An Enhanced Time-Domain Simulator of Transient Stability in Power Systems

被引:0
作者
Overlin, Matthew [1 ]
Barbar, Marc [1 ]
Kant, Krishan [1 ]
Kirtley, James, Jr. [1 ]
Smith, Christopher [2 ]
机构
[1] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
[2] MIT Lincoln Lab, Energy Syst Grp, Lexington, MA USA
来源
2019 IEEE PES/IAS POWERAFRICA | 2019年
关键词
Time-domain simulation; numerical techniques; transient stability; load flow;
D O I
10.1109/powerafrica.2019.8928632
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
Time-domain simulations can be used to study and verify the operation of an electrical network, whether large or small, fast or slow. In this study a classic 9-bus system is modeled in detail. The quantities of interest in this simulation are generator states, generator currents and node voltages. A differential-algebraic system of equations (DAE) is formulated. The generator states are dynamic while all other variables are algebraic. Important numerical techniques are highlighted: an implicit integration method with a technique to re-use prior information to speed up the simulation. A detailed analysis of several key state variables follows. The time evolution is discussed for different variables of interest in the synchronous machine models and network. This detailed model, coupled with an enhanced implicit integration method, yields numerical stability and stability in the model.
引用
收藏
页码:487 / 492
页数:6
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