Why is anti-islanding protection required in grid-connected inverters?

• A. Inverters should stay on during grid outages to supply power.
• B. Anti-islanding prevents islanded operation by the grid and is not needed for grid-connected systems.
• C. Anti-islanding is only a concern for microinverters.
• D. Anti-islanding protection ensures inverters shut off during grid outages to protect workers and equipment.

Answer: (D)