定量计算了同相供电系统的直接和间接经济收益，并得到了回收年的计算公式；
The direct and indirect economic benefits obtained by cophase system are quantitatively evaluated and the calculation equation of investment returning year is derived.
所以提出了混合补偿式同相供电系统容量满意优化模型，并以此为目标加以讨论。
The model of satisfactory optimization with hybrid compensation co-phased traction power system capacity is presented in this dissertation.
讨论了同相供电对称补偿的不同接线形式，比较了各自的优缺点，给出了统一相量图。
It is discussed different connection forms of symmetrical compensation for cophase supply. Advantages and disadvantages are compared, and uniform phasor diagram is given.
仿真结果验证了本文给出的同相供电系统结构、平衡补偿方案、综合补偿电流检测方法等是正确可行的。
The proposed configurations of cophase power supply systems, currents balance compensation methods, comprehensive detecting reference are proved to be true and feasible.
同相供电系统的核心内容就是综合潮流控制器，本文对潮流控制器的控制原理以及控制方案进行了详细的叙述。
The core content of cophase traction power supply system is IPFC, in this paper, there is a detailed description for the control principle and control scheme of IPFC.
同相牵引供电系统的核心装置主要是牵引变压器和平衡变换装置。
The central device of cophase traction power supply system was traction transformer and balance convert device.
同相牵引供电系统的核心装置主要是牵引变压器和平衡变换装置。
The central device of cophase traction power supply system was traction transformer and balance convert device.
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