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Coil protection for a utility scale superconducting magnetic energy storage plant

Conference ·
Superconducting Magnetic Energy Storage (SMES) is proposed for electric utility load leveling. Attractive costs, high diurnal energy efficiency (greater than or equal to 92%), and rapid response are advantages relative to other energy storage technologies. Recent industry-led efforts have produced a conceptual design for a 5000 MWh/1000 MW energy storage plant which is technically feasible at commercially attractive estimated costs. The SMES plant design includes a protection system which prevents damage to the magnetic coil if events require a rapid discharge of stored energy. This paper describes the design and operation of the coil protection system, which is primarily passive and uses the thermal capacity of the coil itself to absorb the stored electromagnetic energy.
Research Organization:
Bechtel National, Inc., San Francisco, CA (USA); Lawrence Berkeley Lab., CA (USA); Los Alamos National Lab., NM (USA); GA Technologies, Inc., San Diego, CA (USA)
DOE Contract Number:
AC03-76SF00098; W-7405-ENG-36
OSTI ID:
5735764
Report Number(s):
LA-UR-86-2184; CONF-860705-3; ON: DE86012439
Country of Publication:
United States
Language:
English

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