Impact of High PV Penetration on Voltage Stability

被引：10
|
作者：
Till, Jeremy [1 ]
You, Shutang [1 ]
Liu, Yilu [2 ]
Du, Pengwei [3 ]
机构：
[1] Univ Tennessee, Knoxville, TN 37996 USA
[2] Oak Ridge Natl Lab, Oak Ridge, TN USA
[3] Elect Reliabil Council Texas, Austin, TX USA
来源：
2020 IEEE/PES TRANSMISSION AND DISTRIBUTION CONFERENCE AND EXPOSITION (T&D) | 2020年
基金：
美国国家科学基金会;
关键词：
Voltage Stability; PV; Electric Reliability Council of Texas (ERCOT); LARGE-SCALE; SYSTEMS; GENERATION;
D O I：
10.1109/td39804.2020.9299973
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Photovoltaics (PV) are becoming increasingly relevant in modern power systems. With this increase also comes reliability concerns as photovoltaics behave differently than conventional generators. One reliability concern is voltage stability. In this paper, voltage stability of the Austin area in the Electric Reliability Council of Texas (ERCOT) system is studied using dynamic models with varying levels of photovoltaic penetration. The base case is set at 0% renewable penetration. Additional cases include 15% wind penetration and up to 65% photovoltaic penetration. The study results show that voltage/var control capacity is critical to voltage stability, which PV lacks. Voltage regulation of photovoltaics may cause over-voltage and voltage collapse may be more abrupt under high regional photovoltaic penetration.
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页数：5
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