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The role of solar pv battery storage

Categories:solar energy battery News
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Time of issue:2022-05-17 15:21
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(Summary description)In the photovoltaic off-grid system, the energy storage battery occupies the main part, and its main task is to store energy, ensure the stability of the system power, and ensure the load power consumption at night or in rainy days.

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The role of solar pv battery storage

Categories:solar energy battery News
Author:
Origin:
Time of issue:2022-05-17 15:21
Views:

Information

In the photovoltaic off-grid system, the energy storage battery occupies the main part, and its main task is to store energy, ensure the stability of the system power, and ensure the load power consumption at night or in rainy days.

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Energy storage function: The photovoltaic power generation time and the load power consumption time are not necessarily synchronized. The photovoltaic off-grid system can generate electricity only when there is sunlight. The power generation reaches the highest at noon, but the electricity demand is not high at noon, and many household off-grid power stations are in Electricity only at night. Therefore, the electricity generated during the day needs to be stored by the battery first, and then the electricity is released after the peak of electricity consumption.

Stable system power: Photovoltaic power and load power are not necessarily the same. Photovoltaic power generation is affected by radiation and is in a fluctuating state, and the load side is not very stable. The starting power is greater than the daily operating power of the load end. If the photovoltaic power generation end is directly connected to the load, it is easy to cause the system to be unstable and the voltage to fluctuate. The energy storage battery is a power balance device at this time. When the photovoltaic power is greater than the load power, the controller sends the excess energy to the battery pack for storage. When the photovoltaic power cannot meet the load demand, the controller sends the battery power to the battery towards the load.

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Next: The difference between photovoltaic energy storage gel batteries and conventional lead-acid batteries