Solar power system controller

◆With the advanced dual- peak or multi- peak tracking technology, when the solar panel

is shadowed or part of the panel failsresulting in multiple peaks on the IV curve, the

controller is still able to accurately track the maximum power point.

◆A builtin maximum power point tracking algorithm can significantly improve the energy

utilization efficiency ofphotovoltaic systems, and raise the charging efficiency by 15% to

20% compared with the conventional PWM method.

◆A combination of multiple tracking algorithms enables accurate tracking of the optimum

working point on the I-V curve inan extremely short time.

◆The product boasts an optimum MPPT tracking efficiency of up to 99.9%.
◆Advanced digital power supply technologies raise the circuit’s energy conversion

efficiency to as high as 98%.

◆Different charging program options including those for gel batteries, sealed batteries

and open batteries, customizedones, etc. are available.

◆The controller features a limited current charging mode. When the solar panel power

exceeds a certain level and thecharging current is larger than the rated current, the

controller will automatically lower the charging power and bring thecharging current

to the rated level.

◆Instantaneous large current startup of capacitive loads is supported.
◆Automatic recognition of battery voltage is supported,
◆LED fault indicators and an LCD screen which can display abnormality information

help users to quickly identify systemfaults.

◆Historical data storage function is available, and data can be stored for up to a year.
◆The controller is equipped with an LCD screen with which users can not only check

device operating data and statuses, butalso modify controller parameters.

◆The controller supports standard Modbus protocol, fulfilling the communication

needs of various occasions.

◆All communications are electrically isolated, so users can rest assured in usage.
◆The controller employs a built-in over-temperature protection mechanism. When temperature surpasses the set value,

thecharging current will decline in linear proportion to the temperature and

discharging will be halted s0 as to curb the

temperature rise of the controller, effectively keeping the controller from being

damaged by overheat.

◆With the help of an external battery voltage sampling function, battery voltage

sampling is exempted from the effect ofline loss, making control more precise.

◆Featuring a temperature compensation function, the controller can automatically

adjust charging and discharging parameters in order to extend the battery’s service life.

◆The controller also features a battery over-temperature protection function, and when the external battery temperatureexceeds

the set value, charging and discharging will be shut off so as to protect components

from being damaged by overheat.

◆TVS lighting protection


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