配网线路改造与主网变电站站用变系统外接电源相序改变的问题探讨
Discussion on Distribution Line Transformation and Main Power Substation Station Transformer System Transformer External Power Supply Phase Sequence Change
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摘要: 当配网线路改造后线路相序发生改变，主网变电站站用变系统外接电源相序也随之改变，本文探讨了站用电系统相序改变后对站内设备造成的影响，分析问题发生时站内会出现的异常现象，同时提出了相应的预防措施。Abstract: When the distribution network line is changed, the phase sequence of the line changes, and the phase sequence of the external power supply of the substation system of the main network substation also changes. The abnormal phenomena that will appear in the station when it occurs, and corresponding preventive measures are also proposed.
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