How does the selection of solar power kits for home use inverter ?
At present, different manufacturers have different technical routes for solar power kits for home use inverters. In general, single-phase solar power kits for home use inverters under 6kW and three-phase solar power kits for home use inverters under 10kW are mostly used in household use, two-way MPPT are used, each MPPT is equipped with one way of string; in small industrial and commercial projects, 20kw to 40kW solar power kits for home use inverters are generally used, the number of MPPT is two to four ways, each MPPT is equipped with two to four ways of string; in large power stations, 60kW to 80kW high-power string the solar system kit inverters are generally selected, the number of MPPT is one to six ways, each way of MPPT is equipped with 2 to 12 way string.
Choosing different MPPT routes has a certain impact on the power generation of the the solar system kit. From the point of view of solving the problem of mismatch, the fewer the strings behind an MPPT, the better; from the point of stability and efficiency, the more the strings behind an MPPT, the better, because the more the number of MPPT, the higher the system cost, the worse the stability and the more the loss. In practical application, it is necessary to select the appropriate scheme in combination with the actual terrain.
Advantages of MPPTthe solar system kit inverter in less string formation:
1) less function loss: there are many MPPT algorithms, such as interference observation method, incremental conductance method, incremental conductance method, etc. No matter which algorithm, it is to judge the change of sunlight intensity by continuously changing the DC voltage, so there will be errors. For example, when the voltage is actually at the best working point, the solar system kit inverter will try to change the voltage to determine whether it is right or not The best working point, one more MPPT, one more loss.
2) less measurement loss: when the MPPT works, the full solar panel kit home inverter needs to measure the current and voltage. Generally speaking, the greater the current, the greater the anti-interference ability and the less the error.
3) less circuit loss: MPPT power circuit has an inductor and a switch tube, which will cause loss during operation. In general, the greater the current, the smaller the inductance and the less the loss.
-
Village in the mountains with solar system“We have to go back and forth several hundred meters to fetch water from the mountain every day,” a villager told us. "Our village has been living in the mountains for generations. Travel is not that convenient, and water and electricity
Do you like ?0
Read more -
100KW Commercial Solar Power Will Be Soon In Nigeria HotelDavid, a Nigerian resident living in Guangzhou, China, has become a true "China expert" after spending 20 years in the country. His family in Nigeria operates 15 hotels, and David is responsible for procu
Do you like ?0
Read more -
Let factories use electricity for freeThe Philippines has abundant sunshine, and the solar system can start generating electricity at 6.30 in the morning and stop generating electricity at around 17.30 in the afternoon. The peak power generation is between 10.00 and 15.00. A cus
Do you like ?0
Read more -
5KW Off-grid Solar Setup In Congo HospitalWith Mars solar off-grid solar setup, a hospital from democratic republic of the Congo now harnessing the power of the sun to run medical appliances. Here are some highlights of Mars off-grid solar system's fun
Do you like ?0
Read more -
Mars Half-Cell Solar Panel Vs Another Half-Cell Solar PanelTOPCon half-cell solar panels have the following features: 1. High efficiency: TOPCon’s silicon wafer efficiency can reach up to 25.2%, which is 2% higher than other solar panels. It is expected that by the second half of 2023, TOPCon can reach 26
Do you like ?0
Read more -
Introduction to Solar SystemsSolar systems have revolutionized the way we harness energy from the sun. In simple terms, a solar system refers to the use of photovoltaic panels to convert sunlight into electricity. This sustainable and renewable energy source has gained
Do you like ?0
Read more