Some knowledge about the gua sha color chart
Gua sha is an ancient Chinese healing technique that involves scraping a flat tool over the skin to improve circulation, relieve pain, and promote relaxation.
- Feb 24,2023
Something about rainbow clouds
Rainbow clouds can form in a variety of weather conditions, including cirrus clouds, altocumulus clouds, and cumulonimbus clouds.
- Feb 24,2023
How and where are china's rainbow clouds formed
China Rainbow Clouds, also known as iridescent clouds, are a beautiful meteorological phenomenon that occur in certain parts of China.
- Feb 24,2023
The installed capacity of photovoltaic power generation in Latin America is growing rapidly
By the end of 2021, the installed PV power capacity in Latin America had exceeded 30 GW, an increase of more than 40 times compared with 2015. It is expected that, driven by policies, the photovoltaic market in Latin America will continue to improve in the future, and the installed capacity of photovoltaic power generation in the region will increase by 30.8 million kW annually before 2026.
- Sep 07,2022
The African photovoltaic energy market has broad prospects for development
According to the data released by the African Development Bank, the electricity connection rate in Africa is only about 40 percent, and the electricity supply is poor and expensive. More than 640 million Africans live in areas without electricity, and 87 percent of those without electricity live in rural areas. Sub-saharan Africa, in particular, has the lowest electricity connectivity in the world
- Sep 07,2022
Is it true that the higher the temperature, the more PV power stations generate electricity
When I talk to a lot of PV friends, they will mention that "although the weather is hot, it is good for our PV power station. The sun is big and the power is generated!" This sentence, sounds like a very reasonable way. But is this really the case?
- Sep 06,2022
Lithium battery or lead-acid battery is better, From the user's real feelings
lithium battery or lead-acid battery is mainly depends on the acceptance of everyone, because the two batteries have advantages and disadvantages.
- Sep 02,2022
Europe has become the world's largest residential energy storage market
Europe is already the world's largest residential energy storage market, and its overall growth will outpace current regional leader Germany over the next five years, according to a new Energy Information report.
- Sep 01,2022
Principle of MPPT Solar controller
MPPT control is generally accomplished through DC conversion circuit, photovoltaic cell array and load are connected through DC circuit, the maximum power tracking device continuously detects the current and voltage changes of photovoltaic array, and adjusts the duty cycle of PWM driving signal of DC converter according to the changes.
- Sep 01,2022
The working principle of the inverter
In short, an inverter is an AC power supply that converts low voltages (12 V,24 V,48 V) into 220 V. Because 220 V AC is generally rectified to DC, and inverters are the opposite.
- Sep 01,2022