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Micro Network Monitoring Technology Research for Smart Grid

With the rapid development of economy and electrical load, the social power demand becomes intense. At the same time, the blackout of large areas at home and abroad in recent years has exposed the vulnerability of capacity of anti-external shock of the grid. While, distributed generation has many advantages such as environmentally friendliness, flexibility, decentralizing, high efficiency, good reliability, and it is considered to be a beneficial supplement for large-scale power grid in future. Micro-grid monitoring technology is able to effectively integrate the advantages of distributed generation and improve the capacity of self-healing and anti-external burst interference of the distribution network, in order to achieve grid-connected power generation by more green renewable energy, and minimize its adverse impact to the power grid. This paper firstly introduces the main features and problems of the distribution network monitoring. Then, the main function of the micro-grid monitoring system is described based on concepts and characteristics of micro-grid. At last, there is some suggestions for micro gird monitoring technology.