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文中针对白山抽水蓄能电站机组转水泵工况下,变压器高压侧断路器空载分合闸失败的原因进行分析。采用SID-3YL涌流抑制器来抑制变压器励磁涌流,并解决了涌流抑制器与微机准同期装置相冲突而造成变压器空载合闸的设计缺陷。旨在为其他抽水蓄能电站的安装与设计提供借鉴,避免同类问题的出现。
In this paper, Baishan Pumped Storage Power Station unit to pump conditions, the high voltage side of the transformer circuit breaker open failure analysis. The SID-3YL surge suppressor is used to suppress the magnetizing inrush of the transformer, and the design defect that the inrush suppressor collides with the microcomputer during the quasi-synchronizing device and solves the no-load closing of the transformer is solved. The purpose is to provide reference for the installation and design of other pumped storage power stations to avoid the emergence of similar problems.