Modular design of junction box of solar photovoltaic power generation components

SHI Yan-ping
（Yixing Technical College， Yixing 214206， China）

Abstract： Aiming at the problem that the traditional junction box of solar photovoltaic power components is not applicable to high-power circuit due to poor heat dissipation，the connection of traditional junction box was firstly updated，and then it was made into printed circuitboard（PCB） to relatively concentrate the components so as to form a modular combination. The lots of test and temperature were compared to the two kinds of junction boxes.The results indicate that the design enjoys great heat dissipation to be applied to high-power solar photovoltaic power components and it will become the product with high market value and competitiveness.
Key words： solar power； modular junction box； high-power circuit； heat dissipation