure the normal operation of the solar charger controller, it is necessary to connect the load to the controller and achieve stable voltage by controlling the consumption of the load.

2. Make full use of batteries

Solar panels continuously generate electricity when there is sufficient sunlight, and if there is no load consumption, this electricity will be wasted. In order to fully utilize the electrical energy of the battery, it is necessary to connect the load to the controller, ensuring the working status of the photovoltaic panel and battery, so that the load can fully utilize the electrical energy generated by the photovoltaic panel.

Conclusion

In summary, solar charger controllers are an essential component of solar power generation systems, and the main reasons why they need to be connected to loads are stable voltage and full utilization of batteries. By connecting the load to the controller, the normal operation of the entire system can be ensured and the electricity generated by the photovoltaic panels can be fully utilized.
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