Model Development of HVDC Control System for Real Time Digital Simulation

The planning, design and operation of HVDC transmission systems require the detailed studies of various options and predictions of the system performance. Real time digital simulation (RTDS) could provide most vivid approach for the studies. Consequently, a tractable HVDC control model is required in the RTDS simulation platform. To implement the similar controls on the RTDS as on practical system, the configuration of control model must comprises major sections of practical controls. These sections are first made from functional blocks of RTDS control component library, and then integrated into a set of control model like the physical duplicate set. This paper presents our modeling effort including main section designs such as converter firing control (CFC) and pole power control (PPC). In this paper, final verification of each section has been done with a typical plusmn500 kV power system model. The system response to the developed control model is compared with that of contemplated results.