It consists of solar cell array, controller, DC/AC inverter, photovoltaic power generation system auxiliary facilities (DC power distribution system, AC power distribution system, operation monitoring and monitoring system, lightning protection and grounding system) and other. It consists of solar cell array, controller, DC/AC inverter, photovoltaic power generation system auxiliary facilities (DC power distribution system, AC power distribution system, operation monitoring and monitoring system, lightning protection and grounding system) and other. Solar Panels Definition: Solar panels, also known as photovoltaic panels, convert sunlight into electrical energy using interconnected solar cells. Battery Role: Batteries store solar energy to ensure a consistent power supply, even when sunlight is not available. Controller Function: Controllers. Grid-connected solar systems are reshaping how homes harness renewable energy. Let's explore how this technology works, its benefits, and why it's becoming a must-have for modern households. It covers system configurations, components, standards such as UL 1741, battery backup options, inverter sizing, and microinverter systems. Solar panels, also called PV panels, are combined into arrays in a PV system.