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The first commercial gas insulated transmission line (GIL) in Japan, a 154kV system, was completed in one of the substations of The Tokyo Electric Power Company Inc. in July, 1979. Thereafter, a 275kV GIL was constructed in March, 1980. This paper describes the details of the design, installation, and tests of these GILs.
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Watanabe et al. (1981) studied this question.
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