[논문]Key parameters of toroidal HTS coil for a superconducting magnetic energy storage system

Miyeon, Yoon; Jinwoo, Han; Ji-Kwang, Lee; Kyeongdal, Choi; Jung Tae, Lee; Seungyong, Hahn; Woo-Seok, Kim

doi:10.9714/psac.2022.24.4.050

[국내논문] Key parameters of toroidal HTS coil for a superconducting magnetic energy storage system 원문보기

Progress in superconductivity and cryogenics : PSAC, v.24 no.4, 2022년, pp.50 - 54

Miyeon, Yoon (Tech University of Korea) , Jinwoo, Han (Tech University of Korea) , Ji-Kwang, Lee (Woosuk University) , Kyeongdal, Choi (Tech University of Korea) , Jung Tae, Lee (Seoul National University) , Seungyong, Hahn (Seoul National University) , Woo-Seok, Kim (Tech University of Korea)

Abstract ▼ AI-Helper

High temperature superconducting (HTS) magnets for large-capacity energy storage system need to be composed of toroid magnets with high energy density, low leakage magnetic fields, and easy installation. To realize such a large capacity of a toroid HTS magnet, an HTS cable with large current capacity would be preferred because of the limited DC link voltage and instantaneous high power required for compensation of the disturbance in the power grid. In this paper, the optimal operating strategies of the SMES for peak load reduction of the microgrid system were calculated according to the load variation characteristics, and the effect of compensation of the frequency change in microgrid with a SMES were also simulated. Based on the result of the simulation, key design parameters of SMES coil were presented for two cases to define the specification of the HTS cable with large current capacities for winding of HTS toroid coils, which will be need for development of the HTS cable as a future work.

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표/그림 (6)

그림 Fig. 1. Case 1 Application result of SMES (a) Power change with time of SMES (b) Comparison of load variation before and after connection with SMES (c) Energy change with time of SMES.
그림 Fig. 2. Case 2 Application result of SMES (a) Power change with time of SMES (b) Comparison of load variation before and after connection with SMES (c) Energy change with time of SMES.
그림 Fig. 3. Block diagram showing SMES connected with synchronous generator inertia simulation.
그림 Fig. 4. Normalized load variation for simulation.
그림 Fig. 5. Analysis of Operation Characteristics of SMES Coil of Synchronous Generator Inertia Model (a) Power of SMES in Case 1 (b) Current pattern of SMES in Case 1 (c) Power of SMES in Case 2 (d) Current pattern of SMES in Case 2.
표 TABLE Ⅰ DESIGN RESULTS OF EACH CASE OF SMES FOR FREQUENCY COMPENSATION.

참고문헌 (11)

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