The Working Principle Of Solar-powered AC conditioners
 

(1) Solar Energy Physical Collection and Conversion

       Solar panels are usually put on rooftops or areas with abundant sunshine. Solar panels consist of many photovoltaic cells. When sunlight shines on the panels, the semiconductor component of the photovoltaic absorbs the energy of the photons and excites the semiconductor's electrons to jump-thereby creating direct current.
(2) Electric energy management and distribution
      The controller is a key regulatory component of the system. It continuously monitors the voltage and current parameters output by the solar panel, in real time, to ensuring stable operation of the solar power generation system. At the same time, the controller intelligently distributes (i.e energy management) the electric energy according to the air conditioner's operating specification and the power condition of the battery. When the solar power generation is adequate and the air conditioner's operating power is low, any excess electric energy will be sent to the battery for energy storage; when the solar power generation is inadequate, or the air conditioner is running at a high-load operation, the controller will automatically switch the power source to grid power (if grid connection supports it), and thus it can maintain continuous and stable operation of the air conditioner.
(3) Refrigeration and heating cycle
       The compressor is one of the four main components needed for the air conditioning system to do its cooling and heating regulation.When cooling, the system runs the compressor through the application of electric power, which compresses the refrigerant vapor at a low temperature and low pressure into a high temperature and high-pressure refrigerant vapor. The compressor sends its output of high temperature and high-pressure refrigerant vapor into the condenser where heat is removed from the vapor to the ambient, before the refrigerant vapor is converted into a high-pressure liquid. The liquid is now ready to flow through a throttling device that reduces the pressure of the high-pressure liquid, and it then enters the evaporator. In the evaporator part of the air conditioning system, a process occurs where the refrigerant liquid is rapidly vaporized and absorbs heat from the air which causes the temperature of the air that passes through the evaporator to come down some; and then the cooled air is pushed into the room being cooled through the fan of the indoor unit, and cooling is achieved. In heating mode, in order to achieve the reverse process, the air conditioning system has a four way and other controls that function to send the heat from the outside part of the unit to the inside part, and exchange the evaporator to condenser functions, so the outside air temperature will be made to heat the room being heated.

(1) Cooling and heating capacity
       Just to clarify, a cooling capacity of 9000 BTU means that the air conditioning can absorb 9000 British thermal units of heat from the indoor environment and transform it into cooling output per time unit. It is generally better for spaces that are 10 - 20 square meters in size. On hot summer days, it provides cooling promptly and effectively reduces the indoor ambient temperature to a cool and comfortable state. Its heating capacity generally approaches 2700 - 3000W commonly known to be well suited for warming and heating the indoor space during colder winters, providing enough warmth to meet the cooling and heating requirements of most residential and small commercial indoor spaces.
(2) Energy efficiency grade
       Many 9000BTU solar-powered air conditioners have achieved a high energy efficiency grade, such as grade one energy efficiency. This means that it performs excellently in energy utilization efficiency, compared to traditional air conditioners, it can achieve the same or even better cooling and heating effects with less electricity consumption. High energy efficiency not only helps users save electricity costs, but also significantly reduces electricity costs over the long term, and it also conforms to the current concept of environmental protection and energy conservation, reducing negative impacts on the environment.
(3) Operating noise
       The indoor unit has normally noise levels of 36-49 dB and outdoor units of around 55 dB. The levels of noise should mean that during operation the air conditioner will not excessively interfere with the general normal lives, study and work of the occupants inside. Whether that's in the quietness of a bedroom at home in the night-time, or in a workplace environment that requires concentration and needs quiet, this air conditioner will provide a quiet operation and a comfortable quiet environment for the user.
(4) Power parameters
The power parameters of different types of 9000BTU solar-powered air conditioners are different. Some pure DC solar-powered air conditioners use 48V DC power supply for driving, such as some products with a 48V DC compressor configuration. This DC driving method has the advantages of high efficiency and long lifespan. Some hybrid AC/DC solar air conditioners can not only be connected to the direct current generated by solar energy, but also can be connected to 180 - 240V (50/60Hz) mains electricity. When solar energy is available, it will preferentially consume solar energy. When solar energy is inadequate or at night and other occasions, it will automatically switch to mains power to allow the air conditioner to operate all of the time.

The Working Principle Of Solar-powered AC

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