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In order to accurately calculate power systems available transfer capability (ATC), this paper proposes anew model including FACTS devices for calculating transfer capability with the "N-1" static stability margin constraints. Based on the teaching- learning-based algorithm (TLBO), an improved teaching-learning algorithm (ITLA) is put forward which is able to deal with complicated nonlinear...
This paper is aimed at the proposal of a structure for the comprehensive platform for analysis and warning of power grid. The emphasis is placed on the illustrating the function and structure, as well as the algorithm of the platform. The platform can integrate the dispatching systems widely used, including EMS, OMS, Scheduling Plan System, Lightning Location System, Waterpower Scheduling Automation...
Primary frequency regulation plays a significant role in power system frequency control. As a result of the separation of plant and grid, it becomes necessary for the grid to monitor the primary frequency performance of generators. This paper designs an online evaluation system of primary frequency regulation based on WAMS. Firstly, the evaluation indices system is proposed, which assesses the primary...
Voltage stability is a crucial factor in power system operation. When bus voltage exceeds the operation limits because of change of the operation mode, load in the network or the environmental factors, appropriate control actions should be taken to guarantee a secure system operation, avoiding emergency situations or voltage collapse. Development and improvement of the algorithm for voltage security...
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