17. Solar / PV & Renewables · Page 5 of 7
BESS and Hybrid Plants
Battery energy storage adds DC bus protection needs.

DC bus
High-energy DC buses need carefully selected DC SPDs and clear fault-clearing strategies.
PCS / transformers
Protect both converter AC and related auxiliary boards.
Safety
Coordinate with BESS fire and electrical safety design teams—surge design is part of the larger hazard story.
