General relationship of solar power system (L3)

tháng 11 30, 2021

Grid-tied solar power is an operating system with a combination of solar power (solar energy) and national grid electricity. This is a system that uses PV batteries to absorb sunlight so that it can be converted into electricity, which will then be connected directly to the grid system that you have available, so it is called a grid-tied solar power system. , netting or meshing.

The concept and principle of grid-tied solar power

Basically, their concept is easy to understand, during the day when there is sunlight, the solar panels will convert the energy into direct current, then the inverter will convert to alternating current. in the same direction.

When electrical appliances in your home consume solar power (solar energy), there will be the following cases:

When the electricity produced by solar energy is less than the amount of electricity you are using: the national grid automatically compensates for the amount of electricity you need to use.

When the solar power source produced is equal to the amount of electricity you are using: at this time, the solar power system will prioritize using solar power i and not consume electricity from the national grid.

When the solar power system generates more electricity than the load is using, the excess electricity will be pushed to the national grid and then the two-way meter device will record it and you will be EVN buys it back at the price of 1,943 VND per KWh (applicable to roof voltage).

Who should install a grid-tied solar power system?

The grid-tied power system will help you save more money with solar panels through the better performance ratio, it will have a power compensation mode, reduce installation costs, costs. Equipment costs are also lower. Usually solar panels will generate more electricity than your home uses.

Therefore, the grid-tied solar power system is very suitable for people who need to use a lot of electricity during the day, such as households, offices, factories, or even businesses, ... Especially for households with monthly electricity bills of 1 million/month or more, they can save 30% - 50% of the total monthly electricity bill.

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