A multi-level virtual conductor as a backbone of a DC power routing system

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20143618123490
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(1) Kyushu University, Fukuoka, 819-0395, Japan | 1600年 / IEEJ卷 / IEEE Computer Society期
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A new control approach for bidirectional DC-DC (BDC) converter is proposed in this paper. This approach aims at controlling a BDC in such a way that makes it behaves like a multi-level virtual conductor. As a matter of fact; the voltage difference between the terminals of any conductor is zero volts. Conversely; the main target of the proposed control approach is to keep the voltage difference between the converter terminals constant at certain value. In other words; the proposed control approach permits the DC-DC converter to transfer the power between two nodes at different voltage levels. In this way; the converter performs like a conductor but unlike the normal conductor; it has voltage deference between its terminals. Thus; the authors call it virtual conductor. This virtual conductor is considered a base to a power routing in dc networks; since it has the ability of transferring the electric power between nodes at different voltage levels. Furthermore; it allows an easy plug-and-play feature. The proposed BDC system configuration has been investigated analytically; using simulation; and experimentally. © 2014 IEEE;
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