BESS.engineer · training figure2026 · REV A
AC · DCDC-coupled — shared DC bus, one inverter
SOLAR + STORAGE · SINGLE-LINE
Coupling
Power flow

In a DC-coupled plant the PV array and the battery meet on a shared DC bus behind a single grid inverter.

DC-coupled vs AC-coupled — the trade-off
DimensionDC-coupledAC-coupled
Simplified single-line — a real plant adds protection, metering, and auxiliaries. Conductor colour marks voltage class. BESS.engineer