الجمعة، 26 فبراير 2016

Solar junction Boxes’ functions and role

Like electric junction boxes that provide proper housing for electric cables, solar junction boxes are also made to provide housing for cables used in solar PV systems. In addition, they are also used as the interface between the panel and the DC input and output cables of PV panels. In many PV products, Junction boxes have been designed by PV manufacturers as such to be directly installed on the back of PV panels.
Components of a Junction Box

Each Solar Junction Box including the most advanced ones is mainly composed of the following parts.
junction box components
  • Casing
  • Input and output connectors
  • Conducting strip
  • Bypass diode (Bypass diodes prevent return of battery current to the panels in case the solar panel’s produced voltage is lower than that of the batteries.

Role of Junction Boxes
One of the main duties of junction boxes is providing of safety and protection for the overall system; therefore, due to this role, they are designed with special care and with high specifications to meet measures required by PV systems.Their main functions in the system can be summarized as the following:
  • Providing of proper connection of batteries to the system and transferring of electricity to the control system.
  • Providing of safety and protection of the components that are highly subjected to environmental 
  • conditions.
  • -------------------
http://www.wxminyue.com/solar-junction-boxes-functions-and-role/

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