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本文的研究成果可为地铁牵引供电系统接入电网提供了理论依据。
This thesis provides theoretical basis for metro traction system supply system connecting to power network.
另一方面，地铁牵引供电网络是一个交直流混合的网络，运行方式较为复杂。
On the other hand, since traction power supply network is a AC-DC network, its running modes are complicated.
利用线性代数等知识，根据实际工程需要，建立了地铁牵引供电系统的动态数学模型。
Using the knowledge of linearity algebra, the dynamic mathematical model for metro traction power system is founded as per the actual requirement of engineering.
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