35kV/±200Mvar transformerless STATCOM based on Cascaded H-Bridge Multilevel converter

• Published in: 2011 International Conference on Electrical Machines and Systems pp. 1 - 4
• Main Authors: Kuang Li, Haitao Zhang, Ziyong Guo, Wei Shi, Postiglione, G., Borghetti, G., Torre, G., Bordignon, P.
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01-08-2011
• Subjects: 35kV/200Mvar; Automatic voltage control; Cascaded; Circuit faults; converter; H-Bridge multilevel; Insulated gate bipolar transistors; Inverters; STATCOM; Static VAr compensators; Topology; Transformerless
• ISBN: 9781457710445; 1457710447
• DOI: 10.1109/ICEMS.2011.6073950

Deregulation and liberalization of international energy market are recently increasing the demand, in transmission and distribution networks, for more efficient solutions for Power Management and better Power Quality. Fast and reliable VAr control systems, such as STATCOMs, enhance the dynamic stability of power networks. Rongxin Power Electronic Co (RXPE) developed a transformerless Cascaded H-Bridge Multilevel converter, to be directly connected to 35 kV grid. After an overview of STATCOM topologies and semiconductor devices (section I and II), Some test results in factory is introduced.