9.2 PV modules
9.3 Balance of system
9.3.1 Mounting structures
9.3.2 Energy storage
9.3.3 Charge regulators
9.3.4 Inverters
9.4 Load
9.5 Types of PV systems
9.5.1 Stand-alone systems
9.5.2 Grid-connected systems
9.5.3 Hybrid systems
9.6 PV system design
9.6.1 Sizing of PV system
9.6.1 PV system design guide
– Determine the total load current and operational time
– Add system losses
– Determine the solar irradiation in daily equivalent sun hours (EHS)
– Determine total solar array current requirements
– Determine optimum module arrangement for solar array
– Determine battery size for recommended reserve time
9.7 Economics
9.7.1 PV system cost
9.7.2 PV electricity cost
9.8 PV systems installation and operation
9.8.1 Installation
9.8.2 Operation