The paper discusses the problems regarding the low efficiency and unstable quality of the power supply in the electric network at universities.
分析了高校现有供电网络存在的效率低、能耗大和供电质量不稳定的问题。
It is significant in design of traction power supply systems and evaluation of relative power quality problems to build a proper electric load model for the electric multiple units (EMU).
动车组电气负荷建模对牵引供电系统的设计以及电能质量相关问题的评估具有重要意义。
With the rapid increase of electric power load, especially the increase of unbalanced, impact and nonlinear loads, the power quality problems have been more and more serious.
随着电能在国民经济各部门中的广泛应用，用电负荷迅速增加，特别是不对称、冲击性、非线性负荷容量不断增长，电能质量的问题日益突出；
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