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在石油化工项目中,部分装置布置远离主装置区布置,该装置总用电容量较小,与主变电所距离较远,需就近设置独立低压配电室。该独立低压配电室有低压进线和中压进线两个方案,本文建立两种方案差价对比的数学模型,并给出基于给定的“装置总用电容量”和“独立低压配电室与上级变电所距离”情况下的合理选择。
In the petrochemical project, some installations are arranged far away from the main installation area. The total capacity of this installation is small and far away from the main transformer substation, and an independent low-voltage distribution room needs to be set nearby. The independent low-voltage distribution room has two schemes of low-voltage incoming line and medium-voltage incoming line. In this paper, a mathematical model of the difference between the two schemes is established, and based on the given “total installed capacity” and “ Low-voltage distribution room and superior substation distance ”the case of a reasonable choice.