| Title |
A Study on Coherency Aggregation Method Using Relation Index of State Variables in the Power System |
| Authors |
이병하(Lee, Byung-Ha) ; 백정명(Baek, Jung-Myoung) |
| Keywords |
Coherency Aggregation Method ; Relation Index ; Coherency ; State Variable |
| Abstract |
The modem large electric power system has made power system analysis much more complex and difficult. For effective analysis of the power system, model reduction and aggregation is required. In this paper, a new relation index to identify the coherency among the generators is presented and also a new aggregation method is presented to aggregate the coherent generators in the large scale power system while matching the power flow. In order to demonstrate the effects of this aggregation method, it is applied to the IEEE 39 bus test power system and to the 2006 summer power system of Korea Electric Power Corporation, and the simulation results are compared with those of the original system. |