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Microgrid is a single controllable unit constituting distributed generation (DG) and load in the power system. The micro source includes photovoltaic (PV) cells, wind turbine, micro turbine, fuel cell, electric accumulator and flywheel etc. Usually, the micro source operates in parallel with the normal distributed network that uses the power electronic devices. There are two typical operation modes...
Intermediate Bus Architectures have been popular in the telecom industry for their ability to easily accommodate a wide variety of loads from the telecom industry's common 36–60V distribution voltage range [1]. A key performance metric of telecom power systems is based on the performance of the bus converter used to enable this architecture. While point-of-load converter performance is mostly driven...
Accompanying with the development of distributed generation and renewable energy, the importance of energy storage system (ESS) is more and more visualized recently. To realize the comprehensive value of ESS, power conditioning system (PCS) is becoming key enabling technologies. The paper proposed a kind of universal architecture of PCS and its control technologies, which is based on 4-port concept...
Grid connected hybrid hydrogen systems consisting of an electrolyzer, a fuel cell and a battery may become major parts of local energy systems in future. System setup is quite challenging due to different electric constraints and the need for a gas management system. This paper presents planning for a technical setup using a DC micro grid and a hydrogen pressure tank and the development of a new control...
Since the Great East Japan Earthquake, everyone has come to review how to use electric energy. In addition, people who say that it should aggressively install safe and clean energy system have increased. To create city which is learned from nature, supported by science and technology, we started activity of community in Fukuoka and Yokohama. And the distributed energy system will be key function at...
The communication power supply need to meet the requirements of high dynamic and steady state, so as to ensure the stability when disturbed. V2C control method is studied by analyzing the effect of the parameters on the output with the help of small signal model. Then the V2C adaptive control method based on fuzzy rules is put forward to improve dynamic response and stability of system when disturbed,...
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