The importance of reverse control in solar power supply system

2023-02-28

Reverse control integrated machine as the name suggests is the controller and inverter together with a kind of equipment, Solar inverter,it can control the solar panel to charge the battery and use the battery to power the inverter, the battery to overcharge, overrelease protection, and can convert direct current into alternating current, its advantages are also very obvious, The controller and inverter are combined to save installation space and transportation costs. In addition, there is the function of wall mounting. For the whole solar power supply system, the connection becomes more convenient, which makes the application of solar power supply system add more possibilities, such as RV, solar panel battery storage,family solar power generation and so on.

It has two power supply modes, one is the mains priority mode, Energy storage battery,that is, solar battery charger controller,when the mains is normal, the output is powered by the mains, and at the same time, the reverse charging function is opened to charge the battery, if there is photovoltaic input photovoltaic MPPT to charge the battery. The other is battery priority mode. If the power of photovoltaic is large enough, the load is powered by photovoltaic, and the extra power of photovoltaic will charge the battery. When the photovoltaic power becomes smaller, the battery will make up the insufficient power, and the photovoltaic and the battery supply power to the load at the same time. When the photovoltaic has no power output, the battery will completely power the load. When the battery runs out of energy, if there is mains input at this time, the battery has no energy output and the mains power will be supplied to the load. In addition, when the battery has no energy output power supply (lithium battery protection has no output voltage) or is not connected to the battery, when there is photovoltaic input, photovoltaic MPPT controller will automatically power the load, and can activate the lithium battery. At this time, the load power supply depends on how much power the photovoltaic power can be. If the photovoltaic power is not large enough, the load power can not exceed the photovoltaic power, it is recommended that the open circuit voltage of the photovoltaic panel is not too high, if it is a 48V battery machine, it is recommended that the photovoltaic input voltage its operation control display panel is located in the front panel of the machine, through the display interface can carry out a variety of parameters to view, but also through the panel for necessary Settings, Meet field application requirements. In addition, when installing, it is necessary to pay attention to whether the installation environment temperature is between 0 and 25℃, whether the humidity is high or even condensation phenomenon, whether there is direct sunlight or dust, flammable and explosive gas phenomenon, and also pay attention to check the installation of the inverter.


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