Abstract
This paper presents a RTDS model applied to simulate periodic commutation impulse voltage of HVDC convent valve. The model’s main configure and basic parameters are matching to a typical monopole system which include 12-pulse converters of rectifier and inverter, convert-transformers, DC transmission line, DC filters and AC equivalent power network. Among the system model, the valve components of rectifier are User-Define-Component (UDC) model with RC branch for describing detail valve internal. And also, discrete time step apply 2.5μS non real-time of RTDS for complying with high frequency transient. The validation test is carried out and the result show that the model can simulate accurately valve voltage waveform.
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