Structural considerations and analysis results for a large superconducting magnetic energy storage device

Dederer, J. T.; Hillenbrand, R.J.; Hackworth, D.T.; Haung, X.

doi:10.1109/20.133519

Cited by 5 publications

(1 citation statement)

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“…Large scale superconducting magnetic energy storage systems, such as those anticipated by the Engineering Test Model, [2] [3] have focused on the benefits of load leveling to electrical utilities. To be economically competitive, these systems must store and deliver large amounts of energy.…”

Section: Introductionmentioning

confidence: 99%

SSD operating experience

Daugherty

Buckles

Knudtson

et al. 1993

IEEE Trans. Appl. Supercond.

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Superconductivity, Inc. has developed a selfcontained system called the SSDW that uses the energy stored in a superconducting magnet to provide voltage support for large electrical loads. This paper reports on operating experience gained during the development and first two years of SSD field operation. The SSD delivers energy from its superconducting magnet to a customer's load using a current-to-voltage converter which feeds an inverter. Two different systems have been developed based on different inverter topologies. One configuration supports an adjustable speed motor load. The other supports diverse ac loads and incorporates a static isolation switch. After commissioning on SI's test floor these systems have been installed at customer sites. Each system has successfully carried industrial loads through numerous voltage sags. Field operating data on both system configurations is reported. A companion paper by Buckles et. al.[I] contains a detailed discussion of the design of the SSD.

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Section: Introductionmentioning

confidence: 99%