1. Accurately test the solar radiation intensity, ambient temperature, open voltage, short current, etc..
2. Calculate the open voltage, short current, maximum power, maximum voltage, maximum current and efficiency under standard test conditions (STC)
◆ advanced dual or multi peak tracking technology, when the battery board is shaded or part of the battery board is damaged, multiple peaks will appear in the I-V curve, and the controller can still accurately track the solar power point.
◆ the built-in power tracking algorithm can significantly improve the energy utilization efficiency of photovoltaic system, which is about 15% ~ 20% higher than the traditional PWM charging efficiency.
◆ multiple tracking algorithms can accurately track the working point of I-V curve in a very short time
◆ MPPT tracking efficiency is up to 99.9%.
◆ with advanced digital power technology, the circuit energy conversion efficiency is up to 98%.
◆ support different types of battery charging procedures, such as gel battery, sealed battery, open battery, lithium battery, etc
◆ it has current limiting charging mode. When the power of the battery board is too large and the charging current is greater than the rated current, the controller will automatically reduce the charging power and make it work at the rated charging current.
◆ it can support instantaneous high current start of capacitive load.
◆ support automatic identification of battery voltage.
◆ with fault LED indication and LCD display abnormal information, it is convenient for users to determine system fault.
◆ support historical data storage for up to 1 year.
◆ equipped with LCD display function, it can view the operation data and status of the equipment, and support the change of controller parameters.
Support standard Modbus protocol to meet communication requirements in different occasions.
◆ built in over temperature protection mechanism, when the temperature exceeds the set value of the device, the charging current will decrease linearly with the temperature, so as to reduce the temperature rise of the controller and avoid high temperature damage of the controller.
◆ with temperature compensation function, automatic adjustment of charging and discharging parameters, improve battery life.