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In this paper, the concept of P-Z-N distributed bipolar DC system is proposed in differentiation with existing PN distributed bipolar DC system. Such configuration enables each pole with independent operation capability and shows higher system reliability. Operation of P-Z-N distributed bipolar system involves coordination of PZ sub-microgrid and ZN sub-microgrid. In comparison with voltage balancer...
In dealing with the wide voltage range of renewable energy and energy storage device, non-inverting Buck-Boost converter (NIBB) have been utilized for DC-DC power conversion. This converter shows efficient steady-state performance under asynchronous control, but the dynamic performance is poor when input and output voltage are near. In this paper, the concept of unified mode control for NIBB is proposed...
Model predictive control (MPC) has been widely used in grid-connected battery energy storage system. This paper addresses model power predictive control in T-type three-level power conversion system. A model predictive control algorithm based on T-type three-level converter is proposed. Compared to traditional neutral point clamped (NPC) three-level converter, T-type three-level converter suffers...
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