Các anh down giúp 2 bài báo này.
1. Aggregation of induction motors for transient stability load modelling.
http://ieeexplore.ieee.org/xpl/freea...rnumber=466523
2. Aggregation of induction machines for power system dynamic studies
http://ieeexplore.ieee.org/xpl/freea...rnumber=331467
Thanks.