分布式电源接入对配电网电压稳定性的影响

张师; 李卫国; 田蕾; 赵天晓; ZHANG Shi; LI Weiguo; TIAN Lei; ZHAO Tianxiao

doi:10.16513/j.cnki.10-1427/tk.2017.04.006

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分布式能源 ›› 2017, Vol. 2 ›› Issue (4) : 36-39. DOI: 10.16513/j.cnki.10-1427/tk.2017.04.006

应用技术

分布式电源接入对配电网电压稳定性的影响

张师 ¹ ,
李卫国 ¹ ,
田蕾 ² ,
赵天晓 ³ ,
ZHANG Shi ¹ ,
LI Weiguo ¹ ,
TIAN Lei ² ,
ZHAO Tianxiao ³

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Effect of Distributed Generation on Voltage Stability of Distribution Network

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摘要

The distributed generation (DG) access in distribution network has a great influence on the voltage stability of the distribution system, whose influence mechanism is worth further studying. This paper derives the voltage stability H index, and analyzes the influence mechanism of DG on the system voltage stability with the L index, and presents the measures to improve the voltage stability. The analysis results show that: the power and voltage drop across the lines are positively correlated with the voltage stability, and the reasonable adjustment of the DG power factor can effectively improve the voltage stability of distribution network. The validity of the conclusion is verified by the example of IEEE 33 node distribution network system.

关键词

分布式电源 (DG) / 配电网 / 电压稳定指标 / 电压降落 / 功率因数 / distributed generation (DG) / distribution network / voltage stability index / voltage drop / power factor

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张师, 李卫国, 田蕾, 等. Effect of Distributed Generation on Voltage Stability of Distribution Network[J]. 分布式能源. 2017, 2(4): 36-39 https://doi.org/10.16513/j.cnki.10-1427/tk.2017.04.006

[J]. Distributed Energy Resources. 2017, 2(4): 36-39 https://doi.org/10.16513/j.cnki.10-1427/tk.2017.04.006

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