Even bipolar (two-conductor) high voltage DC transmission lines often include grounding systems so they can use ground return during an outage or emergency if one pole is out of service.

factualpending

Speaker

Grady Hillhouse

Evidence Quote

even the bipolar lines often include grounding systems so they they can use ground return during and outage or emergency if one pole is out of service.

Source

Where Does Grounded Electricity Actually Go?Practical Engineering
Created: 8/12/2026, 6:16:07 PM

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