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A hybrid AC/DC microgrid systems that uses a triple active bridge (TAB) converter as a power routing unit has been proposed. Since the demand and supply balance of power fluctuates in the microgrid system, the power handled by the TAB converter also varies with time. Therefore, a TAB converter with a small load-factor dependence of transmission efficiency is necessary to reduce the unit's overall...
We propose an autonomous hybrid AC/DC microgrid system that uses a triple active bridge (TAB) converter as a power routing unit. A TAB converter that can independently control transmission power among three ports is suitable for constructing the microgrid system. We made a prototype TAB converter rated at 400 V, 20 kHz, and 10 kW and demonstrated that it can control the transmission power when the...
An autonomous DC microgrid system with triple-active bridge (TAB) converters as power-routing units has been proposed. To investigate the next-generation smart grid in which each port has loads, batteries, or energy resources and multiple TAB converters connect to each other, it is necessary to construct a computer simulation model of a TAB converter using a typical power electronics simulator. In...
An autonomous DC microgrid system that uses a triple active bridge converter as a power routing unit is proposed. A control system that can independently manage the transmission power between each port is needed to construct the microgrid. This paper describes how the decoupling power flow control system is implemented in the prototype triple active bridge (TAB) converter rated at 400 V, 10 kW, and...
We propose an autonomous DC microgrid system in which a three-way isolated DC/DC converter is used as a power routing unit for constructing DC 400 V microgrid systems. As the unit in the system operates with various power flow patterns, a highly efficient system cannot easily be designed unless the dependence of the unit's overall loss on the flow pattern is suppressed and efficiency variations in...
We propose an autonomous DC microgrid system in which a three-way isolated DC/DC converter is used as a power routing unit. As the unit in the system operates with various power flow patterns, a highly efficient system cannot be easily designed unless the dependence of the unit's overall loss on the flow pattern is suppressed and efficiency variations in any operational state are small. We made a...
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