Simulation Modeling for HVDC on Improving the Stability of Weak AC System

Abstract:

Capacitive commutation technology is favorable in improving the stability of weak receiving end ac systems, and our Qinghai-Xizhang HVDC interconnection project is exactly belonging to this kind. In order to study the effect of capacitor commutation technology to ac and dc systems, basing on the Qinghai-Xizhang HVDC interconnection project, the paper focuses on analyzing the building of the HVDC simulation model with capacitor commuted converters (CCC-HVDC model) in PACAD/EMTDC simulation program, and then the optimization selection of commutation capacitance parameter is described. Finally, capacitor commutated converters effect in improving the stability of weak receiving end ac system is simulated and analyzed.

• Periodical: Applied Mechanics and Materials (Volumes 347-350)
• Pages: 1338-1342
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.347-350.1338
• Online since: August 2013
• Authors: Si Yu Zhou, Jun Wen, Wen Jia Cao, Si Zhuo Lv, Wei Yang Yin, Jing Zhou
• Keywords: Capacitor Commutated Converter, Commutation Capacitor, HVDC Transmission, Stability of Weak AC System

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