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The Multi-support Power System Based On Microgrid Technology

Posted on:2012-07-07Degree:MasterType:Thesis
Country:ChinaCandidate:G S ZhangFull Text:PDF
GTID:2132330335954429Subject:Power system and its automation
Abstract/Summary:PDF Full Text Request
Based on the in-depth analysis of characteristics and key technology of microgrid, with the background of modern important military power demand, the paper presents a power supply system solution of master-slave control strategy, which can not only supply the system together with big power grid system, but also be independent in supply for the loads in the system when big power grid breaks down. So this power supply system solution can improve the flexibility and reliability of power supply of important place. Then the operation control mechanism is discussed deeply and the control technology of inverter and main-subordinate are analyzed in the paper. Further, the relevant controllers are designed in simulation of PSCAD. It contains PQ control, voltage frequency control, island detection and Droop control, some of which are detailedly analyzed. Finally, the operation state of microgrid combined with big grid system and independent microgrid are simulated through practical example simulation respectively. The feasibility and stability of the microgrid system are proved, which will provide some reference for the power supply of the important military site.
Keywords/Search Tags:Microgrid, Power system, V/f control, Droop control, Stability
PDF Full Text Request
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