A vehicle 40, such as an aircraft, has an electrical energy distribution network 44 with an electrical energy distribution element 45, such as a cable, carrying electrical power from an electrical energy source 43 to a high voltage energy consumer 42, such as an electric propulsion motor; and a cooling system 46 with a coolant distribution network 49 having a coolant distribution element 48, such as a non-metallic pipe, delivering coolant, to the consumer. The coolant pipe provides mechanical support to the electric cable, and the coolant removes heat generated by both the consumer, and the electric cable as it carries the electrical power. Preferably, there are a number of electrical cables (fig.3,32a,32b,32c) which are supported around the coolant pipe (fig.3,34) in a bundle (fig.3,30) with the coolant pipe at the centre. The electrical network may have two or more electrical cables each carrying alternating current at a different phase from a multiphase energy source to a multiphase consumer. The energy source may be one or a combination of a battery, generator, fuel cell 54, and photovoltaic cell; the coolant may be a liquid hydrogen fuel of a fuel cell.
Cooling an electrical energy distribution network
2022-10-05
Patent
Elektronische Ressource
Englisch
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