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DC microgrid has been drawing much attention in recent years. In DC microgrid, introduction of renewable energies to demand sides possibly causes power imbalance and reverse power flows on feeders. These problems cause increase of distribution losses and voltage rises in feeders. To overcome these problems, a power flow control method among multiple DC feeders (nodes) is required. We have studied...
This paper studies efficiency improvement of DC power network by using multi-terminal power flow controller (MTPFC). We have proposed MTPFC for flexible and precise power flow control in DC power networks. The circuit topology and the control method have been investigated and it has been clarified that MTPFC is effective for power flow control in DC power networks. In this paper, we address efficiency...
DC power networks with introduction of distributed generation (DG) and energy storage (ES) systems have been drawing much attention in recent years. To control power flows in DC power networks, voltage of each terminal is usually an only controllable variable. Therefore, implementation of control method is generally simple, but it lacks flexibility particularly when the structure of the power network...
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