Direct-current superconducting liquid hydrogen energy pipeline system with liquid nitrogen cold shields

A superconducting liquid hydrogen energy pipeline system, comprises:

• a superconducting liquid hydrogen energy pipeline starting station, wherein the superconducting liquid hydrogen energy pipeline starting station prepares a first DC power to be transmitted out of the superconducting liquid hydrogen energy pipeline starting station;
• one or more superconducting liquid hydrogen energy pipeline intermediate stations, wherein each superconducting liquid hydrogen energy pipeline intermediate station combines the first DC power received and a DC power generated for transmission through an output superconducting cable pipeline out of the superconducting liquid hydrogen energy pipeline intermediate station;
• a superconducting liquid hydrogen energy pipeline terminal station, wherein the superconducting liquid hydrogen energy pipeline terminal station terminates the DC power transmission, inverts a DC power received to generate AC power, and delivers the AC power generated to an output to power grid at the superconducting liquid hydrogen energy pipeline terminal station;
• and
• a plurality of superconducting cable pipelines, wherein the plurality of superconducting cable pipelines sequentially connects the superconducting liquid hydrogen energy pipeline starting station, the one or more superconducting liquid hydrogen energy pipeline intermediate stations, and the superconducting liquid hydrogen energy pipeline terminal station to transmit electrical power from the superconducting liquid hydrogen energy pipeline starting station to the superconducting liquid hydrogen energy pipeline terminal station.

A method of using a superconducting liquid hydrogen energy pipeline system, comprising:

• installing a superconducting liquid hydrogen energy pipeline starting station at a first AC power source;
• installing a superconducting liquid hydrogen energy pipeline terminal station at a location where the AC power from the first AC power source is to be delivered;
• installing a superconducting cable pipeline connecting the superconducting liquid hydrogen energy pipeline starting station and the superconducting liquid hydrogen energy pipeline terminal station, wherein the superconducting cable pipeline is configured to transmit a first DC power from the superconducting liquid hydrogen energy pipeline starting station to the superconducting liquid hydrogen energy pipeline terminal station;
• electrolyzing, by a water electrolysis device at the superconducting liquid hydrogen energy pipeline starting station, clean water to generate oxygen and hydrogen, liquifying, by a hydrogen liquefier, the hydrogen to generate liquid hydrogen and delivering the liquid hydrogen generated to a first liquid hydrogen storage container for cooling the superconducting cable pipeline;
• connecting the first AC power source to a first electrical power input rectifying station to rectify AC power from the first AC power source to generate the first DC power, and delivering the first DC power to a superconducting cable group of a superconducting cable pipe of the superconducting cable pipeline through a normal temperature cable group, a low temperature cable group, and a power adapter of the superconducting liquid hydrogen energy pipeline starting station;
• transmitting, the first DC power through the superconducting cable group of the superconducting cable pipe of the superconducting cable pipeline, to the superconducting cable group of the superconducting cable pipe of the superconducting cable pipeline of the superconducting liquid hydrogen energy pipeline terminal station through a power adapter of the superconducting liquid hydrogen energy pipeline terminal station, a low temperature cable group, and a normal temperature cable group;
• and
• inverting, by an output power inverter station of the superconducting liquid hydrogen energy pipeline terminal station, the DC power received to AC power, and delivering the AC power to an output to power grid.