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With the increase of the scale of the power grid and the improvement of the intelligence degree, the rationality and accuracy of the schedule power flow (the schedule) are becoming more and more serious. In this paper, by analyzing the relationship between input and output in the process of power flow calculation, the five main factors influencing the line active power deviation and the main cause...
With the continuous expansion of calculation scale, on-line simulation analysis of large-scale power grid requires that network topology analysis is more efficient, while parallel topology is one good solution. Parallel topology of large scale power system on-line simulation calculation is studied in detail; this paper presented a parallel network topology algorithm, and this algorithm is successfully...
Dynamic Security Assessment (DSA) is based on analysis of transient stability, voltage stability, small-signal stability, which gives evaluation on multi-contingency and preventive measures or optimization strategies. PSASP Dynamic Security Assessment (PDSA) Graph-Data integration platform is studied in this paper, which supports not only graph configuration, auto-consistent graph and data, drawing...
Real-time electromechanical transient digital simulator simulates the transient process of power system after fault or other disturbances, and provides an ideal platform for fault-analysis, model validation and physical device testing. Providing interface for physical device and realizing the tests of dynamic component and automatic control devices are important functions of power system simulator,...
On the basis of contour tableau method, though the optimization of contour tableau constructing process, a power network portioning method for spatial parallel simulation is presented in this paper. On the basis of presented method, a task-partitioning module for parallel electromechanical transient simulation is developed. Using a practical power network, Northeast China, North China, Central China,...
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