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Comprehensive analysis of solar charge controller

Article source:www.olyssolar.com Popularity:103 Editor in charge:olys factory Release date:2018-01-24

Comprehensive analysis of solar charge controller

Solar charge controller is used to control the charge and discharge and with reverse charge protection, overcurrent protection, overload protection, short circuit protection, digital display parameters and other functions of electronic equipment. If you want to select the solar controller, it is recommended that the selection of Olin's website. There are various models and specifications. Usually solar street light controller will have waterproof protection measures. According to different needs to choose. Input and output power levels, the input power is mainly solar panels, and the controller is basically calculated according to the current. Such as 12V system 120 board that should be at least select the rated 10A controller. The actual current system around 7A is the safety margin.


Solar controller using high-speed CPU microprocessors and high-precision A / D converter, is a microcomputer data acquisition and monitoring control system. It can not only collect the current working status of PV system in real time but also obtain the working information of PV station at any time and accumulate the historical data of PV station in detail. Solar controller can also carry out serial communication data transmission function, multiple PV system sub-stations for centralized management and remote control. In addition, the current solar controller charging methods are generally both MPPT and PWM charging technology.

1, MPPT charging technology

MPPT (Maximum Power Point Tracking) is a method that allows the photovoltaic panel to output more electrical energy by adjusting the working state of the electrical module. The electrical energy can store the direct current generated by the solar panel in the accumulator.

2, PWM charging technology

PWM (Pulse Width Modulation) is an analog control charging method, according to the corresponding load changes to modulate the base of the transistor or MOS tube gate bias to achieve the transistor or MOS tube on-time changes, in order to achieve switching stability Change the power output. PWM charging mode can make the power supply output voltage changes in the working conditions remain stable, is the use of microprocessor digital signals to control analog circuits is a very effective technique.

The above information provided by the Shenzhen Olys Technology and Technology.

Shenzhen Olys Technology 12 years focused on the development and manufacture of solar controller, master the core of solar energy controller, cutting-edge technology, service more than 300 new energy companies.

If you have in terests for solar charge and have any concern , please send mail to Anna:sale2@olys-digital.com, Whatsapp:+8615367961529

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