YANG Linchao,YING Chaonan,XU Zheng,et al.Rapid RTDS modeling method of large-scale AC/DC hybrid power grid[J].Electric Power Automation Equipment,2019,39(09):192-198.
YANG Linchao,YING Chaonan,XU Zheng,et al.Rapid RTDS modeling method of large-scale AC/DC hybrid power grid[J].Electric Power Automation Equipment,2019,39(09):192-198.DOI: 10.16081/j.epae.201909052.
Rapid RTDS modeling method of large-scale AC/DC hybrid power grid
In order to improve the efficiency of modeling large-scale AC/DC systems in RTDS(Real Time Digital Simulator),a set of method for converting various commonly used electromechanical transient data files into RTDS models is proposed. The model correspondence of key components is compared,the existing problems in PSS/E-RSCAD data conversion are analyzed,and the key technologies of modeling large-scale AC/DC system in RTDS are introduced in detail from the following aspects:abstract modeling of power system,dynamic equivalence,data preprocessing and data conversion. A set of data transplantation software from the commonly used electromechanical transient software to RTDS is developed and success-fully applied to the rapid RTDS modeling of Zhejiang Power Grid. Simulative results under symmetrical faults show that the steady-state and transient characteristics of the system are consistent before and after the conversion, which verifies the validity of the proposed rapid RTDS modeling method.
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