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In order to compensate flexibly reactive power, it is necessary to develop a controllable reactor in long-distance and ultrahighvoltage systems. A 35-kV/3.5-MVA single-phase high-temperature superconductivity-controllable reactor (HTS-CR) is being developed. The control windings of the HTS-CR are made of HTS. The closed-cycle cooling method with the subcooled liquid nitrogen (LN) flowing in the cryogenic...
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