Advances in New and Renewable Energy >
Impacts of Distributed Generations with High Penetration Level on Voltage Stability of Power System
Received date: 2016-07-19
Revised date: 2016-09-18
Online published: 2016-10-28
In order to investigate the impacts of distributed generation (DG) with high penetration level on voltage stability of power system, this paper focuses on the characteristics of different DGs, presents corresponding grid-tied control strategies and the DG generators’ dynamic model. Theoretical analysis and numerical study was conducted for the effects of the grid-connection DGs on the grid static voltage, dynamic characteristics of DG speed and frequency under different penetration levels, as well as the impacts of DGs with different control strategies on the power system during the fault. The results show that micro-grid can provide voltage support, but with the penetration increases it generates negative effect on grid stability; and the voltage source DGs can promote the recovery of grid voltage and frequency after the fault.
ZHANG Ji-yuan , HUANG Lei , SHU Jie , WANG Hao , DING Jian-ning . Impacts of Distributed Generations with High Penetration Level on Voltage Stability of Power System[J]. Advances in New and Renewable Energy, 2016 , 4(5) : 379 -385 . DOI: 10.3969/j.issn.2095-560X.2016.05.007
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