Title |
A Study on the Tripping Scheme of Generator Based on Transient Stability Analysis |
Authors |
이윤환(Yunhwan Lee) ; 한상욱(Sangwook Han) |
DOI |
https://doi.org/10.5370/KIEEP.2019.68.2.089 |
Keywords |
Gap Criterion ; Generator Tripping ; Rate of Change of Active Power ; Special Protection Scheme ; Transient Stability |
Abstract |
In this paper, proposed a method for tripping generators to ensure transient stability for the power system. For this purpose, method of grouping important generators through the analysis of the generator phase angles was applied. In addition, the kinetic energy and the rate of change of active power of the critical generator group were examined. On the basis of this, a methodology was adopted to stabilize the system by selecting tripping generators. By applying the proposed method might be improving the transient stability based on the efficient generator tripping scheme, and to reduce the tripped capacity and the number of tripping generators compared to the existing Special Protection Scheme. A case study has conducted the validity of the proposed method is demonstrated for a practical system. The simulations were conducted using real Korean power systems data. |