Vol.5 No.3 (June 2015)
The Planning and Research of Grid-Integration for Distributed Generation Based on Micro-Grid
The contradiction between the large grid and distributed power is intensifying because of the fast development of new energy. To fully tap into the value and benefits of distributed energy for the grid and users, micro-grid emerges as the times require. Micro-grid integrates multiple DG as an independent system of power stability, and effectively solves the problem of large-scale DG access. As a useful supplement to the single grid, it has huge potential for wide application. This paper carries on the classification according to micro-grid’s applications in different environments, ana-lyzes their different functional requirements, puts forward the principle of planning and design of micro-grid, lists the common structure form, and describes the micro-grid power planning. Finally, a practical case is simulated; the result is able to provide references for the planning of grid-inte- gration for distributed generation.
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