5[2]Working Group G-7 of the Relay Standards Committee of the Power Systems Relaying Committee. IEEE Standard Inverse Time Characteristic Equations for Overcurrent Relays. IEEE Trans on Power Delivery, 1999, 14(3): 868~872
6[3]Benmouyal G. Some Aspects of the Digital Implementation of Protection Time Functions. IEEE Trans on Power Delivery,1990, 5(4): 1705~1713
7[4]Henville C F. Combined Use of Definite and Inverse Time Overcurrent Elements Assists in Transmission Line Ground Relay Coordination. IEEE Trans on Power Delivery, 1993,8(3): 925~932
8Katiraei F, Iravani M R, Lehn P W. Microgrid autono- mous operation during and subsequent to islanding proc- ess [J]. IEEE Transactions on Power Delivery, 2005, 20(1) : 248-257.
9Milosevic M, Andersson G. Generation control in small isolated power systems [C]//37th North American Power Symposium. Ames, USA, 2005: 524-529.
10Katiraei F, Iravani M R. Power management strategies for a microgrid with multiple distributed generation units [J]. IEEE Transactions on Power Systems, 2006, 21 (4). 1821-1831.