An Application Seven-Level Converter for VSC-HVDC Station System

Abstract:

This paper presents an application of an asynchronous back to back VSC-HVDC system. Which uses multilevel converter a 7-level Diode-Clamped SPWM converters topology technique for the realization of HVDC system, rated 300MVA (±300 kV). The controller has been proposed by using PQ control and feed-forward decoupled current control algorithm. The design and experimentally controllers of VSC in lab scaled test, MATLAB/Simulink program were performed VSC-HVDC transmission system, the simulation in order to evaluate transient performance, can be controlled independently under two phase to ground faulted and three phase to ground faulted conditions. The system are used as a guideline for analysing and design of the data process control with the PQ-control HVDC system.

• Periodical: Applied Mechanics and Materials (Volumes 799-800)
• Pages: 1211-1216
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.799-800.1211
• Online since: October 2015
• Authors: Narin Watanakul*
• Keywords: Diode-Clamped SPWM Converters, Multilevel Converter (MC), Phase Level Shift, PQ Control, Voltage Direct Current (HVDC), Voltage Source Converter (VSC)

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