Photovoltaic pumping and power (illumination) is the integration of the pumping system of Brushless DC pump using solar energy, photovoltaic array and charging the battery, used for lighting and other electrical power supply. Every day in the sun, first water, when the water tower is full of water or other circumstances the pump does not work, the whole photovoltaic column automatically switches to the battery charging. System principle diagram
System working principle diagram
The brushless DC pump, due to inverter, improve the efficiency of PV arrays, the quantity of water demand is the same, the solar panel required 20% less than AC pumping system, that is to say, the customer investment in solar array can be reduced by 20%. DC characteristics of photovoltaic pumping system: solar maximum power point tracking algorithm (MPPT), the conversion efficiency is more than 90%; automatic protection level: water shortage protection, full protection, water tower water motor fault protection;
The working principle of the whole system is as follows: toggle switch（Switch）Initial default PV array（PV Array）In connection with the pumping system, when the sun energy reaches a certain energy, photovoltaic array（PV Array）Through the solar brushless DC motor controller (KDF SBLDC) to start the pump to start pumping, then Switch disconnect the PV array and battery charging controller (charge controller) connection between. In the pump work, if there is water, water filled wells and other circumstances, the controller sends signals to stop the pump pump. At the same time, the SBLDC sends out the control signal to switch the Switch to the connection between the PV array and the charge controller, and begins to charge the battery. When the PV array for all energy to charge the battery, when the battery is full of electricity, or meet the water pump conditions (such as water tower, water pump dissatisfaction) SBLDC restart work, and automatically shut off connected PV array and charging circuit.