BS EN ISO 13297:2021+A11:2023 ISO 13297:2020+A1:2022
e) Isolation transformer system with single phase 230 V input, 230 V output with craft ground- ed secondary— Transformer shield grounded on the shore
f) Isolation transformer system with single phase 230 V input, 230 V output with craft ground- ed secondary— Transformer shield grounded on the shore shown with inverter/charger