Christine Burns MBE 🏳️⚧️📚⧖@goatsarah @ajlanes Whilst it’s not surrounded by water it is (a) surrounded by chalk and (b) running through a long reinforced concrete tube full of rebar, so the cable would have an impedance for AC similar to coax. But I agree that the need for AC synchronisation would result in having to build inverters at both ends anyway, especially for it to be bidirectional
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