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The solar controller is an important part of the solar PV system that automatically prevents the battery pack from overcharging and overturning and has a simple measurement function of the electronic device. As the battery pack is overcharged or over discharged will seriously affect its performance and life, charge and discharge controller in the photovoltaic system is generally essential. It largely determines the reliability of solar photovoltaic systems. The main task of the controller is to realize the solar energy to charge the battery and protect the battery in the PV system.

The MPPT controller for the solar charge discharge controller, is used in solar power generation system, the control of multiple solar array on the automatic control equipment of battery and battery for solar inverter load power supply. It is a traditional solar charging and discharging controller. Today we compare the difference between the MPPT solar controller and the traditional solar controller to find out why it can replace the traditional solar controller.

When design for off grid solar system, we need to be flexible, do not rigidly adhere to a fixed formula. Off grid solar system can not solve all the electricity problems, encountered a number of consecutive rainy days, can only save electricity. Here are some questions about off grid solar system.

1.Storage, packaging and transport services to ensure that the product zero defects in front of customers

Most people will pay attention to the system itself, this process is rarely focus on the system from the factory to the roof, small before have compared the brand manufacturers and a motley crew of packaging and transportation process, also found that this link there are too many fatal problems.

Greenpeace says China's waste of renewable energy is enough to power Beijing for a whole year Greenpeace, despite its commitment to correct the problem of waste renewable energy, is still rising sharply in the country's solar and wind power industries last year, Greenpeace said on Wednesday.

Approved by the Shanghai Municipal Commission of Commerce, the Asian Photovoltaic Industry Association (APVIA), Shanghai New Energy Industry Association (SNEIA) led and invited the American Solar Energy Industries Association (SEIA), Japan's solar power generation Association (JPEA) jointly organized the 19 international institutions and organizations "(2017) SNEC proceedings of the Eleventh International Solar Industry and photovoltaic engineering (Shanghai) exhibition and forum" (hereinafter referred to as "SNEC /SNEC PV POWER EXPO PV") will be held April 2017 19-21, held in Chinese - Shanghai New International Expo center.