Design principles and AC loss mitigation strategies for a 15 MVA HTS transformer

Q: What does this research mean for the field?

Optimizing winding ends to reduce AC loss is a critical design strategy for 15 MVA high-temperature superconducting (HTS) transformers, enabling configurations at 20 K, 70 K, and 77 K that effectively balance efficiency, conductor cost, and core weight. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Asef Ghabeli; Mathias Noe; S. Rother; Christian Schacherer; Aime Mbuy; Jürgen Gangel; Francesco Grilli

doi:10.1016/j.egyr.2026.109233

March 17, 2026Energy ReportsOpen Access

Design principles and AC loss mitigation strategies for a 15 MVA HTS transformer

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Key Points

The study aims to investigate strategies for mitigating AC loss in 15 MVA high-temperature superconducting transformers.
Developed a numerical framework to model HTS tapes in LV and HV windings.
Evaluated design parameters affecting AC loss such as winding height and radial distance.
Analyzed different operating temperatures: 20 K, 70 K, and 77 K.
Proposed design improvements based on efficiency, weight, and cost considerations.
Identified key strategies for reducing AC loss at winding ends.
Quantified the impact of design parameters on AC loss.
Proposed optimized transformer designs that balance AC loss reduction and cost.
Validated design principles for scalable HTS transformers in offshore wind applications.

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Implication

This investigation reveals design strategies for reducing AC loss in 15 MVA HTS transformers, indicating potential applications for efficient offshore wind energy systems.

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Cite This Study

Ghabeli et al. (2026) studied this question.

synapsesocial.com/papers/69be34d16e48c4981c672e7a https://doi.org/10.1016/j.egyr.2026.109233

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Design principles and AC loss mitigation strategies for a 15 MVA HTS transformer

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Design principles and AC loss mitigation strategies for a 15 MVA HTS transformer

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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