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In this paper, power system area division scheme is discussed for system operation and control. By using system sensitivity analysis and N-1 contingency analysis, a dynamic system zoning scheme is proposed. Applying this area division scheme can reduce the risk of system mis-operation due to the complexity of power system and simplify the computing process. The proposed dynamic zoning scheme has been...
This is a summary of the presentation in the special session: “Digital Signal Processing for Green Power Systems and Delivery”. In recent years, wind power penetration level in power systems has increased significantly. Grid integration has become one of the major issues for wind power growth due to the intermittent characteristics of wind power. The uncertainty of power generation from wind farms...
With the development of electric power grid in China, some experiences in blackout analysis and prevention have been obtained. The experiences show that the security operations of bulk electric power systems depend not only on the technologies of system operation, analysis and control, but also on the management of power systems. This paper reviews the strategies of prevention cascading failures in...
Under frequency load shedding (UFLS), which has been worldwidely adopted in modern power systems, is an effective method to stop rapid frequency decay and to restore power system stability following heavy loss of generation. The traditional UFLS scheme is proposed for determining the amount of load to be shed based on the observed frequency deviation (Deltaf) following the system disturbances, but...
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