A Fast Electromagnetic Transient Simulation of Large-Scale Power System

doi:10.3969/j.issn.1000-7229.2015.12.003

Abstract

Abstract:

With the wide application of power electronic devices in power system, such as high voltage direct current （HVDC）, flexible AC transmission systems （FACTS） and so on, the electromagnetic transients program （EMTP） gradually becomes an important tool for power system analysis. However, the simulation scale of EMTP is limited due to the small time step, occupying large memory and slow computing speed. Based on the rotating transformation of single phase coordinate, this paper proposed a fast simulation method with large time step, which could reduce the signal frequency through the rotation transform. Compared with the electromechanical transient simulation, this method can reflect the electromagnetic transient behavior of the system and improve the simulation accuracy. It also can improve the simulation speed compared with the traditional electromagnetic transient simulation.

Key words: large-scale power system, electromagnetic transient simulation, fast simulation

CLC Number:

TM 743

YAO Shujun, HAN Mingxiao, WANG Yan,WAN Lei. A Fast Electromagnetic Transient Simulation of Large-Scale Power System[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(12): 16-21.

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