Self-starting strategy of variable speed pumped storage units in pumping mode

被引：0
作者：
Shao Y. [1 ]
Ji L. [1 ,2 ]
Yuan Y. [2 ]
Gao S. [3 ]
机构：
[1] NARI Group Corporation (State Grid Electric Power Research Institute), Nanjing
[2] College of Energy and Electrical Engineering, Hohai University, Nanjing
[3] State Grid Xinyuan Company Limited, Beijing
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2016年 / 40卷 / 24期
关键词：
Mechanical characteristic; Pumped storage; Self-starting; Variable speed constant frequency;
D O I：
10.7500/AEPS20160816008
中图分类号：
学科分类号：
摘要：
This paper focuses on the self-starting strategy of variable speed pumped storage units (VSPSU) by the shorting machine stator. Firstly, the mathematical model, phasor diagram and characteristics of VSPSU are proposed while the machine stator is being short-circuited. Then a robust stator flux observer is created for the self-starting strategy with stator flux oriented control to accelerate the rotor for synchronization. The starting time, torque characteristics and estimated accuracy of this strategy are quantitatively analyzed by simulation. The results show that the strategy has good starting performance and robustness. © 2016 Automation of Electric Power Systems Press.
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页码：125 / 130
页数：5
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