Off-grid solar energy system
Nick swift Swift (2023-06-02)
En respuesta a Gostei!
Off-grid is also suitable for people living far away from power lines, because by comparison, the cost of installing transmission and distribution cables is prohibitive.
People with many unique electrical installation needs, such as barns, tool sheds, fences, trailers, boats or cabins, also find offline solar energy very suitable for them.
Because the stand-alone system has nothing to do with the grid, no matter what solar energy your photovoltaic cell captures and you can store it in the battery, that's all the power you have. That is, unless you have another renewable energy or fossil fuel-powered generator.
Some people who live off the grid like to combine solar and wind energy by installing residential wind turbines. The logic is that when there are clouds that reduce solar production, the wind may fill the gap.
Individuals considering off grid solar system must calculate their power needs for a specific length of time (usually at least a few days).
If not, you may be without electricity for a long time-and no power grid can save you.
Of course, the advantage of off-grid solar energy is that you will never receive electricity bills!
You can use several online calculators when calculating how much power you need to power all the appliances you want. The amount determines the appropriate size of the battery pack (if you decide to use the battery pack). A battery pack is just a set of batteries connected to each other.
The battery pack can be expensive. By 400, consumers will pay about $750-2020 per kilowatt-hour, although the total cost of the best brands is likely to be much higher.
Another view is that, on average, solar cells cost between $200 and $2, depending on their ability to store energy. A typical battery pack for an off-grid system may include 1000 batteries.
Many companies offer off-grid solar panel kits that contain all the items needed to set up their own off-grid systems.
The necessary component of off-grid + stored solar energy is the charging controller, which is located between the photovoltaic module and the battery pack. The charging controller protects battery life in a variety of ways.
First, the device limits the amount of power and rate the battery receives during the day to prevent overcharging. It also prevents the battery from flowing back to the panel at night.
Finally, the charging controller is equipped with a low-voltage disconnecting device. This means that when the battery is almost completely exhausted, the controller will cut off the power to the appliance. After charging, it will reopen them. This feature prevents damage to the battery due to excessive drainage.
There are two main types of charging controllers on the market: PWM and MPPT. The photovoltaic array that works best for you depends on the voltage of your photovoltaic array, the load (that is, all appliances), and the voltage of the battery pack.
In most cases of off-grid solar energy, the voltage of photovoltaic module is significantly higher than that of battery pack, and MPPT controller is a better choice.
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