Abstract
One of the main problems in creating Superconducting Magnetic Energy Storage (SMES) Systems is mechanical loads. This article shows that there is an effective way to solve this problem. For this, an SMES system in the form of a single superconducting loop located in a plane perpendicular to the magnetic lines of force of an external magnetic field is considered. The direction of circulation of the electric current is chosen so that the magnetic induction vectors of the superconducting loop and the external magnetic field have the opposite directions. From the side of the external magnetic field, a compressive force will act on the superconducting loop. Under certain conditions, the tensile force and the compressive force balance each other. It is shown that the elimination of mechanical loads allows increasing the energy density to ~ 237 MJ/kg. The energy storage in a superconducting loop (levitating above Earth’s magnetic pole) and its use for deliver cargos to outer space is considered.
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