Integration of solar PV with MPPT control and battery storage by using control system diagram. The availability of PV power generation, variables of the current battery, and grid data available are the factors that must be considered for efficient power transfer.
In this research, a solar photovoltaic system with maximum power point tracking (MPPT) and battery storage is integrated into a grid-connected system using an improved three-level neutral-point-clamped (NPC) inverter. An NPC inverter with adjustable neutral-point clamping may achieve this result.
Integration of solar PV and battery storage with two proposed configurations: (a) basic configuration and (b) improved configuration. If implemented, the suggested inverter topologies have the potential to lower system costs while simultaneously increasing total system efficiency, especially in medium- and high-power applications.
The Energy Storage System uses a MultiPlus or Quattro bidirectional inverter/charger as its main component. Note that ESS can only be installed on VE.Bus model Multis and Quattros which feature the 2nd generation microprocessor (26 or 27). All new VE.Bus Inverter/Chargers currently shipping have 2nd generation chips.
Many solar hybrid inverters are compatible with different types of batteries, including lead-acid, lithium-ion, and even advanced energy storage systems like Tesla Powerwall. Hybrid inverters often come with built-in monitoring and control capabilities.
Feed-in of PV power via an MPPT Solar Charger can be enabled or disabled in the Energy Storage Systems menu on the CCGX. Note that when disabled, the PV power will still be available to power AC loads. Feed-in of PV connected to grid-tie inverters occurs automatically.