| 摘要 |
1,150,500. Converting. SEVERO-ZAPADNOE OTDELENIE VSESOJUZNOGO GOSUDARSTVENNOGO PROEKTNO - IZYSKATELSKOGO I NAUCHNO - ISSELDOVATELSKOGO INSTITUTA ENERGOSET PROEKT. 8 Dec., 1967, No. 55876/67. Heading H2F. A converter sub-station for a D.C. transmission system comprising a number of converter blocks 1 1 , 1 2 , 1 3 , 1 4 connected in series is provided with an additional block 5 which can be switched into circuit in the event of a fault in one of the others.
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