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The remarkable characteristic of the future smart grid is that it has a good interaction and a complete self-healing ability. It can also reflect the technical level of the whole grid and the degree of intelligence. Intelligent distribution network is not only the core of the future smart grid, but also the final link between the power grid and the users. It also can real-time and direct two-way interaction...
This paper stands on the perspective of smart grid and smart electricity needs, presenting the concept of distributed power, making depth study on two levels of “Plug and Play” device information exchange and “Plug and Play” management technology after that. Firstly, the paper presents status of research studies at home and abroad. On this basis, for different forms of distributed power access, the...
To benefit the compact and insulation design of feeder switches, a current transformer feeding power supply is put forward. The non-linear behavior of the current transformer, the circuit topology and design considerations of the proposed power supply are detailed. Losses of the devices and the minimum primary current to ensure the performance of the power supply are analyzed, as well. Experiments...
To keep the automation terminal units working for a short period in case of outage, a back-up switching supply based on super-capacitor energy storage is proposed. The design considerations of the converterpsilas lowest-limit working voltage, the needed capacitance of the super-capacitor and the needed capacitance of the output capacitor are discussed. An example is given. The experiment results show...
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